Hardware Spec Index

Altrix PX-8639 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX8639-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index2,740 (PCIe Cards & NVMe Enclosures scale)
Category rank#38,517
Street price$109
Power6 W
Performance per dollar25.14
Released2019

Specifications

BrandAltrix
ModelAltrix PX-8639 Ultra
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
Strivon PX-2190 Prime M.2 NVMe to PCIe 4.0 x4 Adapter2,902$119Compare
Strivon PX-7847 SE M.2 NVMe to PCIe 4.0 x4 Adapter1,490$39Compare
Veltrix PX-4362 Max M.2 NVMe to PCIe 4.0 x4 Adapter2,045$69Compare
Veltrix PX-2684 Plus Quad M.2 PCIe 4.0 x16 Card5,483$369Compare
Altrix PX-1339 Ti Quad M.2 PCIe 5.0 x16 Card5,293$309Compare
Altrix PX-9532 Plus USB 3.2 Gen 2 NVMe Enclosure4,690$299Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-8639 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/5345829 (accessed 2026-10-22).