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ASRock

ASRock RX6950XT OCF 16G graphics card

SKU CH-HB5F-HT918 MPN RX6950XT OCF 16G

Refurbished Radeon RX 6950 XT with 16 GB GDDR6, dual BIOS reaching 2495 MHz boost, triple-fan cooler and 335 W TDP

  • InterfacePCI Express 4.0
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 6000 Series
  • GPURadeon RX 6950 XT
  • ArchitectureRDNA 2
  • Core ClockGPU Clock P BIOS: 2143 MHz GPU Clock Q BIOS: 1890 MHz
  • 16 GB GDDR6 memory at 18 Gbps for high-resolution textures
  • Boost clock up to 2495 MHz in P BIOS for peak gaming speed
  • Triple-fan cooler with 0 dB silent mode for quiet operation
  • Dual BIOS with P and Q profiles for flexible performance tuning
  • PCIe 4.0 interface and HDMI 2.1 for modern display connectivity

16GB GDDR6 RDNA 2 GPU

The ASRock RX6950XT OCF 16G is a Radeon RX 6950 XT graphics card built on the RDNA 2 architecture with 16GB of GDDR6 memory across a 256-bit bus. It targets enthusiasts who want high-frame-rate 1440p or entry-level 4K gaming and need the headroom of 18 Gbps effective memory speed. The PCI Express 4.0 interface and 5120 stream processors provide the throughput for modern DirectX 12 Ultimate titles. Dual BIOS lets users choose between two factory profiles without flashing firmware.

Dual BIOS clock behaviour under load

The card ships with two BIOS positions labelled P and Q that define distinct clock envelopes. In P BIOS the boost clock reaches up to 2495 MHz and the game clock up to 2279 MHz, while Q BIOS tops out at 2310 MHz boost and 2100 MHz game clock. Under sustained workloads the higher P profile will draw more power and generate more heat, so the triple-fan cooler must dissipate up to 335 W continuously. Selecting Q BIOS trades peak frequency for lower thermal output during long sessions.

Triple-fan cooler and three 8-pin power inputs

A triple-fan design with striped axial fans and an all-metal cover moves air across a large heatsink while the 0dB silent cooling mode stops the fans at low temperatures. Three 8-pin PCIe power connectors feed the 335 W TDP, requiring a 1000 W power supply. The 332 mm length and 13.07 inch height dictate case clearance, and the rear bracket offers one HDMI 2.1 plus three DisplayPort 1.4 outputs for up to four 7680 x 4320 displays.

Points forts

  • 16 GB GDDR6 memory at 18 Gbps for high-resolution textures
  • Boost clock up to 2495 MHz in P BIOS for peak gaming speed
  • Triple-fan cooler with 0 dB silent mode for quiet operation
  • Dual BIOS with P and Q profiles for flexible performance tuning
  • PCIe 4.0 interface and HDMI 2.1 for modern display connectivity

Caractéristiques

BrandASRock
SeriesOC Formula
ModelRX6950XT OCF 16G
InterfacePCI Express 4.0
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 6000 Series
GPURadeon RX 6950 XT
ArchitectureRDNA 2
Core ClockGPU Clock P BIOS: 2143 MHz
GPU Clock Q BIOS: 1890 MHz
Game ClockGPU Clock P BIOS: Up to 2279 MHz
GPU Clock Q BIOS: Up to 2100 MHz
Boost ClockGPU Clock P BIOS: Up to 2495 MHz
GPU Clock Q BIOS: Up to 2310 MHz
Stream Processors5120
Effective Memory Clock18 Gbps
Memory Size16GB
Memory Interface256-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 1.4
Max Resolution7680 x 4320
CoolerTriple Fans
Thermal Design Power335W
Recommended PSU Wattage1000W
Power Connector3 x 8-Pin
HDCP ReadyYes
FeaturesPolychrome SYNC OC Formula 3X Cooling System Striped Axial Fan 2.0 All-Metal Cover Dual BIOS 0dB Silent Cooling Super Alloy Graphics Card
Max GPU Length332 mm
Card Dimensions (L x H)13.07" x 5.39"
Slot Width3 Slots
Poids d’expédition0.45 kg
Dimensions du colis25 × 25 × 25 mm

Questions sur cet article

How loud and hot does the triple-fan cooler run at the 335W TDP during all-day loads?

The 3X Cooling System with Striped Axial Fan 2.0 and 0dB Silent Cooling stops the fans at light load; under sustained 335W draw the triple fans spin up to move heat through the all-metal cover, keeping the Radeon RX 6950 XT within its thermal limits.

Which power connectors and PSU wattage must my build already provide for this card?

You need a power supply rated for at least 1000W with three available 8-pin PCIe power cables to feed the card's 335W TDP.

Will the PCI Express 4.0 interface and 332 mm length work in my older PCIe 3.0 case and motherboard?

The card fits a 332 mm slot and runs at PCIe 4.0 speeds; it is backward compatible with PCIe 3.0 motherboards, though bandwidth drops to 3.0 levels.

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