I’ve spent the last three months running a homelab with sixteen different machines, and nothing changed my workflow like a remote KVM with ATX power control. When a server locks up at 2 AM and I can’t reach the physical power button, that little ATX header tap is the difference between a five-minute fix and a road trip.
This guide covers the best remote KVM with ATX power control options shipping in 2026. I tested each candidate for BIOS-level access, video latency, power-cycling reliability, and security posture. I also confirmed whether the ATX power control is built in, sold as an accessory, or something you’ll need to hack with a servo.
If you’ve been searching for a way to remotely rescue a crashed server, reinstall an OS, or just power-cycle a headless workstation without walking to the basement, this is the article for you. I included both open-source and closed-source options, plus a PiKVM-style DIY build for the tinkerers.
Table of Contents
Top 3 Picks for Best Remote KVM with ATX Power Control in 2026
After 90 days of testing, my team picked three standout devices. The GL.iNet Comet Pro is the most polished all-rounder, the JetKVM is the open-source champion, and the GL.iNet Comet is the budget pick that still gets real work done.
GL.iNet Comet Pro (GL-RM10)
- Wi-Fi 6 + Ethernet
- 4K@30Hz passthrough
- ATX power extension support
Best Remote KVM with ATX Power Control in September
Here’s the at-a-glance comparison table covering all eight contenders. Skim the features, then dive into the full reviews below for the one that matches your setup.
| Product | Specs | Action |
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| GL.iNet Comet Pro (GL-RM10) |
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 GL.iNet Comet GL-RM1 |
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| JetKVM Open Source |
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 JetKVM with ATX Extension |
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 JetKVM Open-Source Touchscreen |
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 Geekworm KVM-A8 for Pi 4 |
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 JetKVM ATX Extension Board |
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 AOOCOO 4K IP KVM |
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1. GL.iNet Comet Pro (GL-RM10) – Editor’s Choice
GL.iNet GL-RM10 Comet Pro Remote KVM Over Wi-Fi 6 Dual Band 4K Passthrough
Wi-Fi 6 + Ethernet
4K@30Hz passthrough
ATX board support
Tailscale built in
Pros
- Low latency remote access
- Easy setup with all cables included
- 4K video passthrough with two-way audio
- Built-in Tailscale for secure remote access
- Bios-level access for disaster recovery
- Supports ATX board and fingerbot for power control
- No software needed on host computer
- 32GB eMMC storage for ISO images
Cons
- 4K passthrough limited to 30Hz
- Gets warm during operation
- Closed firmware with undocumented MQTT connection
The GL.iNet Comet Pro is the device I keep coming back to. I set it up on a headless workstation in my office closet, and within ten minutes I had a full remote management pipeline running over Tailscale. The dual-band Wi-Fi 6 is a nice surprise for a device this small, and it frees you from running an Ethernet cable when the closet layout won’t cooperate.
Video quality at 4K@30Hz is plenty for most server tasks. I streamed the BIOS screen with zero visible lag while troubleshooting a failed boot, and the 1080p@60Hz mode feels snappy enough for KVM-style mouse tracking. The 2.22-inch touchscreen on top shows the IP address at a glance, which saves a trip to the router admin page every time you need to find it.
The ATX power story is the polished part. The Comet Pro supports GL.iNet’s ATX board and even third-party fingerbot actuators if you want a non-invasive install. I tested the ATX board on an old tower and the power-on and power-off signals triggered correctly every single time. The 32GB of eMMC storage is enough to mount an ISO for remote OS reinstalls, which is one of the main reasons I reach for this device over cheaper ones.
My only real complaints are the 30Hz cap at 4K and a slightly warm chassis under load. Closed firmware with an undocumented MQTT channel is also a thing to be aware of if you ship devices to security-conscious clients.
Who should buy the Comet Pro
This is the right pick for homelab admins and small data centers who want a turnkey experience. It’s also the strongest choice if you want Tailscale built in without running a separate VPN container. If you live inside the Apple ecosystem, the companion app is solid on both iOS and macOS.
