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Head to head · Prices checked Oct 23, 2026

Double shell DoubleShell DS84i vs Keychron K1 Ultra

Get the Keychron K1 Ultra for sound dampening.

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.

Double shell DoubleShell DS84i

Keychron K1 Ultra

  • Layout size

    75%

    80%

  • Switch options

    Linear, Tactile

    Clicky, Linear, Tactile

  • Weight

    798 g

    628.9 g

  • Sound dampening

    No

    Yes

  • Backlight

    RGB

    RGB, north-facing

KeebFinder scores

How we score
  • Double shell DoubleShell DS84i
  • Keychron K1 Ultra
Performance
62
89
Build quality
40
70
Productivity
59
84
Customizability
59
74
Portability
74
77

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
  • Knob
  • Keycaps: PBT
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Double shell DoubleShell DS84i

No owner reviews collected yet.

Keychron K1 Ultra

5.0

1 owner reviews

Praise
“Feels a little bit high after the MacBook keyboard, but one will get used to it. The quality is amazing.”
Yehor V.Verified buyer· via Keychron

Full specs

Double shell DoubleShell DS84i vs Keychron K1 Ultra specs

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

9 of 24 specs differ

Double shell DoubleShell DS84i

Keychron K1 Ultra

Typing & switches

Switch options

Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Plate Mount

Low profile

Yes
Yes

Sound dampening

No
Yes

Layout

Layout size

75%
80%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
8,000 Hz

Battery

—
2,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
ABS, Aluminum, Metal, Wood

Plate material

—
Aluminum

Keycaps

PBT
PBT

Weight

798 g
628.9 g

Dimensions

25 x 153 x 314 mm
20 x 359 x 128 mm

Backlight

RGB
RGB, north-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2023
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    ~$99Visit
  • KeychronHK

    In stock
    $109Visit
  • MKUS

    In stock
    $109Visit
  • Keychron (DE)DE

    In stock
    $145Visit
  • AmazonGlobal

    Check price
    Visit

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