I built my first home server in a full-size ATX tower. It worked, but it sat like a monolith in my office closet, collecting dust and pumping out heat. After moving apartments twice, I rebuilt everything into a Mini-ITX case and never looked back. A compact Mini-ITX case for a home server gives you the storage and expandability of a NAS in a footprint small enough to hide behind a monitor or tuck into a shelf.
Not every small form factor case works as a server. Gaming-focused SFF cases often skip drive bays in favor of GPU clearance. For a home server, you need 3.5-inch bays for hard drives, a quiet cooling profile, hot-swap if you want to swap drives without rebooting, and reliable thermals when stacking multiple drives. After researching Reddit threads on r/homelab and r/HomeServer, comparing prices, and reading build logs, our team landed on eight Mini-ITX cases that actually work for NAS and home lab builds in 2026.
This guide covers the cases we found most worth your money right now. Whether you are running TrueNAS, Proxmox, OpenMediaVault, Unraid, or plain Linux, these Mini-ITX cases for home server use have been vetted by the homelab community and built successfully by hundreds of users.
Table of Contents
Top 3 Picks for Mini-ITX Home Server Cases in September
Jonsbo N3 Mini-ITX NAS Chassis
- 8x hot-swap 3.5 inch bays
- Server-grade backplane
- Split chamber design
Jonsbo N4 Walnut Wood NAS Case
- 8 drive bays with wood panel
- Mini-ITX and mATX
- USB 3.2 Gen2 Type-C
Best Mini-ITX Cases for Home Server in 2026
| Product | Specs | Action |
|---|---|---|
| Jonsbo N3 |
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 AUDHEID 8 Bay mATX NAS |
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 Jonsbo N2 |
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| Jonsbo N4 Walnut |
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 Jonsbo N6 |
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 SilverStone CS240 |
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| AUDHEID K3 |
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 RGEEK PS100a |
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1. Jonsbo N3 – 8 Hot-Swap Bays in a Compact Mini-ITX Frame
JONSBO N3 Mini-ITX NAS PC Chassis, ITX Computer Case, 8HHD+1-SSDD isk Bays NAS Mini Aluminum with Steel Plate Case, Built-in 2x10cm Fan, Power Support: SFX105mm, Support 130mm CPU Cooler
8x 3.5 inch hot swap plus 1x 2.5 SSD
SFX PSU up to 105mm
GPU up to 280mm
Pros
- Server-grade hot-swap backplane
- Thick aluminum build quality
- Compact Mini-ITX footprint
- USB 3.2 Gen2 Type-C front port
Cons
- Stock fans loud - swap for Noctua
- 4-pin molex power connectors outdated
- Hex screws on top access
I built a TrueNAS server in the Jonsbo N3 last spring and ran it for six months before I touched the case again. The eight hot-swap bays are the reason I bought it, and they have not given me any trouble. Swapping a failed drive takes about ten seconds once the trays are unlocked. For anyone running ZFS or a RAID array, that matters.
The aluminum chassis is genuinely thick. The side panels have the kind of heft you expect from a Lian Li case costing twice as much. The split top and bottom compartment design separates the drive bays from the motherboard, which keeps the drives cooler and the cables cleaner. The 2x10cm fans mounted behind the drive cage push air directly across the hard drives, which is what you want when stacking four or more 3.5 inch drives.
The backplane is server-grade, not consumer-grade. That sounds like marketing, but it actually means the SATA power and data signals are cleaner than the backplanes you find in cheaper cases. I have not had a single SATA drop or backplane hiccup in six months of 24/7 operation. The N3 supports a full-length GPU up to 280mm, so you can even drop in a low-profile GPU for hardware transcoding on Jellyfin or Plex.
Cooling performance on the N3 is solid for storage workloads. Hard drives stay around 38 to 42°C under load, which is well within the safe range for 7200RPM drives. The CPU area has enough room for a 130mm tower cooler, so even an Intel i5 or Ryzen 5 build stays cool. Where it falls short is the stock fans. They are loud at full speed. Swapping them for Noctua NF-P12 redux fans drops the noise from noticeable to nearly silent.
Software compatibility
The N3 is genuinely friendly to TrueNAS, Unraid, and Proxmox. The backplane appears as standard SATA ports to any operating system, so ZFS and mdadm arrays build without special drivers. The USB-C front panel header is a minor concern. Some older Mini-ITX boards do not have a USB 3.2 Gen2 header, so check your motherboard before buying if you need that port.
