Altrix PX-8640 Pro USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX8640-PRO · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index	4,961 (PCIe Cards & NVMe Enclosures scale)
Category rank	#11,985
Street price	$309
Power	8 W
Performance per dollar	16.06
Released	2026

Brand	Altrix
Model	Altrix PX-8640 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
Veltrix PX-2854 XT M.2 NVMe to PCIe 4.0 x4 Adapter	1,552	$39	Compare
Tessarix PX-9154 Plus USB4 40Gbps NVMe Enclosure	3,017	$129	Compare
Altrix PX-5812 Plus Quad M.2 PCIe 4.0 x16 Card	3,320	$189	Compare
Veltrix PX-1027 Ti Quad M.2 PCIe 4.0 x16 Card	4,792	$339	Compare
Altrix PX-6521 Core Dual M.2 PCIe Switch Card	3,063	$129	Compare
Altrix PX-3909 Ultra USB4 40Gbps NVMe Enclosure	3,722	$209	Compare

Cite this page: Hardware Spec Index, “Altrix PX-8640 Pro USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/16138317 (accessed 2026-10-18).