Hardware Spec Index

Tessarix PX-8478 Ultra Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8478-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index2,438 (PCIe Cards & NVMe Enclosures scale)
Category rank#27,574
Street price$89
Power12 W
Performance per dollar27.39
Released2026

Specifications

BrandTessarix
ModelTessarix PX-8478 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
Tessarix PX-7715 Ti PCIe 4.0 x16 Riser Cable831$19Compare
Tessarix PX-9855 Pro Dual M.2 PCIe Switch Card5,600$399Compare
Tessarix PX-5053 Plus Quad M.2 PCIe 4.0 x16 Card4,306$259Compare
Tessarix PX-3257 SE Dual M.2 PCIe Switch Card3,746$179Compare
Tessarix PX-4849 Edge PCIe 5.0 x16 Riser Cable3,800$209Compare
Tessarix PX-4176 SE M.2 NVMe to PCIe 4.0 x4 Adapter1,010$19Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8478 Ultra Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/3586829 (accessed 2026-10-25).