Hardware Spec Index

Tessarix PX-4956 SE M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4956-SE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index5,241 (PCIe Cards & NVMe Enclosures scale)
Category rank#1,595
Street price$379
Power6 W
Performance per dollar13.83
Released2019

Specifications

BrandTessarix
ModelTessarix PX-4956 SE
TypeM.2 NVMe to PCIe 4.0 x4 Adapter
Host interfacePCIe 4.0 x4 (passive)
ThroughputUp to 7,500 MB/s (drive-limited)
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 ExplainedUSB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Tessarix PX-2607 Prime USB 3.2 Gen 2x2 NVMe Enclosure3,656$199Compare
Tessarix PX-2172 Plus Quad M.2 PCIe 4.0 x16 Card2,072$59Compare
Tessarix PX-2685 XT USB 3.2 Gen 2x2 NVMe Enclosure3,128$119Compare
Strivon PX-5328 Pro Thunderbolt 5 NVMe Enclosure4,922$329Compare
Altrix PX-8571 Edge Thunderbolt 5 NVMe Enclosure3,922$229Compare
Altrix PX-6754 Ultra PCIe 4.0 x16 Riser Cable4,173$229Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4956 SE M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/1118366 (accessed 2026-10-20).