GUNNIR
GUNNIR Intel Arc A770 Photon 8G OC W graphics card
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.
Points forts
- 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
Caractéristiques
| Brand | GUNNIR |
|---|---|
| Series | A770 Photon |
| Model | A770 Photon 8G OC W |
| Interface | PCI Express 4.0 |
| Chipset Manufacturer | Intel |
| GPU Series | Intel Arc A-Series |
| GPU | Arc A770 |
| Stream Processors | 4096 |
| Memory Size | 8GB |
| Memory Interface | 256-Bit |
| Memory Type | GDDR6 |
| DirectX | DirectX 12 |
| OpenGL | OpenGL 4.6 |
| HDMI | 1 x HDMI 2.0 |
| DisplayPort | 3 x DisplayPort 2.0 |
| Max Resolution | 7680 x 4320 |
| Cooler | Triple Fans |
| Thermal Design Power | 195W |
| Features | Xe Super Sampling (XeSS), Intel Deep Link, AV1 Hardware Encoding, DirectX 12 Ultimate |
| Max GPU Length | 300 mm |
| Card Dimensions (L x H) | 300mm x 118.5mm |
| Slot Width | 50 |
Questions sur cet article
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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