Tessarix PX-3443 Ultra USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX3443-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index	3,853 (PCIe Cards & NVMe Enclosures scale)
Category rank	#10,749
Street price	$189
Power	8 W
Performance per dollar	20.39
Released	2024

Brand	Tessarix
Model	Tessarix PX-3443 Ultra
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
Tessarix PX-4258 Pro Quad M.2 PCIe 4.0 x16 Card	4,158	$239	Compare
Altrix PX-5951 XT USB 3.2 Gen 2 NVMe Enclosure	2,433	$79	Compare
Altrix PX-9732 Plus USB 3.2 Gen 2x2 NVMe Enclosure	1,640	$39	Compare
Strivon PX-3271 SE M.2 NVMe to PCIe 4.0 x4 Adapter	2,523	$89	Compare
Altrix PX-5473 SE Quad M.2 PCIe 4.0 x16 Card	5,183	$319	Compare
Altrix PX-2628 Prime PCIe 4.0 x16 Riser Cable	2,559	$89	Compare

Cite this page: Hardware Spec Index, “Tessarix PX-3443 Ultra USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/85639853 (accessed 2026-10-19).