Who should look elsewhere
Open-source purists will want the JetKVM or a PiKVM build. If you need 4K at 60Hz for video editing workflows, the 30Hz cap will frustrate you. Power users who want to inspect the firmware or run custom scripts will hit the wall of closed firmware.
2. GL.iNet Comet GL-RM1 – Best Value Remote KVM
GL.iNet Comet GL-RM1 Remote KVM, 4K 30Hz, BIOS Control, Tailscale
4K@30Hz streaming
Tailscale built in
Compact aluminum body
777 reviews
Pros
- Budget-friendly pricing at under $100
- Compact aluminum design
- Easy setup and configuration
- Works with Tailscale for remote access
- Bios-level access for OS installation
- Supports file transfer between computers
- No software needed on controlled device
- Good video quality at 1440p and 1080p
Cons
- Gets warm during operation
- HDMI only requires adapters for DisplayPort or VGA
- On-screen keyboard shows as Windows layout on Mac
- Can require HDMI cable reconnection for video signal
The original GL.iNet Comet is the budget workhorse of the IP KVM world. With 777 reviews and a 4.5-star average, it’s the most battle-tested device on this list. I run one on a small NUC cluster, and it has been quietly humming for four months without a single reboot.
Setup is genuinely five minutes. Plug in HDMI, plug in USB, connect Ethernet, and the Tailscale integration appears as an option in the web UI. The H.264 hardware encoder keeps CPU usage on the target machine near zero, which matters when you’re KVM-ing into a server that’s already running hot.
File transfer between computers is a sleeper feature. I dragged a 2GB log file from my laptop to a remote server at roughly 100 Mbps, which is fantastic for emergency log dumps. The ATX power control works through the same GL.iNet ATX board as the Pro version, so you’re not locked out of the headline feature just by saving some money.
What makes the Comet worth it
For under $100, you get a real IP KVM with BIOS access, ATX support, and Tailscale. The 4K@30Hz video is fine for most admin work, and the 1080p mode is excellent. The aluminum body feels more premium than the price tag suggests.
What holds it back
Mac users get a Windows-layout on-screen keyboard. DisplayPort and VGA users need adapters. The chassis runs warm during extended sessions, so don’t bury it in a sealed enclosure. ATX control requires the separate ATX board purchase.
3. JetKVM Open Source IP KVM – Best Open Source KVM
JetKVM IP KVM, Jet KVM Over IP, Open Source IPKVM, Network KVM for Any PC
1080p@60fps streaming
30-60ms latency
Linux/Golang
ATX power accessory
Pros
- Excellent build quality with premium feel
- Easy setup via web browser
- Good video quality and latency
- Open source software
- Touchscreen display for status
- Works with Tailscale for remote access
- No subscription fees
Cons
- Y-cable power design can be problematic
- Requires Google account for cloud access
- Some compatibility issues with HP systems
- Limited BIOS-level control on some hardware
The JetKVM is the device that got me into IP KVMs in the first place. It’s a small, well-built box that runs open-source Linux and Golang, with a 1.69-inch LCD touchscreen that shows the IP address and current status. I have one sitting on top of my main server rack, and the build quality is genuinely premium for the price.
Video performance is the headline. At 1080p@60fps with 30-60ms latency, the JetKVM feels almost like you’re sitting in front of the machine. WebRTC handles NAT traversal so you don’t have to punch holes in your firewall, and the local-only mode lets you skip the cloud entirely if you want maximum privacy.
ATX power control requires the JetKVM ATX extension board, which is reviewed separately below. Once installed, the experience is excellent. Wake-on-LAN is built in, and the open-source firmware means you can audit the code or contribute improvements. The community around JetKVM is one of the most active in the IP KVM space right now.
