Hardware Spec Index

Altrix PX-2991 SE M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX2991-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index894 (PCIe Cards & NVMe Enclosures scale)
Category rank#16,503
Street price$19
Power6 W
Performance per dollar47.05
Released2021

Specifications

BrandAltrix
ModelAltrix PX-2991 SE
TypeM.2 NVMe to PCIe 4.0 x4 Adapter
Host interfacePCIe 4.0 x4 (passive)
ThroughputUp to 7,500 MB/s (drive-limited)
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingHeatsink + 40 mm fan
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
Altrix PX-1309 Prime PCIe 4.0 x16 Riser Cable1,292$29Compare
Strivon PX-6972 Ultra Dual M.2 PCIe Switch Card5,404$379Compare
Altrix PX-1099 Ultra Dual M.2 PCIe Switch Card4,735$309Compare
Veltrix PX-6035 Plus Quad M.2 PCIe 4.0 x16 Card5,600$389Compare
Tessarix PX-7677 Max USB 3.2 Gen 2 NVMe Enclosure2,891$99Compare
Veltrix PX-9809 XT PCIe 4.0 x16 Riser Cable1,096$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-2991 SE M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/17894100 (accessed 2026-10-20).