Veltrix PX-3959 Pro USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Veltrix · SKU PX3959-PRO · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index	4,647 (PCIe Cards & NVMe Enclosures scale)
Category rank	#30,592
Street price	$309
Power	8 W
Performance per dollar	15.04
Released	2025

Brand	Veltrix
Model	Veltrix PX-3959 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
Strivon PX-5737 Ti USB 3.2 Gen 2x2 NVMe Enclosure	3,358	$169	Compare
Veltrix PX-3811 Edge USB 3.2 Gen 2 NVMe Enclosure	2,619	$109	Compare
Veltrix PX-4614 Ti M.2 NVMe to PCIe 4.0 x4 Adapter	2,296	$89	Compare
Tessarix PX-3377 Ultra USB 3.2 Gen 2 NVMe Enclosure	2,683	$99	Compare
Altrix PX-6093 Pro Quad M.2 PCIe 4.0 x16 Card	4,136	$259	Compare
Veltrix PX-2659 Core Dual M.2 PCIe Switch Card	4,614	$269	Compare

Cite this page: Hardware Spec Index, “Veltrix PX-3959 Pro USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/517844 (accessed 2026-10-20).