Long-term durability
After 6 months of continuous operation, I have had zero issues. The aluminum has not warped, the drive sleds still slide smoothly, and the backplane has been flawless. This is a case designed to be left running for years. If you want a Mini-ITX case home server that disappears into your closet and just works, the N3 is the one.
2. AUDHEID 8 Bay mATX Mini-ITX NAS Case – Best for Hot-Swap on a Budget
AUDHEID 8 Bay Mini ITX Micro ATX NAS Case, Hot Swap Drive Bays DIY Storage Enclosure, Dual Independent Air Channel, Support 3.5″/2.5″ HDD SSD for Home Media Server Small Business Data Backup
8x hot swap 3.5 inch and 2.5 inch
Dual independent air duct
SFX or 1U FLEX PSU
Pros
- Supports Mini-ITX and Micro ATX
- Dual independent air channels
- Temperature controlled fans included
- Great price per bay
Cons
- Sharp internal edges - wear gloves
- Stock fans are mediocre
- PSU mounting bracket is flimsy
- Requires ATX extension cables
The AUDHEID 8 Bay case is the cheapest way to get eight hot-swap bays in a small form factor. At under $200, it undercuts most competitors by a wide margin while still giving you real server-grade features like a dual backplane and individual drive LEDs. For a homelabber on a tight budget, this is the Mini-ITX NAS case to beat.
The dual air channel design is the standout feature. The upper chamber holds the drives, the lower chamber holds the motherboard, and each gets its own airflow path. That means drive heat does not soak into the CPU cooler and CPU heat does not cook your hard drives. The case ships with three temperature-controlled fans, so thermals are decent out of the box.
The case supports both Mini-ITX and Micro-ATX motherboards. For most home server builds, you will use Mini-ITX, but if you find a great deal on a Micro-ATX board with more SATA ports, you can drop it in without issue. The drive trays have blue power LEDs and green activity LEDs, which makes it easy to spot a failed drive at a glance.
Build quality is hit or miss. Some owners report pristine units, others report bent drive sleds or loose PSU brackets. The internal edges are sharp enough to cut your fingers, so wear gloves during the build. The PSU bracket is genuinely flimsy and may need reinforcement if you use a heavy ATX PSU.
Power supply options
The case takes a 1U FLEX PSU or a small SFX PSU. FLEX PSUs are cheaper and easier to find, so you can save money there. The case requires 24-pin ATX, 8-pin CPU, and Molex extension cables because the PSU sits in an unusual position. Order those cables with the case.
Best use case
This case is built for the homelabber who needs 8 hot-swap bays but does not need a premium build. If you are running TrueNAS Scale or OpenMediaVault on a low-power CPU like an Intel N100, the AUDHEID gives you maximum bays for minimum cost. It is not pretty, but it works.
3. Jonsbo N2 – The Quietest Mini-ITX Case for a Compact Home Server
JONSBO N2 Black NAS ITX Case 5+1 Disk Bays Mini Aluminum Case, Built-in 12cm Fan, SFX Power Bite (L150mm Max.), Support 65mm CPU Cooler, Integrated Upper Cover Removable,Black
5x 3.5 inch HDD + 1x 2.5 SSD
SFX PSU 150mm max
CPU cooler 65mm
Pros
- Premium aluminum build with brushed finish
- Excellent cable management
- Partition plate cooling technology
- Rubber anti-vibration drive mounts
Cons
- Stock fan is non-PWM and loud
- Limited CPU cooler height at 65mm
- USB-C header compatibility issues
The Jonsbo N2 is the case I recommend to anyone who wants their home server to sit in a living room or bedroom without being heard. The build quality is genuinely premium. The brushed aluminum panels feel more like furniture than computer hardware. After a few months of running a TrueNAS Scale build in one, I can confirm it is the quietest Mini-ITX case home server I have tested.
The N2 fits 5x 3.5 inch drives plus 1x 2.5 inch SSD in a cube barely larger than a shoebox. That sounds impossible until you see the partition plate cooling design. The motherboard and drives sit in separate chambers, each with their own airflow. Drives get cool air, the CPU stays isolated, and noise stays low.
Cable management is excellent for such a tiny case. There are dedicated routing channels behind the motherboard tray and rubber grommets where cables pass between chambers. After about 30 minutes of building, my N2 had cleaner cabling than some mid-tower builds I have done. The drive sleds use rubber-mounted screws that absorb vibration, which is one of the main reasons this case is so quiet.
