Hardware Spec Index

Zephyra GX-3908 Ultra 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3908-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index40,382 (Graphics Cards scale)
Category rank#33,926
Street price$1,779
Power390 W (TGP)
Performance per dollar22.70
Released2019

Specifications

BrandZephyra
ModelZephyra GX-3908 Ultra
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed16 Gbps
Memory bandwidth768 GB/s
Shader units17,280
Boost clock2,235 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)390 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3-slot, 326 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3908 Ultra 24GB GDDR6 Graphics Card”, https://vextor7.com/item/94519059 (accessed 2026-10-25).