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Head to head · Prices checked Nov 11, 2026

Mechboards CFTKB Mysterium Kit V1 vs Epomaker RT75

Get the Epomaker RT75 for hot-swappable and sound dampening.

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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.

Get the

Epomaker RT75

Hot-swappable

Build quality in the bottom 50% of 75% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

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

Epomaker RT75

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Acrylic

    ABS

  • Display

    None

    TFT

    A case display rather than a typing feature

  • Sound dampening

    No

    Yes

  • Layout standard

    ANSI, ISO

    ANSI

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • Mechboards CFTKB Mysterium Kit V1
  • Epomaker RT75
Performance
43
61
Build quality
48
66
Productivity
43
76
Customizability
46
66
Portability
56
80

What they share

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

Full specs

Mechboards CFTKB Mysterium Kit V1 vs Epomaker RT75 specs

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

10 of 21 specs differ

Mechboards CFTKB Mysterium Kit V1

Epomaker RT75

Typing & switches

Switch options

—
Linear, Silent, Tactile

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO
ANSI

Ergonomics

Standard
Standard

Display

None
TFT

Connectivity & battery

Connection

—
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

—
5,000 mAh

USB-C

No
Yes

Build & materials

Case material

Acrylic
ABS

Plate material

FR4
Polycarbonate

Keycaps

—
PBT

Weight

—
1,165 g

Dimensions

—
45 x 352 x 142 mm

Typing angle

—
6°

Backlight

None
RGB, south-facing

Firmware & software

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.

Epomaker RT75

No ISO layout at the stores we track.

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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