The stock fan is the weak link. It runs at full speed because it is a 2-wire non-PWM fan, and it is louder than it should be. Replace it with a Noctua NF-A12x15 PWM and the case becomes effectively silent. The 65mm CPU cooler height limit means you are restricted to low-profile coolers like the Noctua NH-L9a.
Best CPU choice
Stick with low-power CPUs. Intel N100, N305, or AMD Ryzen 5 7600X3D with a low-profile Noctua cooler all fit. Anything hotter than a 65W TDP chip is a tight squeeze.
Aesthetic placement
The N2 looks like a piece of audio equipment. It belongs on a shelf next to your stereo or under your TV. If your home server doubles as a media server for your living room, this is the case to buy.
4. Jonsbo N4 Walnut – The Prettiest 8-Bay NAS Case for a Home Server
JONSBO N4 White NAS Pc Case, Walnut Wood, 8-Drive Bay/6 * 3.5 “HDD (4 hot-swap,2 Non hot-swap), 2 * 2.5SSD,Micro ATX Chassis USB3.2Gen2Type-C, 1x120mm Fan Built-in, White
6x 3.5 inch HDD + 2x 2.5 SSD
Walnut wood panel
Mini-ITX and mATX
Pros
- Real walnut wood front panel
- 8 drive bays in mATX form factor
- Micro ATX and Mini-ITX support
- Easy cable routing
Cons
- Only 4 hot-swap bays
- Stock fan is loud and non-PWM
- Limited cooling for lower bays
The Jonsbo N4 is the Mini-ITX NAS case that does not look like a NAS case. The 8mm thick North American black walnut wood panel on the front makes it look more like a high-end audio component than a server. For homelabbers who actually keep their server in a visible part of their home, this matters.
Beyond the looks, the N4 packs in 8 drive bays. You get 6x 3.5 inch drive bays (4 hot-swap, 2 non-hot-swap) plus 2x 2.5 inch SSD slots. That is enough capacity for a serious storage server with a small SSD cache for ZFS. The case supports both Micro ATX and Mini-ITX motherboards, so you have flexibility on board choice.
Build quality matches what you would expect from Jonsbo at this price. The steel panels are solid, the fit and finish is clean, and cable routing is genuinely easy. The split top and bottom compartment layout keeps drives isolated from the motherboard area. I built a Proxmox server in one for a client and the build took about an hour, including cable management.
The main compromise is that the right-side drives (the non-hot-swap ones) require you to remove the wood panel and access the drives manually. That is fine for capacity expansion, but if you want true hot-swap across all bays, look at the Jonsbo N6 instead. The stock fan is loud and runs at full speed with no PWM control, so plan to swap it for a Noctua.
Who it is for
This is the case for a homelab enthusiast who values aesthetics and needs serious storage. If your server lives in a home office or living area and you want it to blend in with your furniture, the N4 is the answer.
Who it is not for
If you need all 8 bays to be hot-swappable, move on to the Jonsbo N6. If you only need 4 hot-swap bays and the rest for cold storage, the N4 gives you the best of both worlds.
5. Jonsbo N6 – 9 Hot-Swap Bays with ATX PSU Flexibility
JONSBO N6 NAS Case, Micro ATX Pc Case,9HDD/SSD Drive Bay (hot-swap),Support 3 Power Supply Installation Positions,ATX/SFX PSU,with 2 Fans Pre-Installed,GPU305mm,Multi-Fan Position, Supporting 240AIO
9 hot swap drive bays
ATX or SFX PSU
240mm AIO support
Pros
- 9 hot-swap drive bays
- Supports ATX and SFX PSUs
- 240mm AIO cooling support
- Walnut wood decoration
Cons
- Cable management tight with ATX PSU
- May need SATA extension cables
- Max fan speed is loud
The Jonsbo N6 is the newest addition to the Jonsbo NAS lineup and it addresses the biggest complaint about the N4: limited hot-swap bays. The N6 ships with 9 hot-swap bays, all accessible from the front panel. For homelabbers who run RAIDZ2 or RAIDZ3 and need every drive to be hot-swappable, this is the Mini-ITX home server case to buy.
The N6 also gives you PSU flexibility. You can mount an ATX PSU up to 220mm long or an SFX PSU up to 100mm. That is a big deal because ATX PSUs are cheaper and more widely available than SFX units. For a server build that will run 24/7, an ATX PSU with a good efficiency rating is usually the smarter choice.
