Tessarix PX-4420 Pro USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4420-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index	4,559 (PCIe Cards & NVMe Enclosures scale)
Category rank	#32,472
Street price	$279
Power	8 W
Performance per dollar	16.34
Released	2026

Brand	Tessarix
Model	Tessarix PX-4420 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
Tessarix PX-5561 XT M.2 NVMe to PCIe 4.0 x4 Adapter	1,557	$39	Compare
Tessarix PX-9398 Pro USB 3.2 Gen 2x2 NVMe Enclosure	3,638	$189	Compare
Altrix PX-4111 Ti USB 3.2 Gen 2 NVMe Enclosure	3,171	$109	Compare
Strivon PX-5099 Pro PCIe 4.0 x16 Riser Cable	2,379	$99	Compare
Altrix PX-5275 XT Quad M.2 PCIe 4.0 x16 Card	4,594	$279	Compare
Altrix PX-8509 Edge Dual M.2 PCIe Switch Card	4,501	$239	Compare

Cite this page: Hardware Spec Index, “Tessarix PX-4420 Pro USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/5869302 (accessed 2026-10-22).