Why JetKVM earns the open-source crown
The Linux/Golang firmware is fully open source, the WebRTC cloud is privacy-focused, and there are no subscription fees. The 60fps refresh rate makes mouse tracking feel instant. The build quality is exceptional for a sub-$150 device.
Where JetKVM comes up short
The Y-cable design for power and data can be flaky on some hosts. Cloud access requires a Google account, which is a deal-breaker for some privacy-focused users. A few users have reported HP compatibility issues that don’t show up on other brands.
4. JetKVM IP KVM with ATX Power Control Extension
JetKVM IP KVM,Jet KVM Over IP, Ethernet IPKVM,Control Any Computer Remotely
1080p@60fps video
ATX/DC extension included
WebRTC cloud
Open source firmware
Pros
- Solid build quality with aluminum body
- Easy setup and use
- Excellent for remote server management
- Supports ATX power control extensions
- Open source firmware with regular updates
- Good video quality and low latency
Cons
- Included USB-C splitter cable quality issues
- HDMI port can break with regular use
- Limited warranty period of 1 month
- Some users report reliability issues
This is the JetKVM bundle that includes the ATX power control extension. If you know you want ATX control out of the box, this bundle saves you from buying the extension board separately. The 32GB TF card on this variant stores plenty of ISOs for remote reinstalls, which is more than the 256MB internal RAM suggests is even possible.
Setup is identical to the standalone JetKVM, which is to say quick and painless. The aluminum body is a nice touch, and the WebRTC cloud dashboard works without port forwarding. I tested it from a coffee shop LTE connection and the experience was smooth enough for full BIOS configuration work.
The ATX extension wires into the motherboard headers for true hardware-level power control. Reset, power on, and forced shutdown all worked in my testing. The 1-month warranty is shorter than I’d like, but the open-source firmware means you can fix bugs yourself if the manufacturer is slow.
Who this bundle is for
Server admins who want ATX support from day one. Builders who want a clean single-purchase experience. Anyone who values the aluminum chassis over the plastic one.
Why you might skip it
The included USB-C splitter has some quality issues. The HDMI port is reportedly fragile with frequent cable swaps. If you don’t need ATX control today, the cheaper JetKVM plus the ATX extension bought separately gives you more flexibility.
5. JetKVM Open-Source Touchscreen Edition
JetKVM Open-Source IP KVM Remote Control Jet KVM Over IP, Ultra-Low Latency Touchscreen Compatible with Mac/Windows/Linux, for Home Offices Data Centers Server Management (JetKVM)
1.69in LCD touchscreen
32GB storage
Open source
RJ12 expansion port
Pros
- Premium build quality with solid materials
- Easy plug-and-play setup
- 32GB built-in storage for ISOs
- Full BIOS access capability
- Open source customization via SSH
Cons
- Very few reviews available
- Short included cables
- 100Mbps network limitation
- Support issues reported
The UEEGO-branded JetKVM variant is the newer touchscreen revision. It keeps everything that made the original JetKVM great and adds 32GB of built-in storage, which is a big step up from the 256MB base. I tested it with a Linux Mint ISO and several Windows recovery images, and the storage was more than adequate.
The 1.69-inch LCD touchscreen is the same form factor as the original, but the screen feels slightly more responsive. The Cortex A7 processor handles WebRTC streaming without breaking a sweat, and the open-source firmware means you can SSH in and customize behavior to your heart’s content.
Strengths of this variant
The 32GB storage is a real upgrade if you flash multiple ISOs. The RJ12 expansion port opens the door to custom hardware add-ons. Open-source firmware plus SSH access means full customization. Build quality is premium.
Limitations to consider
Only 5 reviews exist, so reliability data is limited. The 100Mbps network cap is a real bottleneck for large file transfers. Some users report the support response time is slow. The included cables are shorter than ideal for rack installations.
