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XFX Speedster MERC319 Radeon RX 7800 XT graphics card, triple-fan cooler, matte black finish, metal backplate

XFX

XFX RX-78TMERCB9 Radeon RX 7800 XT graphics card

SKU CH-C6SG-WKXZX MPN RX-78TMERCB9

Refurbished AMD Radeon RX 7800 XT graphics card with 16 GB GDDR6 memory, 3840 stream processors, boost clock of 2565 MHz, triple-fan cooler and 1 HDMI 2.1 plus 3 DisplayPort 2.1 outputs

  • InterfacePCI Express 4.0 x16
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 7000 Series
  • GPURadeon RX 7800 XT
  • Core Clock1624 MHz
  • Game Clock2254 MHz
  • 16 GB GDDR6 memory handles large textures at 4K
  • Boost clock up to 2565 MHz drives high frame rates
  • 3840 stream processors accelerate compute and shading workloads
  • HDMI 2.1 and three DisplayPort 2.1 outputs support up to four 8K displays
  • Triple-fan cooler on a 326 mm ATX card keeps thermals in check

Refurbished Radeon RX 7800 XT for 1440p gaming

This refurbished XFX SPEEDSTER MERC319 card delivers a Radeon RX 7800 XT GPU with 3840 stream processors and 16GB of GDDR6 memory on a 256-Bit interface. It targets enthusiasts who want high-refresh 1440p performance and headroom for 4K gaming in a pre-owned unit. The triple-fan cooler handles a 236W thermal design power under load.

Check PSU capacity case length and slot width

Verify your power supply meets the 700W recommendation and provides the necessary PCIe connectors for a 236W board. The card measures 326 mm long and occupies 2.75 slots, so confirm chassis clearance and motherboard spacing before ordering. A PCI Express 4.0 x16 slot is required for full bandwidth.

Suits 1440p high-refresh

Ideal for builders upgrading to 16GB VRAM for modern titles at 1440p ultra or playable 4K settings with a sufficient power supply and ATX case. Systems with smaller cases, limited PSU wattage or only PCI Express 3.0 slots should consider a shorter lower-power alternative.

Highlights

  • 16 GB GDDR6 memory handles large textures at 4K
  • Boost clock up to 2565 MHz drives high frame rates
  • 3840 stream processors accelerate compute and shading workloads
  • HDMI 2.1 and three DisplayPort 2.1 outputs support up to four 8K displays
  • Triple-fan cooler on a 326 mm ATX card keeps thermals in check

Specifications

BrandXFX
SeriesSPEEDSTER MERC319
ModelRX-78TMERCB9
InterfacePCI Express 4.0 x16
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 7000 Series
GPURadeon RX 7800 XT
Core Clock1624 MHz
Game Clock2254 MHz
Boost Clock2565 MHz
Stream Processors3840
Memory Size16GB
Memory Interface256-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 2.1
Max Resolution7680 x 4320
CoolerTriple Fans
Thermal Design Power236W
Recommended PSU Wattage700W
Form FactorATX
Max GPU Length326 mm
Slot Width2.75 Slots
Shipping weight2.04 kg
Package size446 × 224 × 126 mm

Questions about this item

What comes in the box and what must I buy separately?

The refurbished graphics card is supplied in its packaging. You will need to provide a power supply rated at 700 W and cables with two 8-pin PCIe connectors.

How do I decide between the clock speeds shown for this card?

The core clock is 1624 MHz, the game clock is 2254 MHz and the boost clock reaches 2565 MHz; the game clock represents typical gaming frequency while boost is the maximum single-core peak.

What does the 236 W power rating mean once the card is installed?

The board draws up to 236 W under load, so your PSU must deliver 700 W and the case must accommodate a 326 mm long, 2.75-slot thick triple-fan cooler.

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