Hardware Spec Index

Tessarix PX-4956 Pro Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4956-PRO · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index4,740 (PCIe Cards & NVMe Enclosures scale)
Category rank#23,421
Street price$269
Power12 W
Performance per dollar17.62
Released2024

Specifications

BrandTessarix
ModelTessarix PX-4956 Pro
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-8809 Ti USB4 40Gbps NVMe Enclosure4,667$309Compare
Veltrix PX-3336 Edge USB 3.2 Gen 2 NVMe Enclosure5,600$399Compare
Altrix PX-3956 SE M.2 NVMe to PCIe 4.0 x4 Adapter2,965$139Compare
Altrix PX-3983 Ti PCIe 4.0 x16 Riser Cable1,887$59Compare
Tessarix PX-6056 XT USB 3.2 Gen 2 NVMe Enclosure4,579$299Compare
Strivon PX-2110 Ti M.2 NVMe to PCIe 4.0 x4 Adapter1,362$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4956 Pro Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/9603892 (accessed 2026-10-21).