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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

  • Graphics processorArc A770
  • Memory capacity8 GB
  • Interface typePCI Express 4.0
  • Shader units4096
  • Highest resolution7680 × 4320
  • Type of memoryGDDR6
  • 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.

How it compares

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

Price $264.99
Cheaper than about 62% 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
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

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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