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Head to head · Prices checked Nov 2, 2026

Redragon K628 Pollux vs Ktechs Rainy75

Get the Redragon K628 Pollux for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Redragon K628 Pollux

Hot-swappable

Build quality in the bottom 25% of 75% boards under $50.

Get the

Ktechs Rainy75

Build quality in the bottom 30% of 75% boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

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.

Redragon K628 Pollux

Ktechs Rainy75

  • Connection

    Wired

    Wireless

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Mount style

    Bottom Mount

    Gasket Mount

  • Display

    None

    LED

    A case display rather than a typing feature

  • Backlight

    RGB

    None

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Redragon K628 Pollux
  • Ktechs Rainy75
Performance
79
47
Build quality
56
65
Productivity
61
46
Customizability
58
43
Portability
61
74

What they share

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

Full specs

Redragon K628 Pollux vs Ktechs Rainy75 specs

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

8 of 18 specs differ

Redragon K628 Pollux

Ktechs Rainy75

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
No

Mount style

Bottom Mount
Gasket Mount

Layout

Layout size

75%
75%

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Display

None
LED

Connectivity & battery

Connection

Wired
Wireless

Max polling rate

—
1,000 Hz

Battery

Wired only
3,500 mAh

USB-C

Yes
No

Build & materials

Case material

Plastic
—

Plate material

—
FR4, Plastic, Polycarbonate

Keycaps

ABS
—

Weight

470 g
—

Backlight

RGB
None

Firmware & software

N-key rollover

Yes
No

Extras

Released

2023
2024

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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