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White triple-fan graphics card with silver accents, 300 mm long

GUNNIR

GUNNIR Intel Arc A770 Photon 8G OC W graphics card

SKU CH-1ZJG-BRSME

Intel Arc A770 GPU with 4096 stream processors, 8GB 256-bit GDDR6 at 16 Gbps, triple 90mm fans, 1×HDMI 2.0 and 3×DisplayPort 2.0 outputs, up to 7680×4320 resolution, 285W board power, 300mm length

  • Graphics processorArc A770
  • Memory capacity8 GB
  • Interface typePCI Express 4.0
  • Shader units4096
  • Highest resolution7680 × 4320
  • Type of memoryGDDR6
  • Intel Arc A770 GPU with 4096 stream processors for high compute throughput
  • 8GB GDDR6 memory on a 256-bit bus delivering 512 GB/s bandwidth
  • XeSS upscaling and AV1 hardware encoding accelerate modern workloads
  • Triple 90mm fans cool a 285W board within a 300mm length
  • PCIe 4.0 interface with one HDMI 2.0 and three DisplayPort 2.0 outputs

Intel Arc A770 with 8 GB GDDR6

The GUNNIR A770 Photon 8G OC W is a PCI Express 4.0 graphics card built around the Intel Arc A770 GPU with 32 Xe cores and 4096 stream processors. It targets gamers and creators who need 8 GB of 256-bit GDDR6 memory running at 16 Gbps for 1440p gaming and AV1 hardware encoding workloads.

Triple 90 mm fan cooler and dual 8-pin power

A triple-fan thermal solution spans the 300 mm length of the card, while a 6+4 phase VRM draws power through two 8-pin connectors to support the factory overclock. The I/O bracket provides three DisplayPort 2.0 outputs and one HDMI 2.0 port, enabling multi-monitor setups at up to 7680 × 4320 resolution.

195 W TDP and 285 W total board power

The GPU carries a 195 W thermal design power with a total board power rating of 285 W, so the triple-fan array must dissipate significant heat under load. Expect audible fan ramp during sustained gaming or compute tasks, while idle noise remains low thanks to semi-passive operation at light workloads.

How it compares

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

Price $228.99
Cheaper than about 67% of the 4,285 comparable items (median $354.99).
Memory capacity 8 GB
Typical for this category: the median of 3,563 items is 8 GB.
Shader units 4096
Higher than about 70% of the 637 comparable items (median 2,560).

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Specifications

Product
Brand nameGUNNIR
Product lineA770 Photon
Model nameA770 Photon 8G OC W
Processor
TDP rating195 W
Memory
Type of memoryGDDR6
Display
Highest resolution7680 × 4320
Graphics
Graphics processorArc A770
Memory capacity8 GB
Shader units4096
Chipset makerIntel
Graphics seriesIntel Arc A-Series
Memory bus width256-Bit
DirectX support12
OpenGL support4.6
Ports & slots
Interface typePCI Express 4.0
HDMI ports1 x HDMI 2.0
DisplayPort connectors3 x DisplayPort 2.0
Size & build
Max graphics card length300 mm
Card size300 mm × 118.5 mm
Slots occupied50
More details
Cooling solutionTriple Fans

Questions about this item

What bandwidth does the PCIe 4.0 interface deliver on this card?

The PCIe 4.0 interface provides up to 512 GB/s of memory bandwidth for the 8 GB GDDR6 frame buffer.

What are the exact dimensions I need to clear in my case for the GUNNIR A770 Photon 8G OC W?

The card measures 300 mm long, 118.5 mm tall and 50 mm thick with a triple-fan cooler.

How do I connect power to the dual 8-pin sockets without tripping the 285 W board limit?

Plug two separate 8-pin cables from the PSU into the 6+4 phase VRM; avoid daisy-chain splitters so each connector carries its rated current.

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