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

GUNNIR

GUNNIR Intel Arc A770 Photon 8G OC graphics card

SKU CH-E51K-WAZ1E

PCIe 4.0 graphics card with 8GB GDDR6, 4096 stream processors, triple 90mm fans and 3×DisplayPort 2.0 plus HDMI 2.0

  • InterfacePCI Express 4.0
  • Chipset ManufacturerIntel
  • GPU SeriesIntel Arc A-Series
  • GPUArc A770
  • Stream Processors4096
  • Memory Size8GB
  • Intel Arc A770 GPU with 32 Xe cores drives high-frame-rate gaming
  • 8 GB GDDR6 on a 256-bit bus delivers 512 GB/s bandwidth for 4K textures
  • Triple 90 mm fans cool a 285 W board within a 300 mm length
  • One HDMI 2.0 plus three DisplayPort 2.0 outputs support 7680 × 4320 resolution
  • Factory overclock to 2400 MHz boost clock lifts performance in DirectX 12 Ultimate titles

GUNNIR Arc A770 Photon 8G OC

The GUNNIR Intel Arc A770 Photon 8G OC is a PCIe 4.0 graphics card built for 1440p gaming and AV1 content creation. It pairs 4096 stream processors across 32 Xe cores with 8GB of 256-bit GDDR6 memory running at 16 Gbps. A factory overclock pushes the maximum GPU frequency to 2400 MHz for higher sustained clocks in demanding titles.

Sustained load behaviour at 195W PL1

Under continuous load the card operates at a 195W processor base power limit with a 6+4 phase power delivery fed by dual 8-pin connectors. The 512 GB/s memory bandwidth and 2400 MHz boost clock are maintained through extended sessions thanks to the triple 90mm fan cooler moving air across a full-length heatsink. DirectX 12 Ultimate and XeSS support keep frame rates stable during long rendering or gaming workloads.

Thermals noise and 285W total board power

The total board power reaches 285W under typical gaming loads while the triple-fan array keeps core temperatures controlled without excessive acoustic output. Idle and light-use scenarios benefit from semi-passive fan stop behaviour common to this cooler design. Three DisplayPort 2.0 outputs and one HDMI 2.0 port drive displays up to 7680 x 4320 resolution for multi-monitor productivity setups.

Highlights

  • Intel Arc A770 GPU with 32 Xe cores drives high-frame-rate gaming
  • 8 GB GDDR6 on a 256-bit bus delivers 512 GB/s bandwidth for 4K textures
  • Triple 90 mm fans cool a 285 W board within a 300 mm length
  • One HDMI 2.0 plus three DisplayPort 2.0 outputs support 7680 × 4320 resolution
  • Factory overclock to 2400 MHz boost clock lifts performance in DirectX 12 Ultimate titles

Specifications

BrandGUNNIR
SeriesA770 Photon
ModelA770 Photon 8G OC
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

Questions about this item

How loud and hot does the triple-fan cooler run when the card draws 285 W all day?

The three 90 mm fans and 6+4 power phases are built to dissipate the 285 W total board power, so temperatures and noise stay controlled under sustained load.

My power supply only has a single 8-pin cable — will the dual 8-pin connectors on this card work?

The board requires two separate 8-pin connectors; a single cable with a daisy-chain pigtail cannot deliver the 285 W safely, so a PSU with two native 8-pin leads is needed.

Will the PCIe 4.0 x16 interface run at full speed on my older PCIe 3.0 motherboard?

The card is backward compatible with PCIe 3.0 slots; it will operate at 3.0 speeds with minimal impact on the 512 GB/s memory bandwidth for most workloads.

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