Razer BlackWidow V4 75% Specs — Complete Technical Specifications

The Razer BlackWidow V4 75% is Razer’s enthusiast-tier 75% mechanical keyboard, blending gasket-mount construction, hot-swap PCB, and pre-lubed switches in a metal chassis. This page lists the complete published specifications for model RZ03-04970 across performance, connectivity, physical dimensions, lighting, software, and box contents. For the full hands-on impressions, see our in-depth Razer BlackWidow V4 75% review.

Overall rating: 9.2 / 10

Performance

Layout	75% (81 keys)
Switch type	Razer Mechanical Yellow (linear), pre-lubed
Actuation force	45 g
Total travel	3.5 mm
Hot-swap	Yes — supports 3-pin and 5-pin MX-style switches
Polling rate	Up to 8,000 Hz (HyperPolling)
N-key rollover	Full NKRO with anti-ghosting
Onboard memory	5 profiles

Build and Sound

Mount type	Gasket mount
Plate	FR4
Top case	Aluminum
Sound dampening	EVA foam + Poron + silicone bottom layer
Stabilizers	Pre-lubed plate-mount
Keycaps	Doubleshot ABS, side-printed legends
Profile	Razer profile (low-profile sculpted)

Lighting and Controls

Backlighting	Per-key Razer Chroma RGB (16.8M colors)
Multi-function dial	Yes (volume, scroll, custom)
Macro keys	Programmable via any key
Media controls	Function-layer + dial

Connectivity

Connection	Wired only
Cable	Detachable USB-C to USB-A, braided, ~1.8 m
USB passthrough	No
Wireless	N/A — see V4 Pro 75% for wireless variant

Physical

Dimensions (W × D × H)	327 × 138 × 41 mm
Weight	~1,025 g (without cable)
Color options	Black, White

Software and Compatibility

Software	Razer Synapse 4 (Windows 10/11)
Mac compatibility	Yes — basic input only, no Synapse
Linux compatibility	Plug-and-play USB HID, no software customization

In the Box

• Razer BlackWidow V4 75% keyboard
• Detachable USB-C to USB-A braided cable
• Keycap and switch puller (combo tool)
• Quick start guide and warranty card

Warranty

2-year limited manufacturer warranty (Razer).

Where to Buy

See Also

• Razer BlackWidow V4 75% — full review and verdict
• Best 75% mechanical keyboards in 2026