ReviewOct 21, 2026
TinyPilot Voyager 3 Review: Premium Polish, Premium Price
The best-built, best-packaged IP KVM we own. Also the most power-hungry and most expensive, and slower than a PiKVM on the same Raspberry Pi.
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Transmission log
Dispatches.
Reviews and benchmarks from our bench, plus the build journal: how WarpKVM gets made, one decision at a time.
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New dispatches, by email
Reviews, benchmarks, and build journal entries from our bench, sent when a new one goes up.
36 posts
ReviewOct 21, 2026
GL.iNet Comet Pro Teardown: What $180 of IP KVM Looks Like Inside
We opened the most feature-dense budget KVM: the camera-chip lineage, the thermal design that lets 4K@30 run silent, and where the money went.
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ReviewOct 21, 2026
NanoKVM Pro Teardown: Inside the Axera AI-SoC KVM
Sipeed built its 4K KVM on an AI vision chip instead of the usual capture SoC. We opened it to see what that buys, and what corners came with it.
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ReviewOct 21, 2026
GL.iNet Comet (GL-RM1) Teardown: Inside the Base Model
The cheaper base Comet was among the fastest KVMs we tested. We opened it to see how a Rockchip RV1126 and a Lontium bridge keep pace with devices costing four times as much.
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Buying guideOct 21, 2026
Best JetKVM Alternatives in 2026 (Tested)
Seven JetKVM alternatives ranked from hands-on testing: PiKVM, GL.iNet Comet, NanoKVM, TinyPilot, and the niche picks worth knowing.
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ReviewOct 21, 2026
PiKVM V4 Plus Teardown: Inside the Open-Source Flagship
The most powerful IP KVM we own, opened up. A Raspberry Pi CM4, a Toshiba capture bridge, genuine SanDisk storage, and a steel case that doubles as a heatsink.
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ReviewOct 21, 2026
JetKVM Video Quality & Latency Tested: How Good Is WebRTC KVM Really?
We measured the JetKVM's latency on a two-sensor glass-to-glass rig and judged its picture on a real bench. The answer: sharp enough, and quick enough, for exactly what a KVM is for.
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ReviewOct 21, 2026
JetKVM Teardown: What's Inside the Tiny Homelab KVM
We opened the KVM that shook up the homelab. Inside a case smaller than a matchbox is a Rockchip vision chip, a Toshiba capture bridge, and a genuine SanDisk card.
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ReviewOct 21, 2026
Luckfox PicoKVM Review: The JetKVM Clone, Tested
Same silicon, same capture chip, copied software, a third of the price. We benched the clone against the original to see where the $38 price shows up.
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Entry 005Oct 21, 2026
How I started building a KVM
A datacenter full of KVMs, the $6 million Kickstarter that inspired me, five months on the wrong chip, and what I got wrong. The first entry in the WarpKVM build journal.
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ReviewOct 21, 2026
PiKVM Review: The V4 Plus Tested, and the Whole V4 Lineup
The most powerful, most open, and most expensive IP KVM. We measured it, opened it, and ran it for weeks.
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Buying guideOct 21, 2026
Best KVM Over IP Devices for Homelab (2026): Hands-On Roundup
Six IP KVMs tested on one bench: the best value, the feature king, the open-source powerhouse, and the picks per budget.
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ReviewOct 21, 2026
JetKVM Review (2026): Latency Measured, and the Catches
We bought a JetKVM, ran it for three months, and opened it up. Here is what it does well, where it falls short, and what the 2026 hardware revision changes.
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ComparisonOct 21, 2026
IP KVM Power Consumption Compared: Idle, Streaming and Startup Watts
We put a power meter on every IP KVM we own. The spread is roughly 4x, and the most expensive one to run is not the one you would guess.
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ExplainerOct 21, 2026
KVM Over IP: The Complete Guide (2026)
BIOS-level remote control for any machine, from $70 homelab sticks to enterprise racks. How the hardware works, what it costs, and where the category is heading.
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ReviewOct 21, 2026
Sipeed NanoKVM Review: The $50 RISC-V KVM, and the 4K NanoKVM Pro
The cheapest IP KVM on the market, built on RISC-V. We measured all three we own, opened them, and went looking for the microphone.
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ExplainerOct 21, 2026
The IP KVM Capture Chip Database: TC358743 vs Lontium LT6911 vs MS2131
The one chip that decides an IP KVM's resolution ceiling and helps shape its latency, identified for every device we opened.
