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Head to head · Prices checked Oct 21, 2026

Redragon DITI K585 HE vs NIUNIU Roly poly 40 R3

Get the Redragon DITI K585 HE for hall effect and rapid trigger. Get the NIUNIU Roly poly 40 R3 for hot-swappable.

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 DITI K585 HE

NIUNIU Roly poly 40 R3

  • Hall effect (magnetic)

    Yes

    No

  • Rapid trigger

    Yes

    No

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

  • Hot-swappable

    No

    Yes

  • Case material

    Plastic

    Aluminum

KeebFinder scores

How we score
  • Redragon DITI K585 HE
  • NIUNIU Roly poly 40 R3
Performance
95
47
Build quality
46
75
Productivity
48
51
Customizability
47
70
Portability
66
80

What they share

  • Layout size: 40%
See every spec side by side

Full specs

Redragon DITI K585 HE vs NIUNIU Roly poly 40 R3 specs

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

11 of 20 specs differ

Redragon DITI K585 HE

NIUNIU Roly poly 40 R3

Typing & switches

Switch options

Magnetic
Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

Bottom Mount
Top Mount

Layout

Layout size

40%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

USB-C

Yes
No

Build & materials

Case material

Plastic
Aluminum

Plate material

—
FR4

Weight

610 g
—

Typing angle

—
9°

Backlight

RGB
None

Firmware & software

VIAL

No
Yes

N-key rollover

Yes
No

Extras

Released

2025
2025

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Redragon DITI K585 HE2 stores

  • RedragonCN

    In stock
    $49Visit

  • AmazonGlobal

    Check price
    ~$49Visit
NIUNIU Roly poly 40 R32 stores

  • AmazonGlobal

    Check price
    ~$109Visit

  • zFrontierHK

    Out of stock
    $109Visit

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.

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