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Head to head · Prices checked Nov 11, 2026

Mechboards CFTKB Mysterium Kit V1 vs Keychron K2 Ultra

Get the Keychron K2 Ultra for hot-swappable and qmk.

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Quick verdict

Which one should you get?

Get the

Mechboards CFTKB Mysterium Kit V1

Build quality in the bottom 15% of 75% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Missing ISO-FR, ISO-ES, ISO-IT. The other board is sold in those layouts.

Get the

Keychron K2 Ultra

Hot-swappable

Build quality in the top 10% of 75% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Mechboards CFTKB Mysterium Kit V1

Keychron K2 Ultra

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Acrylic

    ABS, Aluminum

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

  • Sound dampening

    No

    Yes

KeebFinder scores

How we score
  • Mechboards CFTKB Mysterium Kit V1
  • Keychron K2 Ultra
Performance
43
90
Build quality
48
86
Productivity
43
94
Customizability
46
92
Portability
56
82

What they share

  • Layout size: 75%
See every spec side by side

Full specs

Mechboards CFTKB Mysterium Kit V1 vs Keychron K2 Ultra specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

14 of 25 specs differ

Mechboards CFTKB Mysterium Kit V1

Keychron K2 Ultra

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO
ANSI, ISO, ISO-ES, ISO-FR, ISO-IT

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

—
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
8,000 Hz

Battery

—
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Acrylic
ABS, Aluminum

Plate material

FR4
Steel

Keycaps

—
PBT

Weight

—
1,084 g

Dimensions

—
31 x 312 x 122 mm

Backlight

None
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2021
2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Mechboards CFTKB Mysterium Kit V1

Listed on the product, not split by store: ISO.

Keychron K2 Ultra

  • Keychron (DE)

    ISO-FR, ISO-ES, ISO-IT

    In stockDoes not ship to you

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

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