Hardware Spec Index

Zephyra GX-8421 SE 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8421-SE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index36,730 (Graphics Cards scale)
Category rank#44,533
Street price$1,849
Power370 W (TGP)
Performance per dollar19.86
Released2023

Specifications

BrandZephyra
ModelZephyra GX-8421 SE
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units16,384
Boost clock1,779 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)370 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 318 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8421 SE 16GB GDDR6 Graphics Card”, https://vextor7.com/item/10201675 (accessed 2026-10-19).