Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 21, 2026

Double shell DoubleShell DS84i vs Keychron K3 V32.4GHz vs QMK Customization

Choose the DoubleShell DS84i for its dedicated 2.4GHz receiver storage and knob, or the Keychron K3 V3 for its extensive firmware customization and build quality.

Quick verdict

Which one should you get?

Get the

Double shell DoubleShell DS84i

2.4GHz

If you want

  • Includes a dedicated storage compartment for the 2.4GHz wireless receiver.
  • Features a multi-function metallic knob for adjusting volume or brightness.
  • Vendor claims an exceptionally long battery life of up to 20 weeks.

And can live with

  • Does not specify a polling rate for gaming performance.
  • Heavier at 798g compared to the Keychron.
  • Lacks the advanced QMK/VIA firmware support found on the Keychron.

Get the

Keychron K3 V3

QMK Customization

If you want

  • Supports QMK and VIA firmware for deep, open-source customization.
  • Offers multiple ISO layout options (UK, German, Swiss, Nordic).
  • Specifies a 1000 Hz polling rate in wired mode and 90 Hz in wireless mode.

And can live with

  • Lacks a 2.4GHz wireless connectivity option, relying on Bluetooth and wired.
  • Does not have a dedicated storage solution for its wireless dongle.
  • Officially supports a more limited set of low-profile switches (Keychron Milk POM or Gateron) for QMK compatibility.

Bottom line

Your primary need dictates the choice. If you require a reliable 2.4GHz connection with a place to store the dongle and want a physical control knob, the DoubleShell DS84i is the clear pick. If your priority is extensive key remapping, macro programming via QMK/VIA, and you value a wider range of international layouts and specified performance metrics, the Keychron K3 V3 is the better keyboard. Both serve as competent low-profile wireless options, but cater to different user workflows.

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 K3 V3

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

  • Switch options

    Linear, Tactile

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Weight

    798 g

    540 g

  • QMK

    No

    Yes

KeebFinder scores

How we score
  • Double shell DoubleShell DS84i
  • Keychron K3 V3
Performance
62
82
Build quality
40
82
Productivity
59
70
Customizability
59
89
Portability
74
74

What they share

  • Layout size: 75%
  • Hot-swappable
  • Low profile
See every spec side by side

Best for

What will you mostly use it for?

The Keychron K3 V3 is the stronger choice for gaming, programming, and modding due to its specified polling rates, extensive firmware support, and detailed construction for customization. The DoubleShell DS84i wins for travel and content creation, thanks to its integrated 2.4GHz receiver storage and dedicated multifunction knob. For general office use, both keyboards are well-matched with their low-profile designs and wireless connectivity.

For gaming

Pick the Keychron K3 V3

  • The Keychron K3 V3 lists a 1000 Hz polling rate in wired mode, which can offer lower latency.
  • Its vendor description mentions a 90 Hz polling rate in wireless mode, providing a specified wireless performance metric.
  • The DoubleShell DS84i does not specify a polling rate in its provided information.

Full specs

Double shell DoubleShell DS84i vs Keychron K3 V3 specs

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

14 of 25 specs differ

Double shell DoubleShell DS84i

Keychron K3 V3

Typing & switches

Switch options

Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
PCB Mount, Top Mount

Low profile

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-Nordic, ISO-SW, ISO-UK

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

—
1,550 mAh

USB-C

Yes
No

Build & materials

Case material

—
ABS, Aluminum

Keycaps

PBT
ABS, PBT

Weight

798 g
540 g

Dimensions

25 x 153 x 314 mm
19 x 306 x 116 mm

Typing angle

—
3°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2023
2024

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
    $84Visit
  • AmazonGlobal

    Check price
    ~$84Visit
  • Keychron (DE)DE

    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.

FAQ

Double shell DoubleShell DS84i vs Keychron K3 V3: your questions

The DoubleShell DS84i offers more wireless options, including Bluetooth, 2.4GHz, and wired. The Keychron K3 V3 provides Bluetooth and wired connectivity but lacks a 2.4GHz radio. The DS84i also has a unique shell-themed storage compartment for its 2.4GHz receiver.

Yes, but the level of customization differs significantly. The Keychron K3 V3 supports full QMK and VIA firmware, allowing for deep key remapping and macro creation via a web app. The DoubleShell DS84i vendor description mentions custom macro programming support, but does not specify the software or firmware used.

The Keychron K3 V3 is likely better for gaming due to its specified 1000 Hz polling rate in wired mode. The DoubleShell DS84i does not list a polling rate in its provided specifications, so its gaming performance is less defined.

Yes, both are compatible. The Keychron K3 V3 listing explicitly includes Mac/Win support and comes with extra keycaps for both operating systems. The DoubleShell DS84i is designed based on the Apple Magic Keyboard but supports multiple connectivity modes suitable for any computer.

The DoubleShell DS84i supports both 3 and 5-pin low-profile switches. The Keychron K3 V3 hot-swappable version is compatible with Keychron Milk POM switches or Gateron/Keychron low-profile mechanical switches, as its QMK firmware does not support low-profile optical switches.

Based on vendor claims, the DoubleShell DS84i has a longer stated battery life of up to 20 weeks. The Keychron K3 V3 has a 1550mAh battery, but its expected runtime is not specified in the provided information.

Yes, both keyboards use low-profile keycaps that should be replaceable with compatible sets. The DoubleShell DS84i uses unique ladder-shaped PBT keycaps. The Keychron K3 V3 uses LSA profile shine-through ABS keycaps, and Keychron sells separate low-profile PBT keycap sets.

The Keychron K3 V3 is lighter at 540g and thinner (19mm height) compared to the DoubleShell DS84i (798g, 25mm height). However, the DS84i's integrated 2.4GHz receiver storage is a significant advantage for travel, preventing loss of the dongle.

Yes, the Keychron K3 V3 features three adjustable typing angles (2.5°, 4.2°, and 6.5°). The DoubleShell DS84i has a fixed typing angle as part of its low-profile design.

According to its vendor description, the Keychron K3 V3 uses enhanced acoustic foams, including IXPE foam for comfort, plus EPDM and latex foams for key switch support and sound dampening.

The vendor description for the DoubleShell DS84i states the metallic knob is for adjusting volume or brightness. It does not specify if the knob's function can be reprogrammed to other actions.

The Keychron K3 V3 is better for international users, as it is available in multiple ISO layouts including UK, German, Swiss, and Nordic. The DoubleShell DS84i is listed with an ANSI layout only.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.