Hardware Spec Index

Zephyra GX-2421 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX2421-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index18,078 (Graphics Cards scale)
Category rank#24,750
Street price$459
Power200 W (TGP)
Performance per dollar39.39
Released2021

Specifications

BrandZephyra
ModelZephyra GX-2421 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units7,168
Boost clock1,999 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)200 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 247 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-2421 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/588630 (accessed 2026-10-22).