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Asus ProArt KD300 specifications and in-depth review

Asus ProArt KD300

Manufacturer: Asus

The Asus ProArt KD300 is a compact mechanical keyboard built around a 65% layout with a low-profile form factor, making it a practical choice for users who prefer a smaller footprint without sacrificing the core alphanumeric and navigation keys. It supports both wired and wireless operation, connecting via USB, 2.4GHz wireless, or Bluetooth 5.2, and carries a rated battery life of 11,680 hours. The keyboard is designed for Mac use and features a detachable cable, RGB backlighting, and a chassis constructed from a combination of plastic and aluminum with an aluminum plate.

Internally, the KD300 uses ASUS Low-Profile Optical Switches with a linear feel, a 1 mm actuation distance, 40 g actuation force, and a total travel distance of 2.8 mm. The keyboard uses a gasket mount for its plate and polls at 1000 Hz, while full N-key rollover is supported. Keycaps follow an OEM profile on a standard ANSI (United States) layout, with media functions accessible via the Fn key. Adjustable feet are included, though hot-swap switch support, a wrist rest, and programmability options such as QMK, ZMK, or VIA are not part of the feature set. Physical dimensions come in at 305.6 mm wide, 109 mm deep, and 26.8 mm thick, with a total weight of 600 g, and the keyboard is backed by a one-year warranty.

Pros
  • Supports wireless connectivity via both 2.4GHz and Bluetooth 5.2, as well as wired USB, giving flexible connection options
  • Exceptionally long rated battery life of 11,680 hours reduces the need for frequent recharging
  • Gasket mount construction provides a more cushioned typing feel compared to rigid plate mounting
  • Low-profile optical switches with a 1 mm actuation distance allow for fast, responsive keystrokes
  • N-key rollover ensures every simultaneous keypress is accurately registered
  • Detachable cable adds convenience for transport and cable management
Cons
  • Switches are not hot-swappable, so replacing or experimenting with different switches requires soldering
  • No support for QMK, ZMK, or VIA, limiting the ability to remap keys or customize firmware
  • Media functions are only accessible via the Fn key, with no dedicated media keys available
  • No wrist rest is included, which may be a concern for extended typing sessions
  • Does not support rapid trigger or adjustable actuation, features increasingly common in gaming-focused keyboards
  • Only available in black, offering no color variety for users who prefer a different aesthetic
Who is this for?

The ProArt KD300 is well-suited to users who value a compact, portable workspace and want the flexibility of switching between wired and wireless connections. Its 65% layout and low-profile design make it a practical fit for those working across multiple setups or frequently on the move. The Bluetooth 5.2 and 2.4GHz wireless support, combined with the remarkable 11,680-hour battery rating, also make it a strong match for Mac users or anyone seeking a clean desk setup with minimal cable clutter. The gasket mount and linear optical switches with a 1 mm actuation distance further appeal to typists who prefer a smooth, responsive keystroke in a slim form factor.

Who is this NOT for?

Users who rely on deep keyboard customization or firmware remapping will find the ProArt KD300 limiting, as it lacks support for QMK, ZMK, and VIA. It is also not well-suited to those who want the ability to experiment with different switches, since the keyboard does not offer hot-swap functionality. Competitive gamers or enthusiast typists looking for advanced input features such as rapid trigger, adjustable actuation, or analog input will find those capabilities absent here as well. Additionally, users who prefer a full-size or tenkeyless layout with dedicated media keys and a wider range of physical customization options may find the 65% layout and single color option too restrictive.

General info:

Keyboard type Mechanical
Keyboard layout size Compact (65%)
Profile Low-profile
connectivity Wireless & wired
connection type USB, 2.4GHz wireless, Bluetooth
polling rate 1000 Hz
Mount type Gasket mount
Battery life 11680 hours
designed for Mac ✓
has a detachable cable ✓
height 109 mm
width 305.6 mm
thickness 26.8 mm
weight 600 g
Bluetooth version 5.2
release date February 2026
warranty period 1 years

The Asus ProArt KD300 is a mechanical keyboard built in a compact 65% layout with a low-profile design, measuring 305.6 mm wide, 109 mm deep, and 26.8 mm thick, with a total weight of 600 g. It supports wireless and wired connectivity, connecting via USB, 2.4GHz wireless, or Bluetooth 5.2, and is rated for an impressive 11,680 hours of battery life. The keyboard uses a gasket mount and polls at 1000 Hz, while also featuring a detachable cable and compatibility with Mac layouts. Designed with portability and flexibility in mind, it comes in at 26.8 mm thick and is backed by a one-year warranty.

Design:

has RGB lighting ✓
Has a backlit keyboard ✓
Case material Plastic, Aluminum
Plate material Aluminum
Case colors Black
has adjustable feet ✓
includes a wrist rest ✕

The ProArt KD300 features a black case constructed from a combination of plastic and aluminum, with an aluminum plate adding structural rigidity to the build. The keyboard includes RGB backlighting and supports adjustable feet for typing angle customization. No wrist rest is included in the package.

Switches:

Switch type Mechanical
Switch feel Linear
Hot-swappable switches ✕
Switch name ASUS Low-Profile Optical Switch
Actuation distance (min) 1 mm
Actuation distance (max) 1 mm
Actuation force 40 g
Total travel distance 2.8 mm

The ProArt KD300 is equipped with the ASUS Low-Profile Optical Switch, a mechanical switch with a linear feel that actuates at 1 mm and has a total travel distance of 2.8 mm. The actuation force required is 40 g, making for a light and consistent keystroke. Hot-swappable switch support is not available on this keyboard.

Features:

has analog input ✕
has rapid trigger ✕
has dual actuation ✕
has adjustable actuation ✕
has NKRO ✓
has USB passthrough ✕
Has a display ✕
has QMK support ✕
has ZMK support ✕
has VIA support ✕

The ProArt KD300 supports N-key rollover (NKRO), allowing all simultaneous keypresses to be registered without conflict. Beyond that, the feature set is relatively minimal — the keyboard does not include analog input, rapid trigger, dual actuation, or adjustable actuation point functionality. There is no USB passthrough port, no built-in display, and no support for open-source firmware or configuration tools such as QMK, ZMK, or VIA.

Keys & layout:

Keyboard layout ANSI (United States)
Keycap profile OEM
uses a standard key layout ✓
Media keys Via Fn key
has a rotary dial ✕

The ProArt KD300 uses an ANSI (United States) layout with a standard key arrangement and OEM-profile keycaps. Media functions are accessible via the Fn key rather than through dedicated media keys, and the keyboard does not include a rotary dial.

Final Verdict

The Asus ProArt KD300 is a focused, well-defined keyboard that delivers on its core promises: a compact 65% low-profile form factor, versatile wireless connectivity, and a clean build quality backed by an aluminum plate and gasket mount. Its tri-mode wireless support with an extraordinary battery rating makes it particularly compelling for users who want a tidy, cable-free workspace without sacrificing responsiveness. That said, the absence of hot-swap support, open-source firmware compatibility, and advanced input features means it is best appreciated by users whose needs align closely with what it actually offers rather than those seeking a highly customizable or feature-rich platform. For the right user — one who prioritizes portability, reliable wireless performance, and a slim typing experience — the ProArt KD300 presents a coherent and capable package.