Hardware Spec Index

Zephyra GX-8558 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX8558-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index26,974 (Graphics Cards scale)
Category rank#25,846
Street price$889
Power285 W (TGP)
Performance per dollar30.34
Released2022

Specifications

BrandZephyra
ModelZephyra GX-8558 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed19 Gbps
Memory bandwidth608 GB/s
Shader units11,648
Boost clock1,903 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)285 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 279 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8558 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/8669601 (accessed 2026-10-26).