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ReviewOct 21, 2026
BliKVM v4 Review: The Allwinner PiKVM-Compatible, Tested
PiKVM's software on $155 hardware sounds like a bargain. Then we measured the USB capture chip doing the actual work.
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ReviewOct 21, 2026
GL.iNet Comet and Comet Pro Review: The Feature-Packed IP KVMs
The base Comet tied for the fastest third-party KVM we tested at 1080p60. The Pro packs 4K, Wi-Fi, and a fingerbot. We measured and opened both.
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ExplainerOct 21, 2026
How We Test IP KVMs: Our Rig, Protocol, and Data
Every number in our reviews comes from one bench, one method, applied identically to every device. Here is the whole rig and protocol, so you can trust the data.
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ExplainerOct 21, 2026
The OSLTT KVM Latency Test: How We Measure Glass-to-Glass
Two identical monitors, two OSLTT-based sensors, and a splitter. How every latency number we publish is measured, and what our first rig got wrong.
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ComparisonOct 21, 2026
IP KVM Latency Benchmarks: Every Device Measured Glass to Glass (2026)
Nine shipping IP KVMs and our own two boards, one two-monitor rig, every device at its best settings. Re-measured October 2026.
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Entry 004Oct 19, 2026
Bring-up notes #1: the RK3566 board that would not boot
The design worked on the first spin. It sat dead for four weeks anyway, because 29 parts were never placed, and the order screen had told us so.
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ReviewOct 17, 2026
NanoKVM Teardown: Inside the $70 RISC-V KVM Over IP
We opened the cheapest IP KVM on the market: the dev board in a trench coat, the microphone nobody expected, and a BOM that explains the price.
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ExplainerOct 15, 2026
JetKVM ATX Power Control: Extension Board Install Guide
A KVM lets you see a hung server; the ATX extension lets you power-cycle it. Here is how to wire the JetKVM's ATX board to your motherboard, step by step.
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Entry 003Oct 12, 2026
warpd #1: Full color through a 4:2:2 pipe
The RK628 locks its output to 4:2:2 in silicon. Doubling the width before the subsample step gets full-resolution color through anyway, for about 7 ms of encode time.
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ExplainerOct 09, 2026
JetKVM Troubleshooting: Login, Factory Reset, USB & Firmware Fixes
Every common JetKVM problem and its fix, from a black screen to a forgotten login. Most are the USB or HDMI side, and most take under a minute.
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Entry 002Oct 05, 2026
Video capture: RK628D to RK628H
Three variants of one HDMI bridge, why the RK628F lost to a chip that is identical except for a panel output we never use, and the EDID bug that looked like a hardware limit.
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ExplainerOct 01, 2026
JetKVM Setup Guide: From Unboxing to Remote Access
The JetKVM is genuinely plug-and-play: under two minutes from box to a working remote session. Here is the whole setup, plus the two settings to change first.
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Entry 001Sep 28, 2026
Picking the SoC: six chips in sixteen months
Two Allwinner chips, four Rockchip chips, and the one lesson that would have saved five months: prove the video path first.
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Buying guideSep 23, 2026
Where to Buy JetKVM in 2026 (and the Reseller Markups to Avoid)
There are three legitimate places to buy a JetKVM, and one of them is Amazon. Here is what each charged in October 2026, and the marketplace markups still worth avoiding.
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ComparisonAug 27, 2026
IP KVM Repairability Ranked: Which Ones You Can Actually Fix
We opened all of them. One has a swappable brain, and one we damaged just getting inside.
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ComparisonAug 24, 2026
IP KVM Setup Time Compared: From 75 Seconds to 39 Minutes
We started a timer at the first cable on every device. Most stream in minutes. A few make you fight firmware first.
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ExplainerAug 17, 2026
IP KVM eMMC Quality and SD Card Provenance: Who Ships Genuine Storage
Storage is the part most likely to fail on an always-on device. We read the part number off every one.
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ComparisonAug 14, 2026
IP KVM Video Quality Compared: Same Test Pattern, Every Device
We put the same test pattern through every device and captured matched crops. The differences are smaller than you'd think between the good ones, and stark for one.
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ExplainerJul 28, 2026
Who Makes IP KVM Devices? Owners, Jurisdictions, and Where Your Data Goes
A KVM sees your screen and types your keystrokes. For a box like that, who runs the company and where it sends your data matters more than where it was built.
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Disclosure: Our articles contain affiliate links, including Amazon. If you buy through one, we may earn a commission at no extra cost to you, and as an Amazon Associate we earn from qualifying purchases. It never affects our testing, measurements, or verdicts. Full disclosure.