Hardware Spec Index

Tessarix PX-5581 SE Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX5581-SE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index2,639 (PCIe Cards & NVMe Enclosures scale)
Category rank#42,917
Street price$109
Power12 W
Performance per dollar24.21
Released2022

Specifications

BrandTessarix
ModelTessarix PX-5581 SE
TypeQuad M.2 PCIe 4.0 x16 Card
Host interfacePCIe 4.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~7,000 MB/s
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingPassive heatsink
Bus powerSlot-powered
CompatibilityUEFI boot supported; check slot bifurcation

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Cite this page: Hardware Spec Index, “Tessarix PX-5581 SE Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/9201575 (accessed 2026-10-21).