Hardware Spec Index

Zephyra GX-2818 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX2818-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index23,616 (Graphics Cards scale)
Category rank#30,054
Street price$649
Power250 W (TGP)
Performance per dollar36.39
Released2021

Specifications

BrandZephyra
ModelZephyra GX-2818 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units9,728
Boost clock2,403 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)250 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 272 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-2818 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/14839802 (accessed 2026-10-24).