Hardware Spec Index

Zephyra GX-4128 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX4128-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index30,611 (Graphics Cards scale)
Category rank#18,254
Street price$1,199
Power390 W (TGP)
Performance per dollar25.53
Released2025

Specifications

BrandZephyra
ModelZephyra GX-4128 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units12,928
Boost clock2,880 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)390 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 297 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4128 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/19906692 (accessed 2026-10-26).