Hardware Spec Index

Tessarix PX-6401 Ultra Quad M.2 PCIe 5.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX6401-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index5,414 (PCIe Cards & NVMe Enclosures scale)
Category rank#33,754
Street price$329
Power12 W
Performance per dollar16.46
Released2025

Specifications

BrandTessarix
ModelTessarix PX-6401 Ultra
TypeQuad M.2 PCIe 5.0 x16 Card
Host interfacePCIe 5.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~14,000 MB/s
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingHeatsink + 40 mm fan
Bus powerSlot-powered
CompatibilityUEFI boot supported; check slot bifurcation

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Cite this page: Hardware Spec Index, “Tessarix PX-6401 Ultra Quad M.2 PCIe 5.0 x16 Card”, https://vextor7.com/item/1808680 (accessed 2026-10-24).