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Sapphire Radeon RX 7900 GRE graphics card, three-slot aluminium frame, dual BIOS switch visible

Sapphire Tech

Sapphire Tech Radeon RX 7900 GRE 16GB GDDR6 Ultra Platinum OC graphics card

SKU CH-S99B-B6MBY

A graphics card with 5120 stream processors, 16 GB GDDR6 memory and 64 MB cache for 4K gaming at 7680×4320 resolution

  • GPURadeon RX 7900 XT
  • Memory TypeGDDR6
  • 16GB GDDR6 memory on a 256-bit bus enables smooth 4K gaming
  • 5120 stream processors across 80 compute units deliver high raster and ray-tracing throughput
  • 64MB Infinite Cache reduces VRAM bandwidth pressure in heavy scenes
  • Dual BIOS with TriXX software switch lets you toggle performance profiles
  • PCIe 4.0 x16 interface plus HDMI and DisplayPort 2.1 drive up to four 7680×4320 displays

16GB GDDR6 for 4K gaming

The Sapphire Tech Radeon RX 7900 GRE carries 16GB of GDDR6 memory on a 256-bit bus with 64MB of Infinite Cache. It targets enthusiasts who want high-frame-rate 4K gameplay and content creators driving up to four displays at 7680×4320 resolution.

Dual-BIOS and triple-slot cooling

A triple-slot aluminium alloy frame houses dual ball-bearing fans and a vapour-chamber base to move heat away from the 5nm GPU. The card draws power through PCIe 4.0 x16 and offers a dual UEFI BIOS switch so users can toggle between performance and quiet profiles without software.

TriXX software and display flexibility

Sapphire TriXX software lets owners adjust clock speeds, fan curves and RGB lighting from the desktop. Two HDMI ports and two DisplayPort 2.1a connectors support mixed multi-monitor setups, while the dual BIOS provides a fallback profile for stability testing.

Highlights

  • 16GB GDDR6 memory on a 256-bit bus enables smooth 4K gaming
  • 5120 stream processors across 80 compute units deliver high raster and ray-tracing throughput
  • 64MB Infinite Cache reduces VRAM bandwidth pressure in heavy scenes
  • Dual BIOS with TriXX software switch lets you toggle performance profiles
  • PCIe 4.0 x16 interface plus HDMI and DisplayPort 2.1 drive up to four 7680×4320 displays

Specifications

GPURadeon RX 7900 XT
Memory TypeGDDR6

Questions about this item

How do I install the card in a PCIe 4.0 x16 slot and what step is often missed?

Seat the card fully in the PCIe 4.0 x16 slot, secure the three-slot bracket with screws, then attach the required power cables; the step many miss is selecting the desired Dual UEFI BIOS position before powering on.

What maintenance will the cooling system need over time?

The Dual Ball Bearing fans are rated for long life, but dust should be cleared from the heatsink fins and fan blades periodically using compressed air to maintain airflow across the 64MB Infinite Cache and VRM areas.

What thermal or power limit appears first during extended 4K gaming?

Sustained 4K loads will hit the card's power and thermal ceiling first, causing the boost algorithm to reduce clocks once the 320 mm long, 61.57 mm thick cooler saturates.

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