[Whisper-Quiet Typing with Silent Switches] The Blade 87 mechanical keyboard features custom Pre-Lubed linear silent switches, eliminating metallic noise and scratchiness for ultra-quiet and buttery-smooth typing. Ideal for open-office keyboard use, libraries, dorms, and late-night gaming without disturbing others.
[NKRO Gaming Keyboard, High Accuracy] Featuring Full NKRO (N-Key Rollover) and anti-ghosting, every keystroke is registered with precision. With an 8000Hz polling rate and 0.125ms low-latency for faster response, this computer keyboard is a powerhouse for complex gaming combos, high-speed typing, or intense programming.
[Gasket Mount for Soft Cushioned Feel] Less Noise, Less Fatigue. Built with a gasket structure (with sound-dampening foams), the game keyboard reduces internal vibration and hollow noise while providing a softer, "bouncy" typing experience. Enjoy ergonomic comfort and reduced finger fatigue during long hours of work or play.
[Hot Swappable Keyboard] This custom keyboard supports both 3-pin and 5-pin mechanical switches, allowing you to change switches in seconds without soldering (switch puller included). Customize your typing feel anytimewhether you prefer silent, tactile, or linear switches.
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Overview
Specs
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Fn + K / L (Control keys can be customized via software)
Light Brightness Control
Fn + ;: / '" (Control keys can be customized via software)
Volume Control
Fn + < / > / /? for Mute, Volume Down, Volume Up
Playback Control
Fn + B/N/M for Previous, Play/Pause, Next
Media Launch & Switch
Fn + T/Y/U/I for mail, Home, Calculator, Search
Reset Keyboard
Press and hold Fn+Esc for 5 seconds
Other
Fn+Tab for PrtSc, Fn+Q/W for Brightness Down/Up
Keyboard is not working?
If the keyboard isn't working or the software customization fails, please make sure that both the software and the keyboard firmware are updated to the latest versions.
Customize Keyboard
Download at “darkbeacon.ai". The Windows software is stable and supports configuration synchronization, allowing to save and restore your settings on another computer without reconfiguring.
Save Custom Settings
After customizing settings in the software, please click “Save to Keyboard” in the top-right corner to apply and store the configuration on the keyboard.
Fn + K / L (Control keys can be customized via software)
Light Brightness Control
Fn + ;: / '" (Control keys can be customized via software)
Volume Control
Fn + < / > / /? for Mute, Volume Down, Volume Up
Playback Control
Fn + B/N/M for Previous, Play/Pause, Next
Media Launch & Switch
Fn + T/Y/U/I for mail, Home, Calculator, Search
Reset Keyboard
Press and hold Fn+Esc for 5 seconds
Other
Fn+Tab for PrtSc, Fn+Q/W for Brightness Down/Up
Keyboard is not working?
If the keyboard isn't working or the software customization fails, please make sure that both the software and the keyboard firmware are updated to the latest versions.
Customize Keyboard
Download at “darkbeacon.ai". The Windows software is stable and supports configuration synchronization, allowing to save and restore your settings on another computer without reconfiguring.
Save Custom Settings
After customizing settings in the software, please click “Save to Keyboard” in the top-right corner to apply and store the configuration on the keyboard.
Magnetic & Silent Keyboard
Magnetic & Silent Keyboard
Blade87 TKL Mechanical Keyboard with Silent Switches, Quiet Typing 87 Keys, Hot Swappable, Gasket Structure, 8000Hz, N-Key Rollover, RGB Backlit, USB Wired Gaming Keyboards for Win/Mac
Learn more about the DB-K4
Model
Brand
ARK
Series
DB-K4
Name
DB-K4
Model
DB-K4
Keyboard
Palm Rest
Classic
Mechanical Keyboard
Keycap and Switch Puller / Linear
Key Switch
Linear
Key Switch Type
Linear
Keycaps
Plastic
Keyboard Color
Black
Backlit
RGB
Dimensions
38.2 cm x 13.9 cm x 3.8 cm
Mouse
Mouse Included
Classic
Mouse DPI
Silent Mechanical Keyboard
Hand Orientation
Ambidextrous
Tracking Method
Hot-Swappable
Scrolling Capability
Programmable Keys
Mouse Color
Black
Wireless
Power Source
Corded Electric
Operating Time
Corded Electric, false
Distance
15 L x 5.5 W x 1.5 H inches
Features
Features
rgb, Ambidextrous
Additional Information
First Listed on Newegg
August 28, 2026
Customer Reviews of DB-K4
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