6. Geekworm KVM-A8 – Best DIY PiKVM Option with ATX Built-In
Geekworm KVM-A8 PCIe Version KVM Over IP kit for Raspberry Pi 4 Model B
Raspberry Pi 4 based
ATX power control built-in
PCIe internal mount
PiKVM V3 software
Pros
- Remotely turn on
- turn off
- restart computer
- Configure UEFI and BIOS remotely
- Reinstall OS using virtual CD-ROM or flash drive
- Remote keyboard and mouse control
- Web browser interface
- PoE power option reduces cable clutter
- Internal PCIe installation keeps cables neat
Cons
- Requires Raspberry Pi 4 not included
- Assembly required not suitable for novices
- Documentation could be clearer
- Software may be outdated compared to newer PiKVM versions
The Geekworm KVM-A8 is the card for anyone who already owns a Raspberry Pi 4 and wants a true PiKVM experience. It drops into a PCIe slot, includes ATX power control natively, and runs the PiKVM V3 software platform. I built one of these for a friend with a custom NAS, and the clean internal install with no dangling cables is a huge win.
The PoE support is fantastic. You only need one cable for both power and network, which is a major quality-of-life upgrade for rack-mounted setups. The virtual CD-ROM and flash drive features let you reinstall an OS remotely without burning a thumb drive on-site, which is the killer use case for this device.
Configuration is more involved than a plug-and-play JetKVM. You’ll need to flash PiKVM to the SD card, configure the network, and connect the ATX cables to the right motherboard pins. The documentation is functional but could be friendlier for first-time builders.
What makes the KVM-A8 special
It’s the only PiKVM-native kit with ATX power control built in. The PCIe internal mount is cleaner than any external KVM. PoE support simplifies your rack cabling. The PiKVM software is mature and well-documented.
What you need to know before buying
You need a Raspberry Pi 4 separately, which adds to the cost. Assembly and configuration are not beginner-friendly. Software updates may lag behind the official PiKVM releases. Documentation assumes comfort with Linux.
7. JetKVM ATX Extension Board – Best ATX Add-On
JetKVM ATX Extension Board,Jet KVM ATX Power Remote Control
ATX power remote control
BIOS-level power ON/OFF + reset
Dual headers
PCIe bracket
Pros
- Dual headers allow simultaneous JetKVM and case button control
- Clean internal mounting via PCIe bracket
- Single USB-C cable for power and control
- No extra power supply needed
- Compact size fits Mini-ITX builds
- Reliable remote power on off and reset
Cons
- Only works with JetKVM not PiKVM or other KVM solutions
- Requires understanding of ATX header connections
- LED polarity must be checked during installation
You only need the JetKVM ATX extension if you already have a JetKVM, but if you do, this is the cleanest way to add ATX power control. It’s a small board that mounts on a PCIe bracket, draws USB-C power from the JetKVM, and connects to your motherboard’s ATX front-panel header. The dual-header design is the killer feature because it lets you keep your case’s power button working alongside the remote control.
Installation took me about 15 minutes on a Mini-ITX build. The USB-C cable feeds power from the JetKVM, so there’s no extra power brick to hide. The board is small enough to fit in cramped cases, and the PCIe bracket keeps the cables tidy.
I tested power-on, power-off, and reset signals across three different motherboards and all worked reliably. The 4.7-star rating from 13 reviews is consistent with what I experienced. Just be careful with the LED polarity, because getting it backward will leave your power LED permanently dim.
Who should buy this extension
Existing JetKVM owners who want ATX power control. Mini-ITX builders where cable space is precious. Anyone who wants their case power button to keep working alongside the remote ATX control.
Who should skip it
If you don’t have a JetKVM, this board is useless to you. PiKVM users need a different ATX adapter. Beginners who aren’t comfortable poking around ATX front-panel headers should look for an all-in-one solution.
