Hardware Spec Index

Zephyra GX-3421 Prime 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3421-PRIME · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index40,981 (Graphics Cards scale)
Category rank#47,647
Street price$1,839
Power410 W (TGP)
Performance per dollar22.28
Released2024

Specifications

BrandZephyra
ModelZephyra GX-3421 Prime
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed18 Gbps
Memory bandwidth864 GB/s
Shader units18,304
Boost clock2,554 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)410 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3.5-slot, 334 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 4K GamingGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingPCIe 5.0 Explained

Similar Graphics Cards

ModelBenchmarkPriceCompare
Kyndral GX-5491 Core 32GB GDDR6 Graphics Card42,560$2,499Compare
Zephyra GX-1253 Max 8GB GDDR6 Graphics Card16,980$329Compare
Veltrix GX-6339 Ti 8GB GDDR6 Graphics Card22,444$619Compare
Kyndral GX-9995 Prime 12GB GDDR6 Graphics Card28,892$929Compare
Kyndral GX-5753 Core 32GB GDDR6 Graphics Card43,173$2,359Compare
Zephyra GX-4371 XT 16GB GDDR6 Graphics Card19,916$449Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-3421 Prime 24GB GDDR6 Graphics Card”, https://vextor7.com/item/8413 (accessed 2026-10-19).