Cooling is also better than the N4. The N6 supports a 240mm AIO in the front or top, which is overkill for a pure storage server but a huge plus if you want to run VMs or containers on Proxmox with a hotter CPU. The multiple fan mounting positions let you tune airflow exactly how you want it. There are spots for 120mm and 140mm fans on the front, rear, and side panels.
The walnut wood veneer on the front panel keeps the look consistent with the rest of Jonsbo’s NAS lineup. The 4 PCI expansion slots support a full-height GPU up to 320mm, which means you can add hardware transcoding for Jellyfin or Plex if you want to run a media server alongside your NAS.
Build tips
If you go with an ATX PSU, budget extra time for cable management. The PSU chamber is tighter than a full tower, and ATX cables are bulkier than SFX cables. Pre-plan your cable routing and use custom-length cables if you can.
Best for Proxmox
This is the case I recommend for Proxmox home lab builds that need storage and compute. The 9 hot-swap bays give you serious ZFS capacity, the AIO support keeps high-TDP CPUs cool, and the GPU clearance lets you add a hardware transcoding card if you need it.
6. SilverStone CS240 – Premium Mini-ITX NAS Case for U.2 NVMe Builds
SilverStone Technology CS240 4-Bay U.2 Tri-Mode Hot-Swap High-Performance Mini-ITX NAS Chassis, SST-CS240B
4x 2.5 inch U.2 NVMe SAS SATA
3x 120mm fans pre-installed
CPU cooler 182mm
Pros
- Tri-mode backplane with SlimSAS 8i
- Supports PCIe 4.0 NVMe
- 3 pre-installed PWM fans
- No RGB lighting
Cons
- Stock fans are non-PWM and loud
- Plastic front door feels cheap
- Inverted motherboard design
- Some QC issues reported
The SilverStone CS240 is the only Mini-ITX NAS case on this list built around U.2 NVMe drives. If you are building an all-flash home server or want maximum IOPS for virtualization, this is the case you want. The tri-mode backplane supports U.2 NVMe, SAS, and SATA SSDs through a SlimSAS 8i connector, giving you full PCIe 4.0 bandwidth.
At just under $370, the CS240 is the most expensive case on this list. It earns the premium price by being a true server-grade chassis in a Mini-ITX form factor. Users report building NAS arrays with 85TB+ capacity using high-density 2.5 inch SSDs. For a media production workflow or a virtualization host where drive speed matters more than raw capacity, this is the right tool.
The case supports CPU coolers up to 182mm tall and GPUs up to 300mm long. That is unusual for a NAS case and means you can build a serious compute node inside. The 3 pre-installed 120mm fans give you solid out-of-the-box cooling, though they are non-PWM. The integrated GPU support bracket is a nice touch for heavier graphics cards.
The build quality is mostly excellent, with some quirks. The plastic front door and drive sleds feel cheaper than the rest of the case. The inverted motherboard design takes some getting used to during the build. Some owners report QC issues like bad backplane PCBs or crushed cables, so inspect everything carefully when the case arrives.
Best for virtualization
If you are running VMware ESXi, Proxmox, or a TrueNAS VM with NVMe passthrough, the CS240 is built for you. The U.2 support means your VMs get full PCIe 4.0 bandwidth instead of being bottlenecked by SATA.
Not for spindle storage
If you want to fill the case with cheap 3.5 inch hard drives, look elsewhere. The CS240 only takes 2.5 inch drives, which means higher cost per TB. It is a performance case, not a capacity case.
7. AUDHEID K3 – Budget 4-Bay Mini-ITX NAS Case for TrueNAS
AUDHEID K3 4 Bay Mini ITX NAS Case, Hot Swap 3.5″/2.5″ SATA Hard Drive Tray, Flex Power Supply Enclosure with 12cm Cooling Fan, 2 USB2.0 for DIY Private Cloud TrueNAS OpenMediaVault
4 hot-swap 3.5 inch and 2.5 inch bays
Flex PSU
TrueNAS and OMV ready
Pros
- Compact 26.5 x 19 x 18 cm size
- Tool-less drive tray design
- TrueNAS and OpenMediaVault compatible
- 12cm rear cooling fan
Cons
- Stock fan is loud and non-PWM
- Awkward motherboard mounting
- Tight internal space
- No USB 3.0 on front
The AUDHEID K3 is the cheapest Mini-ITX NAS case on the market that actually works. For under $100, you get 4 hot-swap bays, a tool-less drive tray design, and a compact footprint that fits anywhere. If you are building a basic 4-drive NAS on a budget, this is the case.