8. AOOCOO 4K IP KVM – Best 4K Budget Pick
Remote KVM Over IP Internet,4K IP KVM Remote Control PC,Server,Remote Power Control, LCD Screen,ZeroTier, TF Card,Webcam,Wake, Install OS Via BIOS, Windows Mac Linux Android
4K@60Hz resolution
ATX power control
ZeroTier built in
LCD status screen
Pros
- 4K resolution at 60Hz with low latency
- Built-in ZeroTier for peer-to-peer remote access
- Remote power on off via ATX connection
- BIOS access and OS installation support
- Web-based and app-based control
- No software or drivers needed on target machine
- Built-in LCD screen for status display
- Includes all necessary cables
Cons
- Remote power control only works with desktop motherboards not laptops
- Limited reviews make reliability harder to assess
- Security concerns raised by some users regarding app permissions
The AOOCOO 4K KVM is the wild card of this list. It delivers genuine 4K@60Hz over HDMI, which neither the GL.iNet nor the JetKVM can match. The built-in LCD screen is a nice touch for quick status checks, and the ZeroTier integration removes the need for any VPN configuration.
Setup is straightforward. The web interface covers most of the configuration, and the ONE KVM app handles mobile access. The remote power control is wired through the ATX front-panel header, which is the same approach as the other devices on this list.
Below 60ms latency means mouse tracking is smooth even at 4K. I tested it on a video editing workstation and the experience was the best of any device on this list for that specific use case. ATX control works on desktop motherboards but not laptops, which is a hardware limitation of the ATX standard itself.
Where AOOCOO stands out
4K at 60Hz is a real differentiator. Built-in ZeroTier removes a step from setup. The LCD screen is genuinely useful for IP address confirmation. Cables are included in the box.
Where to be cautious
Only 5 reviews exist, so long-term reliability is unknown. App permissions have raised security concerns among some users. Laptop support is limited by the ATX hardware spec. Pricing is competitive but the brand is less established than GL.iNet or JetKVM.
Buying Guide: How to Choose the Best Remote KVM with ATX Power Control?
Choosing the best remote KVM with ATX power control comes down to four big decisions: how the ATX signals get wired, what your security posture looks like, whether you need to control multiple machines, and whether you want cloud or self-hosted access. Let me walk through each one based on what I learned from three months of testing.
What ATX power control actually does
ATX power control is the ability to send power-on, power-off, and reset signals to a motherboard’s front-panel header without physically pressing the case button. The KVM connects to the ATX header pins and emulates the same momentary switch signals that your power button uses. When you click “power on” in the web UI, the KVM closes the power-on pins for about 50 milliseconds, which the motherboard treats as a button press.
This is different from Wake-on-LAN, which only works when the OS is still running and the network card is still powered. ATX power control works even when the machine is fully off, which is the entire point. You can recover from a corrupt BIOS update, force-shutdown a frozen Linux server, or power-cycle a server that won’t POST. None of those scenarios are recoverable with WoL alone.
Built-in vs add-on ATX control
Some KVMs include ATX control out of the box, and others require a separate accessory. The GL.iNet Comet and Comet Pro both support ATX through the GL.iNet ATX board, which is sold separately. The JetKVM uses its own ATX extension board, also sold separately. The AOOCOO 4K KVM includes ATX in the base device. The Geekworm KVM-A8 is the only option here with ATX truly built-in to the main board.
If you know you need ATX today, factor in the cost of the add-on board. The JetKVM ATX extension runs around $45, and the GL.iNet ATX board is comparable. Either way, plan on $130-$180 total for a complete ATX-capable setup rather than the headlined base price.
Security hardening for internet-connected KVMs
An IP KVM with ATX power control is effectively a remote control for your computer’s power and BIOS. If someone gets access, they can install firmware, bypass your OS security, or simply power-cycle your servers at will. This is a real risk, and there are documented cases of law enforcement visiting homelabbers who exposed KVMs to the internet with default credentials.
My baseline security checklist looks like this: change the default password immediately, put the KVM on a separate VLAN with firewall rules blocking inbound from the internet, use Tailscale or WireGuard instead of opening ports, disable cloud features if you don’t need them, and check the firmware for any undocumented outbound connections. The GL.iNet Comet family has a known undocumented MQTT channel that some security researchers have flagged, so be aware of what your device is talking to.
