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XFX
XFX SPEEDSTER MERC310 Radeon RX 7900 XT graphics card RX-79TMERCB9
A refurbished graphics card with 20GB GDDR6 memory, 5376 stream processors and a boost clock of 2560 MHz for high-resolution gaming and multi-monitor setups
- InterfacePCI Express 4.0 x16
- Chipset ManufacturerAMD
- GPU SeriesAMD Radeon RX 7000 Series
- GPURadeon RX 7900 XT
- Core Clock1500 MHz
- Game Clock2200 MHz
- 20GB GDDR6 memory enables high-resolution texture workloads
- 5376 stream processors deliver parallel compute throughput
- Boost clock reaches 2560 MHz for peak gaming frequency
- Triple-fan cooler manages 290W thermal design power
- HDMI 2.1 plus three DisplayPort 1.4 outputs drive four 7680×4320 displays
XFX SPEEDSTER MERC310 Radeon RX 7900 XT
The XFX SPEEDSTER MERC310 Radeon RX 7900 XT is a refurbished graphics card built for gamers and creators who need high frame rates at 4K resolution. It uses the AMD RDNA 3 architecture with 5376 stream processors and a 320-bit memory bus. The card connects through a PCI Express 4.0 x16 slot and supports up to four displays via one HDMI 2.1 and three DisplayPort 1.4 outputs.
Sustained load behaviour with triple-fan cooler
A triple-fan thermal solution manages the 290 watt thermal design power during extended gaming or rendering sessions. The boost clock reaches 2560 MHz while the game clock sits at 2200 MHz, allowing the GPU to maintain higher frequencies for longer periods. An 800 watt power supply is recommended to keep the system stable under continuous heavy workloads.
20GB GDDR6 decides 4K texture headroom
The 20GB GDDR6 frame buffer connected over a 320-bit interface determines whether this card can hold the largest texture packs and geometry datasets at 7680 x 4320 resolution. If your workflow or favourite titles regularly exceed 16GB of video memory, this capacity prevents swapping to system RAM. If they stay below that threshold, a smaller buffer would deliver similar frame rates.
Highlights
- 20GB GDDR6 memory enables high-resolution texture workloads
- 5376 stream processors deliver parallel compute throughput
- Boost clock reaches 2560 MHz for peak gaming frequency
- Triple-fan cooler manages 290W thermal design power
- HDMI 2.1 plus three DisplayPort 1.4 outputs drive four 7680×4320 displays
Specifications
| Brand | XFX |
|---|---|
| Series | SPEEDSTER MERC310 |
| Model | RX-79TMERCB9 |
| Interface | PCI Express 4.0 x16 |
| Chipset Manufacturer | AMD |
| GPU Series | AMD Radeon RX 7000 Series |
| GPU | Radeon RX 7900 XT |
| Core Clock | 1500 MHz |
| Game Clock | 2200 MHz |
| Boost Clock | 2560 MHz |
| Stream Processors | 5376 |
| Memory Size | 20GB |
| Memory Interface | 320-Bit |
| Memory Type | GDDR6 |
| DirectX | DirectX 12 Ultimate |
| OpenGL | OpenGL 4.6 |
| Multi-Monitor Support | 4 |
| HDMI | 1 x HDMI 2.1 |
| DisplayPort | 3 x DisplayPort 1.4 |
| Max Resolution | 7680 x 4320 |
| Cooler | Triple Fans |
| Thermal Design Power | 290W |
| Recommended PSU Wattage | 800W |
| Max GPU Length | 344 mm |
| Slot Width | 3 Slots |
| Shipping weight | 2.50 kg |
| Package size | 445 × 235 × 125 mm |
Questions about this item
How much power does the 290W TDP card draw and what PSU do I need for all-day loads?
The thermal design power is 290W and the manufacturer recommends an 800W supply for sustained operation.
My motherboard only has PCI Express 4.0 x16 — will the RX-79TMERCB9 run at full speed?
Yes, the card uses a PCI Express 4.0 x16 interface so it matches your slot exactly.
Will the triple-fan cooler and 3-slot width fit next to my older PCIe cards in a standard ATX case?
The card occupies three slots and measures 344 mm long, so verify case clearance and adjacent slot spacing before installing.
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