Hardware Spec Index

Zephyra GX-6421 SE 32GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX6421-SE · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index38,968 (Graphics Cards scale)
Category rank#36,161
Street price$1,889
Power380 W (TGP)
Performance per dollar20.63
Released2021

Specifications

BrandZephyra
ModelZephyra GX-6421 SE
Video memory32 GB GDDR6X
Memory bus512-bit
Memory speed21 Gbps
Memory bandwidth1,344 GB/s
Shader units16,768
Boost clock2,067 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)380 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 312 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6421 SE 32GB GDDR6X Graphics Card”, https://vextor7.com/item/3762328 (accessed 2026-10-26).