Description
Model90-GA57ZZ-00UANF
The ASRock Intel Arc A770 Challenger OC 16GB (Model 90-GA57ZZ-00UANF) is tailored for gamers and creators who want serious performance and modern features without the top-tier price premium. Powered by Intel’s Xe HPG microarchitecture, the A770 offers 16 GB of GDDR6 memory on a 256-bit bus, a GPU clock of up to 2150 MHz, and support for features like AI-driven upscaling (XeSS) and hardware AV1 encode.
It comes with a dual-fan “Challenger” cooler featuring ASRock’s Striped Axial fan design, ultra-fit heat-pipes, and a metal backplate, delivering efficient thermal performance and quieter operation.
With full support for DisplayPort 2.0 and HDMI 2.1, plus pedigree for multi-view and high-resolution output (up to 7680×4320) the card is ready for high-refresh monitors, creator setups and future display tech.
This makes it a compelling choice for anyone building a high-end gaming rig or streaming/creation workstation.
Why It’s a Great Choice
This graphics card strikes a smart balance between performance, future-proofing and value. The Intel Arc A770 architecture offers strong capabilities for both gaming and creative workloads thanks to features like XeSS upscaling and AV1 encoding support — making it ideal if you’re streaming, editing or content-creating in addition to gaming. The 16 GB of GDDR6 on a 256-bit bus gives you VRAM headroom for high-res textures and multi-monitor workflows. The dual-fan cooler with metal backplate and 0dB idle mode offers quiet and efficient operation, while the modern connectivity (DisplayPort 2.0 and HDMI 2.1) ensures support for high refresh and future displays. All this wrapped in a reliable 3-year warranty. For gamers and creators looking for high-end features without going into flagship price territory, this is a very solid pick.
Specifications
| Category | Specification |
|---|---|
| Brand / Series | ASRock / Challenger OC |
| Model Number | 90-GA57ZZ-00UANF |
| GPU Architecture | Intel Arc A770 (Xe HPG) |
| GPU Clock | Up to 2150 MHz |
| Memory Size & Type | 16 GB GDDR6 |
| Memory Speed | ~17.5 Gbps |
| Memory Bus Width | 256-bit |
| Interface | PCI Express 4.0 x16 |
| Display Outputs | 3× DisplayPort 2.0 + 1× HDMI 2.1 |
| Power Connector | 2× 8-pin PCIe |
| Recommended PSU | ~650 W |
| Cooling Solution | Dual-fan cooler, striped axial fans, heat-pipe, metal backplate |
| Dimensions | 271 × 132 × 48 mm approx (2.4-slot) |
| Net Weight | ~785 g |
| Maximum Resolution | Up to 7680×4320 |
| Extra Features | AI Upscaling (XeSS), AV1 hardware encode |
| Warranty | 3 Year |







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