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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

  • InterfacePCI Express 4.0
  • Chipset ManufacturerIntel
  • GPU SeriesIntel Arc A-Series
  • GPUArc A770
  • Stream Processors4096
  • Memory Size8GB
  • 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.

Pontos fortes

  • 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

Especificações

BrandGUNNIR
SeriesA770 Photon
ModelA770 Photon 8G OC W
InterfacePCI Express 4.0
Chipset ManufacturerIntel
GPU SeriesIntel Arc A-Series
GPUArc A770
Stream Processors4096
Memory Size8GB
Memory Interface256-Bit
Memory TypeGDDR6
DirectXDirectX 12
OpenGLOpenGL 4.6
HDMI1 x HDMI 2.0
DisplayPort3 x DisplayPort 2.0
Max Resolution7680 x 4320
CoolerTriple Fans
Thermal Design Power195W
FeaturesXe Super Sampling (XeSS), Intel Deep Link, AV1 Hardware Encoding, DirectX 12 Ultimate
Max GPU Length300 mm
Card Dimensions (L x H)300mm x 118.5mm
Slot Width50

Perguntas sobre este artigo

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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