Tessarix PX-9994 Pro USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9994-PRO · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index	5,047 (PCIe Cards & NVMe Enclosures scale)
Category rank	#27,722
Street price	$359
Power	8 W
Performance per dollar	14.06
Released	2022

Brand	Tessarix
Model	Tessarix PX-9994 Pro
Type	USB4 40Gbps NVMe Enclosure
Host interface	USB4 (40Gbps), Thunderbolt 3/4 compatible
Throughput	Up to 3,800 MB/s
Drive support	M.2 NVMe 2230 / 2242 / 2260 / 2280
Cooling	Aluminum shell, thermal pad
Bus power	Yes (bus-powered)
Compatibility	Windows, macOS, Linux; UASP

Model	Benchmark	Price	Compare
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Tessarix PX-4875 Max USB 3.2 Gen 2 NVMe Enclosure	3,269	$159	Compare
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Strivon PX-5306 Ti Quad M.2 PCIe 5.0 x16 Card	5,362	$389	Compare
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Cite this page: Hardware Spec Index, “Tessarix PX-9994 Pro USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/9499669 (accessed 2026-10-26).