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XFX Speedster MERC 310 Radeon RX 7900 XTX triple-fan graphics card in black, 2.9-slot design

XFX

XFX RX-79XMERCB9 Radeon RX 7900 XTX 24GB GDDR6 graphics card

SKU CH-D27W-WFRE8 MPN RX-79XMERCB9

Refurbished triple-fan Radeon card with 24GB GDDR6 on a 384-bit bus, 6144 stream processors and a 2615 MHz boost clock, supporting four displays via HDMI 2.1 and three DisplayPort 2.1 outputs

  • InterfacePCI Express 4.0 x16
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 7000 Series
  • GPURadeon RX 7900 XTX
  • Core Clock1885 MHz
  • Game Clock2455 MHz
  • 24GB GDDR6 memory handles 4K and 8K textures with ease
  • Boost clock up to 2615 MHz drives high frame rates in demanding titles
  • 6144 stream processors accelerate compute-heavy workloads and gaming alike
  • PCI Express 4.0 x16 interface delivers full bandwidth to modern platforms
  • HDMI 2.1 and three DisplayPort 2.1 outputs support up to four high-refresh displays

Refurbished Radeon RX 7900 XTX 24GB

The XFX Speedster MERC310 is a refurbished graphics card built around the AMD Radeon RX 7900 XTX GPU. It delivers 24GB of GDDR6 memory across a 384-bit interface with 6144 stream processors. The card targets enthusiasts who want high frame rates at 4K resolution in modern titles. A triple-fan cooler manages the 327W thermal design power.

Upgrade path from earlier 7000 Series cards

Moving to this model from a lower-tier Radeon RX 7000 Series card adds 24GB of memory and a 2615 MHz boost clock. The jump is worth it when workloads exceed 16GB VRAM or when 4K gaming demands higher sustained clocks. The PCI Express 4.0 x16 interface matches existing platforms, so no motherboard change is required for the upgrade.

Build fit: power, space and display connectivity

The 344 mm length and 2.9-slot width demand a spacious case and clear airflow path. An 850W power supply is recommended to feed the 327W TDP. One HDMI 2.1 and three DisplayPort 2.1 outputs drive up to four monitors at 7680 x 4320 resolution. The card occupies a single PCIe x16 slot and leaves other expansion slots free.

Highlights

  • 24GB GDDR6 memory handles 4K and 8K textures with ease
  • Boost clock up to 2615 MHz drives high frame rates in demanding titles
  • 6144 stream processors accelerate compute-heavy workloads and gaming alike
  • PCI Express 4.0 x16 interface delivers full bandwidth to modern platforms
  • HDMI 2.1 and three DisplayPort 2.1 outputs support up to four high-refresh displays

Specifications

BrandXFX
SeriesSPEEDSTER MERC310
ModelRX-79XMERCB9
InterfacePCI Express 4.0 x16
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 7000 Series
GPURadeon RX 7900 XTX
Core Clock1885 MHz
Game Clock2455 MHz
Boost Clock2615 MHz
Stream Processors6144
Effective Memory Clock20000 MHz (20 Gbps)
Memory Size24GB
Memory Interface384-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 2.1
ColorBlack
Max Resolution7680 x 4320
CoolerTriple Fans
Thermal Design Power327W
Recommended PSU Wattage850W
Max GPU Length344 mm
Card Dimensions (L x H)13.54" x 5.04" x 2.24"
Slot Width2.9 Slots
Shipping weight2.66 kg
Package size457 × 235 × 125 mm

Questions about this item

Will the 344 mm length and 2.9 slot width fit in my case?

The card measures 344 mm long and occupies 2.9 slots, so verify your chassis clearance and motherboard spacing before ordering.

Which power connectors does the MERC310 cooler require for installation?

Connect two 8 pin PCIe power cables directly from the PSU; using a single daisy chained cable is the step most builders get wrong.

How often should I clean the triple fan heatsink on this 327 W card?

Remove dust from the three fans and fin stack every 6 to 12 months to maintain the thermal headroom needed for the 2615 MHz boost clock.

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