Hardware Spec Index

Strivon PX-8631 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Strivon · SKU PX8631-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,044 (PCIe Cards & NVMe Enclosures scale)
Category rank#19,048
Street price$19
Power6 W
Performance per dollar54.95
Released2021

Specifications

BrandStrivon
ModelStrivon PX-8631 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
Veltrix PX-2609 Pro PCIe 4.0 x16 Riser Cable1,932$49Compare
Strivon PX-8542 Ultra Quad M.2 PCIe 5.0 x16 Card5,452$399Compare
Altrix PX-1747 Core USB 3.2 Gen 2 NVMe Enclosure3,116$129Compare
Strivon PX-6301 Pro USB4 40Gbps NVMe Enclosure4,145$239Compare
Tessarix PX-1406 Core Dual M.2 PCIe Switch Card4,456$259Compare
Veltrix PX-5151 Ultra Quad M.2 PCIe 4.0 x16 Card4,358$249Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Strivon PX-8631 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/4154968 (accessed 2026-10-21).