Veltrix PX-2638 Ultra USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Veltrix · SKU PX2638-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index	5,246 (PCIe Cards & NVMe Enclosures scale)
Category rank	#4,411
Street price	$349
Power	8 W
Performance per dollar	15.03
Released	2024

Brand	Veltrix
Model	Veltrix PX-2638 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
Strivon PX-1314 Ultra Dual M.2 PCIe Switch Card	5,034	$299	Compare
Veltrix PX-8024 Edge Dual M.2 PCIe Switch Card	5,204	$309	Compare
Tessarix PX-9603 Ti Quad M.2 PCIe 4.0 x16 Card	3,003	$149	Compare
Tessarix PX-8359 Ultra Dual M.2 PCIe Switch Card	4,715	$339	Compare
Altrix PX-8194 Plus PCIe 4.0 x16 Riser Cable	1,877	$59	Compare
Veltrix PX-8592 Ti M.2 NVMe to PCIe 4.0 x4 Adapter	839	$19	Compare

Cite this page: Hardware Spec Index, “Veltrix PX-2638 Ultra USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/32639631 (accessed 2026-10-24).