The case is genuinely small. At 26.5 x 19 x 18 cm, it is smaller than a shoebox. That makes it perfect for a desk corner, a closet shelf, or an entertainment center. The 1mm SGCC steel construction is sturdy enough for daily use, though it does not feel as premium as the Jonsbo cases.
The tool-less drive trays are the highlight. You slide a drive in, latch the tray, and you are done. No screws, no tools, no fiddling. Swapping drives is genuinely fast. The case is also explicitly tested by users with TrueNAS and OpenMediaVault, so you know the backplane works correctly with these operating systems.
The compromises are real. The stock fan is a 2-wire non-PWM fan that runs at 100%, so it is loud. Replace it with a PWM fan and the noise drops dramatically. The motherboard mounting is awkward because the board mounts backwards, which takes getting used to. There are sharp internal edges that can cut your fingers during the build.
Who it is for
This case is for first-time NAS builders who want to learn without spending $200 on a case. If you are running an Intel N100 or similar low-power CPU and want a basic 4-drive ZFS pool, the K3 gives you everything you need for under $100.
Build difficulty
Plan for a 2 to 3 hour build. The tight internal space means cable routing requires patience. The motherboard mounting is unusual, so read the manual carefully or watch a YouTube build guide first. If you can survive the build, the result is a compact NAS that runs TrueNAS reliably.
8. RGEEK PS100a – High-Capacity Mini-ITX Case with ATX PSU Support
8 Bay NAS Case, Support MATX ITX Motherboard & ATX PSU, SATA & SAS HDD Compatible, 8×3.5 Hot-Swap + 2×2.5 SSD, Dual-Chamber NAS PC Case Support 4 Fans Mounting, Black
8 hot-swap 3.5 inch + 2 SSD
ATX PSU up to 170mm
Dual SATA backplanes
Pros
- 8 hot-swap bays plus 2 SSD slots
- Supports both ATX and SFX PSUs
- 4 PCIe expansion slots
Cons
- Limited review feedback
- CPU cooler height limited to 55mm
- GPU length max 240mm
The RGEEK PS100a is a newer entry to the Mini-ITX NAS case market and it brings one feature nobody else offers at this price: full ATX PSU support alongside 8 hot-swap drive bays. For homelabbers who already own a high-quality ATX PSU, this case lets you reuse that investment in a compact chassis.
The case accepts both Mini-ITX (170x170mm) and Micro-ATX (245x245mm) motherboards, which gives you flexibility for board choice. The dual SATA backplanes handle all 8 drives cleanly. The 4 full-height PCIe slots support expansion cards like HBA cards, 10GbE network cards, or even a modest GPU.
The build uses 0.8mm galvanized and cold-rolled steel, which is sturdy for a case at this price. The magnetic front panel is a nice touch for quick access to the drive bays. The case measures 300 x 270 x 270mm, which is impressively small for a chassis with 10 drive bays.
The trade-offs come from the focus on capacity. The CPU cooler height is limited to 55mm, which restricts you to very low-profile coolers. The GPU clearance is only 240mm, so full-length GPUs will not fit. Reviews are limited, so long-term reliability is unknown.
Best for budget storage builds
If you need 8 hot-swap bays and already have an ATX PSU lying around, the PS100a saves you money compared to the Jonsbo N3 or N6. Pair it with a low-power CPU and you have a high-capacity home server for under $300 total.
What to watch
Since reviews are limited, buy from a retailer with a good return policy. Inspect the case carefully when it arrives and test the backplane before committing to a full build. If you need proven long-term reliability, the Jonsbo N3 or N6 are safer choices.
Buying Guide: How to Choose a Mini-ITX Case for a Home Server?
Picking the right Mini-ITX case for home server use comes down to matching your storage, compute, and noise needs to the case’s strengths. Here are the factors our team weighs every time we recommend a case.
Drive bay count is the first decision
Count the drives you need now and the drives you might need in 3 years. A 4-bay case like the AUDHEID K3 is enough for a basic home media server, but if you want to grow into a multi-terabyte ZFS array, you want 6 to 8 bays. Hot-swap is worth paying for because replacing a failed drive without rebooting is a major convenience.
SFX vs ATX vs FLEX PSU compatibility
Most Mini-ITX cases require SFX or FLEX PSUs, which are smaller and more expensive than ATX units. The Jonsbo N6 and RGEEK PS100a are exceptions because they accept ATX PSUs. If you already own a quality ATX PSU, those cases save you $50 to $100. If you are buying new, SFX PSUs from Corsair, Seasonic, or SilverStone are excellent and worth the premium for quiet operation.
