Altrix PX-6738 Ultra USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX6738-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index	3,417 (PCIe Cards & NVMe Enclosures scale)
Category rank	#1,797
Street price	$139
Power	8 W
Performance per dollar	24.58
Released	2024

Brand	Altrix
Model	Altrix PX-6738 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
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Strivon PX-3859 Plus PCIe 4.0 x16 Riser Cable	807	$19	Compare
Strivon PX-9973 Ti PCIe 4.0 x16 Riser Cable	4,168	$259	Compare
Altrix PX-5508 Ultra Quad M.2 PCIe 4.0 x16 Card	3,404	$199	Compare

Cite this page: Hardware Spec Index, “Altrix PX-6738 Ultra USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/6844152 (accessed 2026-10-21).