Hardware Spec Index

Tessarix PX-9645 Ultra Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9645-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index2,895 (PCIe Cards & NVMe Enclosures scale)
Category rank#519
Street price$129
Power12 W
Performance per dollar22.44
Released2020

Specifications

BrandTessarix
ModelTessarix PX-9645 Ultra
TypeQuad M.2 PCIe 4.0 x16 Card
Host interfacePCIe 4.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~7,000 MB/s
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 ExplainedPCIe 4.0 vs PCIe 5.0USB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Veltrix PX-5041 XT USB 3.2 Gen 2 NVMe Enclosure1,435$29Compare
Veltrix PX-5737 Ti M.2 NVMe to PCIe 4.0 x4 Adapter1,384$39Compare
Altrix PX-3211 SE USB 3.2 Gen 2 NVMe Enclosure1,179$29Compare
Veltrix PX-8777 Core USB 3.2 Gen 2 NVMe Enclosure4,267$299Compare
Tessarix PX-7373 Prime PCIe 5.0 x16 Riser Cable3,468$159Compare
Strivon PX-2175 SE USB 3.2 Gen 2 NVMe Enclosure1,391$39Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-9645 Ultra Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/6785696 (accessed 2026-10-21).