Hardware Spec Index

Zephyra GX-3420 Ultra 24GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX3420-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index34,867 (Graphics Cards scale)
Category rank#48,548
Street price$1,269
Power340 W (TGP)
Performance per dollar27.48
Released2024

Specifications

BrandZephyra
ModelZephyra GX-3420 Ultra
Video memory24 GB GDDR6X
Memory bus384-bit
Memory speed19 Gbps
Memory bandwidth912 GB/s
Shader units14,720
Boost clock1,909 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)340 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 308 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3420 Ultra 24GB GDDR6X Graphics Card”, https://vextor7.com/item/105146 (accessed 2026-10-21).