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Head to head · Prices checked Nov 11, 2026

Mechboards CFTKB Mysterium Kit V1 vs Skyloong GK75 Jellyfish

Get the Skyloong GK75 Jellyfish for hot-swappable and knob.

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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

Skyloong GK75 Jellyfish

Hot-swappable

Build quality in the bottom 45% of 75% boards under $100.

Rules this board out

  • 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

Skyloong GK75 Jellyfish

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Acrylic

    ABS

  • Knob

    No

    Yes

  • 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
  • Skyloong GK75 Jellyfish
Performance
43
67
Build quality
48
64
Productivity
43
71
Customizability
46
61
Portability
56
76

What they share

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

Full specs

Mechboards CFTKB Mysterium Kit V1 vs Skyloong GK75 Jellyfish specs

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

9 of 19 specs differ

Mechboards CFTKB Mysterium Kit V1

Skyloong GK75 Jellyfish

Typing & switches

Switch options

—
Linear, 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

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

—
Bluetooth, 2.4 GHz, Wired

Battery

—
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Acrylic
ABS

Plate material

FR4
Steel

Keycaps

—
PBT

Weight

—
960 g

Dimensions

—
36 x 323 x 141 mm

Backlight

None
RGB

Extras

Released

2021
2023

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.

Skyloong GK75 Jellyfish

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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