Dell Alienware AW420K Tenkeyless Mechanical Gaming Keyboard – Cherry MX Red, AlienFX RGB

The Dell Alienware AW420K is a compact tenkeyless mechanical gaming keyboard designed to create more room for mouse movement while maintaining responsive, tournament-ready performance. Its linear Cherry MX Red mechanical switches provide smooth keystrokes, while anti-ghosting and N-key rollover ensure that simultaneous commands register accurately.

Customizable AlienFX RGB illumination supports up to 16.8 million colours, helping users coordinate the keyboard with their gaming setup. Durable double-shot PBT keycaps, programmable controls, onboard memory, adjustable height and a detachable two-metre USB cable make the AW420K a practical choice for competitive gaming and everyday desktop use. Dell officially identifies this configuration as the AW420K with a US-English QWERTY layout and “Dark Side of the Moon” colour. 

Key Features

• Space-saving tenkeyless design without a numeric keypad
• Smooth and responsive Cherry MX Red mechanical switches
• AlienFX per-key RGB lighting with up to 16.8 million colours
• Adjustable lighting effects through Alienware Command Center
• Anti-ghosting technology for accurate multi-key input
• Full N-key rollover for complex gaming commands
• 1,000Hz polling rate for responsive input
• Durable double-shot PBT keycaps
• Switch lifespan rated for up to 100 million keystrokes
• Programmable hotkeys and multimedia controls
• Built-in memory for storing compatible settings
• Windows-key lock helps prevent accidental interruptions
• Adjustable keyboard height
• Detachable USB cable for easier transport and storage
• Integrated cable-routing design
• Compact form factor provides additional mouse space

Specifications

• Brand: Alienware by Dell
• Model: AW420K
• Product type: Mechanical gaming keyboard
• Keyboard form factor: Tenkeyless, approximately 80–87%
• Keyboard layout: US-English QWERTY
• Numeric keypad: No
• Keyboard technology: Mechanical
• Switch type: Cherry MX Red linear mechanical switches
• Keycap construction: Double-shot PBT
• Key lifespan: Up to 100 million keystrokes
• Connectivity: Wired USB
• Keyboard connection: USB Type-C
• Included host cable: USB Type-C to USB Type-A
• Cable length: 2 metres
• Detachable cable: Yes
• Polling rate: 1,000Hz
• Anti-ghosting: Yes
• Rollover: N-key rollover
• Backlighting: AlienFX RGB LED
• Available lighting colours: Up to 16.8 million
• Adjustable backlighting: Yes
• Programmable hotkeys: Yes
• Multimedia controls: Yes
• Windows keys: Yes
• Windows-key lock: Yes
• Built-in memory: Yes
• Adjustable height: Yes
• Keyboard style: Straight
• Power source: USB
• Mouse included: No
• Pointing device: No
• Colour: Dark Side of the Moon, a near-black finish
• Width: 367.3mm
• Depth: 147.7mm
• Height: 55.7mm
• Weight: Approximately 787g
• Operating temperature: 0°C to 40°C
• Storage temperature: -40°C to 65°C
• Operating relative humidity: 0–90%
• Storage relative humidity: 0–90%
• Compatible configuration software: Alienware Command Center with AlienFX
• Official operating-system requirement: Windows 11 or later

What’s in the Box

• 1 x Dell Alienware AW420K Tenkeyless Gaming Keyboard
• 1 x Limited Warranty 12 Months