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

XFX Refurbished

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

  • Graphics processorRadeon RX 7800 XT
  • Memory capacity16 GB
  • Interface typePCI Express 4.0 x16
  • Shader units3840
  • Highest resolution7680 × 4320
  • Boost frequency2565 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.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $353.99
Typical for this category: the median of 4,285 items is $354.99.
Memory capacity 16 GB
Higher than about 80% of the 3,563 comparable items (median 8 GB).
Boost frequency 2565 MHz
Higher than about 73% of the 1,837 comparable items (median 1.89 GHz).

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Specifications

Product
Brand nameXFX
Product lineSPEEDSTER MERC319
Model nameRX-78TMERCB9
Processor
TDP rating236 W
Memory
Type of memoryGDDR6
Display
Highest resolution7680 × 4320
Graphics
Graphics processorRadeon RX 7800 XT
Memory capacity16 GB
Boost frequency2565 MHz
Shader units3840
Core frequency1624 MHz
Chipset makerAMD
Graphics seriesAMD Radeon RX 7000 Series
Game clock speed2254 MHz
Memory bus width256-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
Ports & slots
Interface typePCI Express 4.0 x16
HDMI ports1 x HDMI 2.1
DisplayPort connectors3 x DisplayPort 2.1
Power
Recommended power supply700 W
Size & build
Form factorATX
Max graphics card length326 mm
Slots occupied2.75 Slots
Shipping weight2.04 kg
Package size446 × 224 × 126 mm
More details
Cooling solutionTriple Fans

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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