Hardware Spec Index

Tessarix PX-8959 Prime Quad M.2 PCIe 5.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8959-PRIME · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index4,668 (PCIe Cards & NVMe Enclosures scale)
Category rank#3,271
Street price$329
Power12 W
Performance per dollar14.19
Released2025

Specifications

BrandTessarix
ModelTessarix PX-8959 Prime
TypeQuad M.2 PCIe 5.0 x16 Card
Host interfacePCIe 5.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~14,000 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 5.0 ExplainedUSB4 ExplainedThunderbolt 5 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Veltrix PX-6397 Plus Quad M.2 PCIe 4.0 x16 Card4,776$269Compare
Altrix PX-4756 Prime Dual M.2 PCIe Switch Card4,252$249Compare
Veltrix PX-3120 Ti PCIe 4.0 x16 Riser Cable2,032$59Compare
Tessarix PX-7863 Plus PCIe 5.0 x16 Riser Cable2,099$59Compare
Veltrix PX-2869 Max Dual M.2 PCIe Switch Card4,065$199Compare
Tessarix PX-7112 Edge PCIe 4.0 x16 Riser Cable937$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8959 Prime Quad M.2 PCIe 5.0 x16 Card”, https://vextor7.com/item/4640754 (accessed 2026-10-19).