Hardware Spec Index

Zephyra GX-3990 Pro 32GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3990-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index42,475 (Graphics Cards scale)
Category rank#288
Street price$2,109
Power410 W (TGP)
Performance per dollar20.14
Released2019

Specifications

BrandZephyra
ModelZephyra GX-3990 Pro
Video memory32 GB GDDR6
Memory bus512-bit
Memory speed20 Gbps
Memory bandwidth1,280 GB/s
Shader units18,304
Boost clock1,797 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)410 W
Power connectors3× 8-pin PCIe
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3.5-slot, 323 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3990 Pro 32GB GDDR6 Graphics Card”, https://vextor7.com/item/3461608 (accessed 2026-10-19).