Hardware Spec Index

Tessarix PX-4865 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4865-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,567 (PCIe Cards & NVMe Enclosures scale)
Category rank#39,434
Street price$39
Power6 W
Performance per dollar40.18
Released2020

Specifications

BrandTessarix
ModelTessarix PX-4865 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-7181 XT Quad M.2 PCIe 5.0 x16 Card5,452$369Compare
Tessarix PX-8230 Edge M.2 NVMe to PCIe 4.0 x4 Adapter2,544$99Compare
Tessarix PX-3249 Pro M.2 NVMe to PCIe 4.0 x4 Adapter1,115$19Compare
Altrix PX-7263 Ti Thunderbolt 5 NVMe Enclosure4,172$219Compare
Altrix PX-7850 Pro Quad M.2 PCIe 5.0 x16 Card5,600$399Compare
Tessarix PX-8097 SE USB 3.2 Gen 2x2 NVMe Enclosure4,197$229Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4865 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/8972178 (accessed 2026-10-20).