Hardware Spec Index

Kyndral GX-4377 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4377-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index24,997 (Graphics Cards scale)
Category rank#38,530
Street price$629
Power245 W (TGP)
Performance per dollar39.74
Released2023

Specifications

BrandKyndral
ModelKyndral GX-4377 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units9,600
Boost clock2,131 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)245 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 271 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-4377 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/85634138 (accessed 2026-10-19).