Hardware Spec Index

Kyndral GX-4121 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4121-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index37,348 (Graphics Cards scale)
Category rank#29,635
Street price$1,969
Power395 W (TGP)
Performance per dollar18.97
Released2020

Specifications

BrandKyndral
ModelKyndral GX-4121 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units17,664
Boost clock1,988 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)395 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 323 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4121 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/8206967 (accessed 2026-10-22).