Hardware Spec Index

Altrix PX-2781 Plus M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX2781-PLUS · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index2,584 (PCIe Cards & NVMe Enclosures scale)
Category rank#2,634
Street price$109
Power6 W
Performance per dollar23.71
Released2020

Specifications

BrandAltrix
ModelAltrix PX-2781 Plus
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
Tessarix PX-4352 Max M.2 NVMe to PCIe 4.0 x4 Adapter2,434$89Compare
Tessarix PX-3260 Ti USB 3.2 Gen 2x2 NVMe Enclosure2,252$89Compare
Altrix PX-8761 Plus Quad M.2 PCIe 5.0 x16 Card5,058$359Compare
Altrix PX-8333 Pro PCIe 4.0 x16 Riser Cable1,451$39Compare
Strivon PX-9854 Pro Dual M.2 PCIe Switch Card5,145$389Compare
Veltrix PX-6947 XT USB4 40Gbps NVMe Enclosure4,874$289Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-2781 Plus M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/30002738 (accessed 2026-10-20).