Hardware Spec Index

Tessarix PX-3948 Prime M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX3948-PRIME · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index2,837 (PCIe Cards & NVMe Enclosures scale)
Category rank#6,994
Street price$119
Power6 W
Performance per dollar23.84
Released2019

Specifications

BrandTessarix
ModelTessarix PX-3948 Prime
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
Altrix PX-3092 Core USB 3.2 Gen 2x2 NVMe Enclosure2,912$129Compare
Tessarix PX-6887 Max Dual M.2 PCIe Switch Card4,614$289Compare
Strivon PX-5716 Ti USB 3.2 Gen 2 NVMe Enclosure3,147$139Compare
Altrix PX-1774 Ti Quad M.2 PCIe 4.0 x16 Card4,339$229Compare
Veltrix PX-7854 Plus M.2 NVMe to PCIe 4.0 x4 Adapter2,888$109Compare
Veltrix PX-7879 Pro M.2 NVMe to PCIe 4.0 x4 Adapter1,084$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-3948 Prime M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/8053111 (accessed 2026-10-25).