Hardware Spec Index

Altrix PX-3891 Prime Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX3891-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index4,966 (PCIe Cards & NVMe Enclosures scale)
Category rank#11,560
Street price$319
Power6 W
Performance per dollar15.57
Released2022

Specifications

BrandAltrix
ModelAltrix PX-3891 Prime
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
Tessarix PX-5433 Max M.2 NVMe to PCIe 4.0 x4 Adapter2,287$69Compare
Altrix PX-7950 Plus Quad M.2 PCIe 5.0 x16 Card5,194$359Compare
Veltrix PX-2227 Pro USB4 40Gbps NVMe Enclosure3,524$189Compare
Veltrix PX-8672 Ti Dual M.2 PCIe Switch Card4,727$259Compare
Tessarix PX-5041 Plus Dual M.2 PCIe Switch Card3,754$189Compare
Strivon PX-9456 Ultra Dual M.2 PCIe Switch Card3,212$159Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-3891 Prime Dual M.2 PCIe Switch Card”, https://vextor7.com/item/91668566 (accessed 2026-10-23).