Hardware Spec Index

Tessarix PX-5951 Pro M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX5951-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index871 (PCIe Cards & NVMe Enclosures scale)
Category rank#25,691
Street price$19
Power6 W
Performance per dollar45.84
Released2020

Specifications

BrandTessarix
ModelTessarix PX-5951 Pro
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
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
Strivon PX-5420 Core Quad M.2 PCIe 4.0 x16 Card4,948$309Compare
Veltrix PX-7520 Core M.2 NVMe to PCIe 4.0 x4 Adapter1,493$49Compare
Tessarix PX-3273 Max M.2 NVMe to PCIe 4.0 x4 Adapter725$19Compare
Veltrix PX-3937 Edge PCIe 4.0 x16 Riser Cable3,134$129Compare
Strivon PX-3105 Prime M.2 NVMe to PCIe 4.0 x4 Adapter864$19Compare
Tessarix PX-1082 Pro PCIe 5.0 x16 Riser Cable2,446$89Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-5951 Pro M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/21829985 (accessed 2026-10-25).