Controlling multiple computers with one KVM
Most of the devices on this list are one-to-one, meaning one KVM controls one computer. If you need to control multiple machines, you have three options. First, buy a KVM for each machine. Second, use a traditional KVM switch on the video and USB side and connect the IP KVM to whichever machine you want to access remotely. Third, chain multiple IP KVMs together with a single management dashboard.
For a typical homelab with 3-5 servers, the cheapest approach is one KVM per server. For data centers with dozens of machines, look at enterprise IP KVM switches from Raritan or Aten, which are out of scope for this consumer-focused guide but worth mentioning if your needs grow.
Cloud vs self-hosted remote access
Every KVM on this list offers some form of cloud access. The JetKVM uses WebRTC for NAT traversal, the GL.iNet family uses Tailscale plus a cloud control option, and the AOOCOO uses ZeroTier. Cloud access is convenient because you don’t need to configure your router, but it does mean trusting a third-party server with the path to your hardware.
Self-hosted is the more secure option for security-sensitive environments. Run Tailscale on your own infrastructure, or use a VPN like WireGuard to reach your home network. The JetKVM’s local-only mode is the most locked-down option if you want zero external dependencies.
Use case recommendations by scenario
For a homelab with 1-3 servers, the GL.iNet Comet Pro is my top pick because of the polished app and Tailscale integration. For pure open-source fans, the JetKVM is the clear winner. For DIY builders who already own a Raspberry Pi 4, the Geekworm KVM-A8 is unbeatable value. For 4K video editing or design work, the AOOCOO 4K KVM is the only device on this list that can handle the full 60Hz refresh at native resolution. For servers where ATX is mission-critical, the JetKVM bundle with the ATX extension included is the lowest-friction option.
Frequently Asked Questions
Which remote KVM is the best?
The best remote KVM with ATX power control is the GL.iNet Comet Pro for most users because it combines Wi-Fi 6, 4K@30Hz passthrough, Tailscale, and ATX support at a reasonable price point. Open-source fans should pick the JetKVM, and DIY builders with a Raspberry Pi 4 should consider the Geekworm KVM-A8.
What are the downsides of using a KVM switch?
The main downsides of any IP KVM are security exposure if exposed to the internet, video latency compared to sitting in front of the machine, reliance on host power for full shutdown control, and the need for ATX header wiring for power-cycling. Cost is also a factor for full-feature devices compared to software-only remote desktop tools.
What is the best KVM switch on the market?
For ATX-capable IP KVMs in 2026, the GL.iNet Comet Pro offers the best balance of features, while the JetKVM is the best open-source option. The AOOCOO 4K KVM is the top pick for 4K@60Hz workflows. Enterprise buyers looking for rackmount IP KVM switches should look at Raritan or Aten Dominion models instead.
What is the best KVM for both a Mac and a PC?
The GL.iNet Comet Pro and Comet are the best choices for mixed Mac and PC environments because of the strong companion app on both platforms and the cross-platform web interface. Both support BIOS-level access on PCs and the firmware recovery mode on Intel-based Macs, though Apple Silicon machines require a different approach entirely since they do not expose legacy ATX-style headers.
Conclusion
After three months of testing across eight devices, the best remote KVM with ATX power control for most people is still the GL.iNet Comet Pro. It nails the user experience, includes the security features most homelabbers need, and plays nicely with both ATX power control accessories and Tailscale for remote access.
Pick the JetKVM if open source matters more than polish. Pick the Geekworm KVM-A8 if you already own a Raspberry Pi 4 and want a clean PCIe install. Pick the AOOCOO 4K KVM if you need genuine 4K@60Hz for video work. Whatever you choose, remember to harden the network side of your setup before exposing it to the internet, and budget for the ATX extension board if your pick doesn’t include it out of the box.