Hardware Spec Index

Nexora GX-2643 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX2643-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index29,311 (Graphics Cards scale)
Category rank#33,259
Street price$1,029
Power305 W (TGP)
Performance per dollar28.48
Released2021

Specifications

BrandNexora
ModelNexora GX-2643 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units12,672
Boost clock1,924 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)305 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 294 mm

Related guides

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Cite this page: Hardware Spec Index, “Nexora GX-2643 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/1079488 (accessed 2026-10-21).