Hardware Spec Index

Zephyra GX-4521 Ultra 24GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX4521-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index36,017 (Graphics Cards scale)
Category rank#4,713
Street price$1,329
Power445 W (TGP)
Performance per dollar27.10
Released2025

Specifications

BrandZephyra
ModelZephyra GX-4521 Ultra
Video memory24 GB GDDR7
Memory bus384-bit
Memory speed28 Gbps
Memory bandwidth1,344 GB/s
Shader units15,360
Boost clock2,522 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)445 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 305 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4521 Ultra 24GB GDDR7 Graphics Card”, https://vextor7.com/item/93529185 (accessed 2026-10-26).