arkivoAPI

Gaming / Keyboards

Razer BlackWidow V4 Low-profile Tenkeyless HyperSpeed
Form factor
TKL
Switch sensing technology
Low-profile mechanical
Connections
USB (wired), 2.4 GHz, Bluetooth
Max polling rate
4,000Hz

82 of 164 fields known.

At a glance

  • Battery life, lighting off

    980h

    Higher than 75% of other keyboards.

All specs

SourceCalculated

General

Model numbers
RZ03-05450200-R3U11Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-tenkeyless-hyperspeed/RZ03-05450200-R3U1Read 5 October 2026Exact Black US reference with Yellow low-profile linear switches.
GTIN / EAN
Not available
Announced
14 August 20255Press releaserazer.com/newsroom/product-news/razer-unveils-the-blackwidow-v4-low-profile-lineRead 5 October 2026
Status
Not available
Predecessor
Not available
Successor
Not available
Launch price (EU)
Not available
Markets
US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-tenkeyless-hyperspeed/RZ03-05450200-R3U1Read 5 October 2026
Sold as
Complete1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-tenkeyless-hyperspeed/RZ03-05450200-R3U1Read 5 October 2026

Layout

Form factor
TKL1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-tenkeyless-hyperspeed/RZ03-05450200-R3U1Read 5 October 2026
Layout standard
ANSI2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILETENKEYLESSHYPERSPEED-00000724-en.pdfRead 5 October 2026
Keys in regional layout
872Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILETENKEYLESSHYPERSPEED-00000724-en.pdfRead 5 October 2026Counted in complete US ANSI device-layout drawing: standard 87-key TKL or 104-key full-size typing/function block. Separate media, macro, battery and AI buttons and roller are excluded.
Navigation keys
Full2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILETENKEYLESSHYPERSPEED-00000724-en.pdfRead 5 October 2026
Bottom row
Not available

Switches

Switch sensing technology
Low-profile mechanical1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-tenkeyless-hyperspeed/RZ03-05450200-R3U1Read 5 October 2026
Actuation force
40gf4Maker product pagerazer.com/technology/razer-low-profile-mechanical-switchRead 5 October 2026Exact low-profile switch comparison: Yellow 40 g, Green 45 g. No full-height Gen-3 force copied.
Bottom-out force
Not available
Tactile bump force
Not available
Actuation point
1.2mm4Maker product pagerazer.com/technology/razer-low-profile-mechanical-switchRead 5 October 2026Exact low-profile comparison gives 1.2 mm for Yellow and Green.
Adjustable actuation
Not available
Actuation range
Not available
Actuation step
Not available
Per-key actuation
Not available
Rapid trigger
Not available
Minimum rapid trigger movement
Not available
Multi-action keys
Not available
Analog input
Not available
Compatible switches
Not available
Stabilizers
Not available

Keycaps

Keycap profile
Not available
Keycap thickness
Not available
Shine-through legends
Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-tenkeyless-hyperspeedRead 5 October 2026

Performance

Polling rate per connection
ConnectionPolling rate (Hz)Receiver or adapter
2.4 GHz1,000Included Razer HyperSpeed Wireless dongle
2.4 GHz4,000Optional Razer HyperPolling Wireless Dongle
Max polling rate
4,000Hz
Polling rate (wired)
Not available
Polling rate (2.4 GHz)
4,000Hz
Polling rate (Bluetooth)
Not available
Scan rate
Not available
Input latency (claimed)
Not available
Key rollover per connection
Not available
Anti-ghosting
Not available
Adjustable debounce
Not available
Minimum debounce
Not available

Measured

We could not find any of these 7 fields. Show them
Latency per connection (measured)
Not available
Actuation point (measured)
Not available
Total travel (measured)
Not available
Operating force (measured)
Not available
Typing noise (measured)
Not available
Battery life (measured)
Not available
Weight (measured)
Not available

Connectivity

Bluetooth
Not available
Devices it can switch between
Not available
Wireless range
Not available
Cable
Not available
Cable length
Not available
Works with
Not available
Consoles
Not available

Battery

Number of batteries
Not available
Battery capacity
Not available
User-replaceable battery
Not available
Battery life per mode (claimed)
LightingHours (h)
Off980
Longest battery life (claimed)
980h
Battery life, lighting off
980h
Battery life, lighting on
Not available
Battery life, backlight on (claimed)
Not available
Battery life, backlight off (claimed)
Not available
Full charge time
Not available
Quick charge
Not available
Solar charging
Not available

Build

Flex cuts in PCB
Not available
Sound dampening
Case foam, Plate foam1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-tenkeyless-hyperspeed/RZ03-05450200-R3U1Read 5 October 2026Exact shop table names PCB and case foam. The model-specific exploded view identifies the upper layer as plate foam and lower layer as case foam.
Typing angles
Not available
Spill resistant
Not available
IP rating
Not available

Lighting

LED position
Not available
Lighting zones
Not available
Brightness levels
Not available
Side or underglow lighting
Not available
Lighting sensors
Not available

Controls

Media keys
Dedicated2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILETENKEYLESSHYPERSPEED-00000724-en.pdfRead 5 October 2026
Separate media buttons
12Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILETENKEYLESSHYPERSPEED-00000724-en.pdfRead 5 October 2026TKL has one dedicated multifunction playback button. Mute is the roller press and is excluded.
Programmable knob
Not available
Knob press
Not available
Built-in screen
Not available
Touchpad
Not available
Fingerprint reader
Not available
OS mode switch
Not available

Software

Open firmware
Not available
Macros stored onboard
Not available
User firmware updates
Not available

Ergonomics

Wrist rest material
Not available
Tenting
Not available
Tenting angles
Not available

Dimensions and weight

Dimensions
Front height18.5mm5Press releaserazer.com/newsroom/product-news/razer-unveils-the-blackwidow-v4-low-profile-lineRead 5 October 2026Launch release explicitly says 18.5 mm front height. This is not maximum keyboard height and does not establish width or depth.
Dimensions with wrist rest
Not available
Keyboard weight
Not available
Weight including wrist rest
Not available
Box dimensions
Not available
Box weight
Not available

Certifications

We could not find any of these 2 fields. Show them
Platform certifications
Not available
Other certifications
Not available

In the box

In the box
Razer BlackWidow V4 Low-profile Tenkeyless HyperSpeed, Razer HyperSpeed Wireless Dongle + USB dongle adapter, USB Type A to Type C cable, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILETENKEYLESSHYPERSPEED-00000724-en.pdfRead 5 October 2026Exact-model What is inside section. No optional HyperPolling dongle included.
Spare switches
Not available

Warranty

Manufacturer warranty (source market)
2years2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILETENKEYLESSHYPERSPEED-00000724-en.pdfRead 5 October 2026Exact-model manual shows a 2-year warranty badge, US reference.

Compare with

Pick a keyboard to see both side by side. Differences are marked yellow.

More keyboard comparisons

Sources

We read 7 sources for this keyboard. The numbers match the markers in the sheet.

  1. Read 5 October 2026Backs 27 fields
  2. Read 5 October 2026Backs 34 fields
  3. Read 5 October 2026Backs 7 fields
  4. Read 5 October 2026Backs 6 fields
  5. Read 5 October 2026Backs 2 fields
  6. Read 5 October 2026Backs 2 fields
  7. Read 5 October 2026Backs 1 field

See a wrong value? Tell us and name the field.