Hardware Spec Index

Tessarix PX-4949 XT USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4949-XT · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index5,038 (PCIe Cards & NVMe Enclosures scale)
Category rank#13,717
Street price$329
Power8 W
Performance per dollar15.31
Released2023

Specifications

BrandTessarix
ModelTessarix PX-4949 XT
TypeUSB4 40Gbps NVMe Enclosure
Host interfaceUSB4 (40Gbps), Thunderbolt 3/4 compatible
ThroughputUp to 3,800 MB/s
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingAluminum shell, thermal pad
Bus powerYes (bus-powered)
CompatibilityWindows, macOS, Linux; UASP

Related guides

NVMe SSDs ExplainedUSB4 ExplainedM.2 SSD Sizes and KeysPCIe Lanes ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Altrix PX-1007 Ultra Dual M.2 PCIe Switch Card4,763$299Compare
Altrix PX-6295 Pro USB4 40Gbps NVMe Enclosure2,901$99Compare
Tessarix PX-6909 Plus PCIe 4.0 x16 Riser Cable4,346$259Compare
Altrix PX-4966 Prime Dual M.2 PCIe Switch Card4,866$339Compare
Strivon PX-9159 SE USB 3.2 Gen 2 NVMe Enclosure1,399$29Compare
Tessarix PX-3517 SE Quad M.2 PCIe 4.0 x16 Card3,279$179Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4949 XT USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/17136381 (accessed 2026-10-25).