Altrix PX-3817 Ultra USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX3817-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index	4,106 (PCIe Cards & NVMe Enclosures scale)
Category rank	#48,314
Street price	$199
Power	8 W
Performance per dollar	20.63
Released	2025

Brand	Altrix
Model	Altrix PX-3817 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
Veltrix PX-7529 Plus PCIe 4.0 x16 Riser Cable	2,879	$119	Compare
Veltrix PX-9260 Pro PCIe 4.0 x16 Riser Cable	2,920	$109	Compare
Altrix PX-9112 Edge USB 3.2 Gen 2 NVMe Enclosure	1,880	$59	Compare
Veltrix PX-7956 Core PCIe 4.0 x16 Riser Cable	2,260	$79	Compare
Veltrix PX-1047 Max Dual M.2 PCIe Switch Card	4,590	$269	Compare
Veltrix PX-1140 Pro M.2 NVMe to PCIe 4.0 x4 Adapter	2,130	$69	Compare

Cite this page: Hardware Spec Index, “Altrix PX-3817 Ultra USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/448431 (accessed 2026-10-23).