Hardware Spec Index

Altrix PX-5881 SE Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX5881-SE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index5,168 (PCIe Cards & NVMe Enclosures scale)
Category rank#18,272
Street price$329
Power6 W
Performance per dollar15.71
Released2025

Specifications

BrandAltrix
ModelAltrix PX-5881 SE
TypeDual M.2 PCIe Switch Card
Host interfacePCIe 4.0 x8 with onboard PCIe switch (no bifurcation needed)
ThroughputUp to 14,000 MB/s aggregate
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingPassive heatsink
Bus powerSlot-powered
CompatibilityUEFI boot supported; check slot bifurcation

Related guides

NVMe SSDs ExplainedPCIe Lanes ExplainedUSB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Strivon PX-4222 Ti USB4 40Gbps NVMe Enclosure4,890$309Compare
Tessarix PX-7034 Edge M.2 NVMe to PCIe 4.0 x4 Adapter990$19Compare
Altrix PX-9427 XT PCIe 4.0 x16 Riser Cable2,451$99Compare
Strivon PX-4872 Prime M.2 NVMe to PCIe 4.0 x4 Adapter2,384$69Compare
Veltrix PX-2655 XT Quad M.2 PCIe 4.0 x16 Card4,513$279Compare
Altrix PX-7502 Core PCIe 4.0 x16 Riser Cable1,542$39Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-5881 SE Dual M.2 PCIe Switch Card”, https://vextor7.com/item/3224593 (accessed 2026-10-20).