Hardware Spec Index

Tessarix PX-5865 Prime M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX5865-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index5,487 (PCIe Cards & NVMe Enclosures scale)
Category rank#41,650
Street price$329
Power6 W
Performance per dollar16.68
Released2019

Specifications

BrandTessarix
ModelTessarix PX-5865 Prime
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
Altrix PX-3498 Core PCIe 5.0 x16 Riser Cable3,912$229Compare
Tessarix PX-8655 Ti PCIe 4.0 x16 Riser Cable2,426$89Compare
Tessarix PX-2446 XT PCIe 4.0 x16 Riser Cable1,936$59Compare
Tessarix PX-3020 XT PCIe 4.0 x16 Riser Cable881$19Compare
Tessarix PX-7385 XT USB4 40Gbps NVMe Enclosure3,402$139Compare
Veltrix PX-1966 Prime USB4 40Gbps NVMe Enclosure4,579$319Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-5865 Prime M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/10728554 (accessed 2026-10-23).