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Prussian blue 75% mechanical keyboard with rotary knob and RGB lighting

Redragon SKY81 75% Mechanical Gaming Keyboard Prussian Blue Blue Whale Switch

SKU CH-62XA-ESDK4

A 75% gasket-mounted mechanical keyboard with hot-swappable pre-lubed tactile switches, five-layer sound padding, a control knob, RGB backlighting and full anti-ghosting over USB

  • Keyboard connectionUSB
  • StyleGaming
  • Function key count12
  • Keyboard switchesTactile
  • Switch typeTactile
  • Keyboard colorBlack
  • Gasket-mounted structure cushions typing feel and cuts vibration
  • 5-layer sound padding suppresses hollow resonance for quieter keystrokes
  • Hot-swappable sockets with pre-lubed switches rated to 70 million keystrokes
  • 75% compact layout keeps all essential keys in less desk space
  • Knob control and RGB backlighting add quick media access and per-key lighting

Compact 75% Layout

The Redragon SKY81 is a 75% mechanical gaming keyboard built for players and typists who want a smaller footprint without losing the function row. It uses a gasket-mounted structure with five layers of sound-dampening material including IXPE foam, PORON foam, a diaphragm, EVA foam and a silicone pad. The board connects via a wired USB cable and works on both Windows and Mac systems.

Sustained Typing Feel

The gasket mount isolates the positioning plate from the case shells, cutting vibration and hollow resonance during long sessions. Blue Whale tactile switches are factory pre-lubed and rated for 70 million keystrokes, keeping the creamy, even actuation consistent over time. Full 100% anti-ghosting with NKRO ensures every key registers correctly even when many are held down at once.

Hot-Swap Installation

The PCB accepts both 3-pin and 5-pin switches so you can swap them in seconds without soldering. A rotary knob provides quick media or volume control and the keyboard offers three adjustable tilt angles for comfort. The Prussian Blue colourway is fixed and the key switches are tactile only, so buyers who want linear or clicky feel, wireless connectivity or a different layout will need another model.

How it compares

Measured against everything we stock in Keyboards for PC Gaming, at today’s prices. Recalculated every night.

Price $45.99
Cheaper than about 75% of the 3,966 comparable items (median $68.99).

Specifications

Product
Brand nameRedragon
Product lineSKY81
Model nameSKY81
StyleGaming
Keyboard colorBlack
Mouse colorBlack
Performance
Tracking technologyTouch Scroll
Connectivity
Keyboard connectionUSB
Power
Power typeLithium-ion Rechargeable Battery
Run timeUSB, false
Size & build
Main materialPlastic
Function key count12
Keyboard switchesTactile
Switch typeTactile
Compatibility
Requirements1 USB Port
In the box
In the boxUSB Cable
More details
Button count5

Questions about this item

How quiet is the gasket-mounted 75% keyboard with 5-layer sound padding during all-day typing?

The gasket structure and five internal foam layers absorb vibration and hollow resonance, giving a soft, even and creamy sound profile suited to long sessions.

Which switch sockets does the hot-swappable PCB accept for customisation?

The board supports both 3-pin and 5-pin mechanical switches, so you can swap in any compatible MX-style switch without soldering.

Does the USB wired connection and NKRO work on older Windows or Mac machines?

Yes, the keyboard only needs one USB port and delivers 100% anti-ghosting with full NKRO on both Windows and Mac systems.

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