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 2026-10-24

Key facts

Benchmark index5,270 (PCIe Cards & NVMe Enclosures scale)
Category rank#14,235
Street price$369
Power12 W
Performance per dollar14.28
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
CoolingPassive heatsink
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-9117 XT USB 3.2 Gen 2x2 NVMe Enclosure4,431$239Compare
Veltrix PX-2522 SE PCIe 4.0 x16 Riser Cable666$19Compare
Tessarix PX-6865 Edge PCIe 5.0 x16 Riser Cable4,100$219Compare
Veltrix PX-6524 Prime M.2 NVMe to PCIe 4.0 x4 Adapter1,937$59Compare
Strivon PX-8877 SE USB 3.2 Gen 2 NVMe Enclosure675$19Compare
Tessarix PX-7742 XT M.2 NVMe to PCIe 4.0 x4 Adapter3,078$119Compare

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/11210399 (accessed 2026-10-24).