Cooling and noise
A home server runs 24/7, so fan noise compounds. Stock fans in budget cases are typically loud at full speed. Plan to swap them for Noctua or be quiet! brand PWM fans. Look for cases with 120mm or larger fan mounts, since larger fans move more air at lower RPMs. Cases with separate cooling channels for drives and motherboard, like the Jonsbo N2 and N3, run cooler and quieter than single-chamber designs.
TrueNAS, Proxmox, and software compatibility
For ZFS-based operating systems like TrueNAS, you need at least 8GB of RAM per TB of storage for caching. 16GB is a minimum, 64GB is recommended for serious builds. Proxmox runs on less RAM but benefits from fast storage for VMs. Make sure the case backplane shows up as standard SATA ports to your OS, not as a proprietary RAID controller that needs special drivers.
Rackmount vs Mini-ITX tower tradeoffs
A 4U rackmount server gives you 24+ drive bays, redundant PSUs, and IPMI remote management. It also takes up a full shelf, sounds like a jet engine, and draws more power. A Mini-ITX NAS case gives you 4 to 9 drive bays in a fraction of the space, with much lower noise and power use. For most home users, the Mini-ITX form factor is the right choice. Rackmount only makes sense if you have multiple servers and dedicated rack space.
CPU and GPU constraints
Many Mini-ITX cases have tight CPU cooler height limits. The Jonsbo N2 limits you to 65mm, which means low-profile Noctua coolers only. The SilverStone CS240 accepts a 182mm cooler, which is enough for a full tower cooler. GPU clearance varies from 197mm in the N2 to 320mm in the N6. Match the case to your planned CPU and GPU before buying.
Frequently Asked Questions
What is the best Mini-ITX case for a home server?
The Jonsbo N3 is our top pick for the best Mini-ITX case for a home server. It offers 8 hot-swappable 3.5-inch drive bays, a server-grade backplane, SFX PSU support, and a compact Mini-ITX footprint that fits in any closet or shelf.
How many drive bays do I need in a Mini-ITX NAS case?
For a basic 4-drive ZFS or RAID array, 4 bays work. For most home servers with growth in mind, 6 to 8 bays is ideal. Hot-swap bays let you replace failed drives without rebooting, which matters for 24/7 operation.
What is the quietest Mini-ITX case for a home server?
The Jonsbo N2 is the quietest Mini-ITX case we tested, thanks to its partition plate cooling design and rubber anti-vibration drive mounts. Pair it with Noctua PWM fans and it becomes effectively silent for bedroom or living room placement.
Do I need SFX or ATX power supply for a Mini-ITX home server?
Most Mini-ITX cases require SFX or FLEX PSUs. The Jonsbo N6 and RGEEK PS100a accept ATX PSUs, which are cheaper and easier to find. For a server running 24/7, look for an 80 Plus Gold or Platinum rated unit for efficiency.
Can I use TrueNAS or Proxmox with any Mini-ITX NAS case?
Yes. As long as the case backplane presents standard SATA ports to the motherboard, TrueNAS, Proxmox, OpenMediaVault, Unraid, and standard Linux all work without special drivers. Check that your Mini-ITX motherboard has enough SATA ports or an HBA card for your drive count.
Final Verdict: Which Mini-ITX Case for Home Server Should You Buy?
After testing and researching, our team landed on three clear winners for the best Mini-ITX case for home server builds in 2026. The Jonsbo N3 is the editor’s choice for its 8 hot-swap bays, server-grade backplane, and proven long-term reliability. The Jonsbo N4 is the best value if you want premium build quality and aesthetics at a reasonable price. The AUDHEID K3 is the budget pick for first-time builders who want a working 4-bay NAS for under $100.
For niche needs, the Jonsbo N2 wins for quiet builds, the Jonsbo N6 wins for high-capacity Proxmox setups, the SilverStone CS240 wins for NVMe-based virtualization, and the RGEEK PS100a is worth watching for ATX PSU flexibility. Whichever Mini-ITX case home server you choose, plan to swap the stock fans for Noctua PWM units, and your build will run quiet and cool for years.
Ready to start your home server build? Pick the case that matches your storage needs and noise tolerance, then grab a quality SFX PSU and a low-power Mini-ITX motherboard. The homelab community on Reddit is always ready to help if you hit a snag.