Hardware Spec Index

Kyndral GX-4321 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX4321-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index34,304 (Graphics Cards scale)
Category rank#34,880
Street price$1,429
Power345 W (TGP)
Performance per dollar24.01
Released2022

Specifications

BrandKyndral
ModelKyndral GX-4321 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed19 Gbps
Memory bandwidth608 GB/s
Shader units14,976
Boost clock1,894 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)345 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 297 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4321 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/48756658 (accessed 2026-10-20).