Graphics CardsXFX

XFX AMD Radeon RX 7900 XT Speedster MERC 310 20GB Graphics Card

MPN: RX-79TMERCU9

Key specifications

ChipsetRX 7900 XT

VRAM20 GB GB

Memory typeGDDR6

Length344 mm

Slot widthUnknown

Min PSU750 W

Best indexed price

£751.92GBP

Indexed 16 Mar 2026 — verify at retailer. How we get prices

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eBay UK£751.92

Indexed 16 Mar 2026New · seller scancomputers_int

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Fit check

344mm length — check your case's max GPU clearance.

750W minimum PSU recommended by manufacturer.

Check against your build

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Full Specifications38 fields

Additional Information

Model Number

RX-79TMERCU9

Gtin

840191500671

Cooling

Included Backplate

Yes

Cores & Clocks

Streams

5376

Core Clock

1775 MHz

Boost Clock

2535 MHz

I/O & Connectivity

Interface

PCIe 4.0

Connectivity

1 x DisplayPort 1.4 2 x DisplayPort 2.1 1 x HDMI 2.1

Key Specifications

Chipset

Radeon RX 7900 XT

Edition

Speedster MERC 310

Manufacturing Process

5 nm

Microarchitecture

RDNA 3

Physical

Width

2.7 Slot

Low Profile Support

N/A

Dimensions

344 x 128 x 55 mm

Package Type

Retail

Power & Thermals

Graphics Card Power Connectors

2 x 8-pin PCIe

Tdp

Minimum Recommended Psu

750 W

Maximum Gpu Temperature

Video Memory (VRAM)

Vram Size

20GB

Memory Type

GDDR6

Memory Clock

20000 MHz

Memory Speed Effective With Ddr

Memory Bus

320 Bit

Memory Bandwidth

Memory Data Rate

Visuals

Amd Crossfire Support

Amd Freesync Support

Yes

Hdr Support

Yes

Microsoft Directx Support

12 API

Max Concurrent Displays

4 Displays

Maximum Digital Resolution

7680x4320 (8K UHD)

Maximum Analog Vga Resolution

General

Solution

Tri Fan (3)

Peak Half Precision Compute Performance Fp16

Peak Single Precision Compute Performance Fp32

Peak Double Precision Compute Performance Fp64

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