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Keychron V3 compared with Keychron B1 Pro Ultra-Slim
Spec	Keychron Keychron V3 $60–$70 “QMK support under $100 is absurd” Budget King	Keychron Keychron B1 Pro Ultra-Slim $40 “Ultra-slim 75% scissor-switch board with ZMK and no backlight”
Price , different	$60–$70	$40
Size , different	TKL	75%
Type , different	Pre-built	Barebones
Connectivity , different	Wired	Wireless + Wired
Released , different	2022	2024
Mounting , different	Tray Mount	Integrated Plate
Case , different	ABS Plastic	Plastic
Colors , different	Frosted Black, Carbon Black	Space Gray, Ivory White, Retro Blue, Retro Red
Weight , different	966g	425 g / 0.94 lbs
Dimensions , different	359 x 138.5 x 31mm	296 x 130 mm
Typing angle , different	5.2°	Not listed
Front height , different	22mm	Not listed
Switches , different	Mechanical	Scissor
Profile	Standard	Standard
Keycaps , different	Double-shot PBT, OSA Profile	ABS
PCB , different	Hot-swap, South-facing RGB	Fixed switches
Plates , different	Steel	Not listed
Battery , different	—	800 mAh
Compatible switches , different	MX-style 3-pin and 5-pin	Fixed scissor switches (not replaceable)
Software , different	QMK, VIA	ZMK, Keychron Launcher
NKRO , different	Yes	No
RGB , different	Yes	No
Features , different	QMK/VIA, 80% TKL with Knob, Hot-swap, Screw-in Stabs, Double-shot PBT, South-facing LEDs, 1000Hz Polling	75% layout, Tri-mode
Good for , different	A first QMK/VIA keyboard on a small budget Learning switch swapping without soldering Desk or office use where wireless is not needed TKL fans who want arrow keys and a nav cluster	Office and travel typists who want a laptop-style feel Anyone moving between a few devices People who want ZMK remapping on a cheap board
Skip if , different	Anyone who needs wireless Buyers who want an aluminum case People who want a soft, flexy gasket-style feel Buyers who need a guaranteed in-stock listing	Gamers who need NKRO or backlighting People who want a mechanical sound and feel Android users
Pros , different	QMK firmware with the Keychron Launcher web app for remapping and macros Hot-swap sockets, so switches can be changed without soldering Screw-in PCB stabilizers; Keychron says third-party screw-in stabilizers also fit Double-shot PBT keycaps and K Pro switches on the assembled version (pre-lubed except the clicky Blue) Steel plate with a tray mount, which reviewers of the V3 8K found stable and firm TKL layout with arrow keys and navigation keys, and an optional knob	Springy, quiet scissor keys (WIRED, Tom's Guide) 75% layout in a thin board that fits in a bag Tri-mode connection with Mac/Windows layout switch and ZMK firmware support (Tom's Guide, Keychron) Rubber feet and a comfortable fixed angle (How-To Geek)
Cons , different	Wired only; the V3 Max is the wireless version ABS plastic case rather than aluminum Tray mount feels stiffer than a gasket-mounted board (APH Networks, on the V3 8K) Keychron's page lists it as sold out, so availability is uncertain Little independent review coverage of this exact model	No backlight (WIRED, Tom's Guide) Plastic body; Tom's Guide found it a little heavy for an ultra-slim board Cheap-looking cable and dongle, and not compatible with Android (Tom's Guide) WIRED noted the physical mode switch is easy to knock when the board is tossed in a bag Scissor keys are fixed; no hot-swap and no NKRO listed
Research take , different	A plain wired TKL that, on Keychron's specs, gives QMK/VIA, hot-swap and screw-in stabilizers in a plastic case. Its trade-offs are the plastic build, a stiffer tray-mount feel and no wireless. Because reviews of this exact model are scarce and Keychron lists it as sold out, the V3 Max or V3 8K may be the more practical buy.	A well-reviewed, inexpensive productivity board for people who like low-profile laptop-style keys. If you need backlighting or mechanical switches, look elsewhere; the B3 Pro is the closest sibling with Launcher support.