Altrix PX-7556 Pro USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX7556-PRO · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index	3,875 (PCIe Cards & NVMe Enclosures scale)
Category rank	#30,278
Street price	$209
Power	8 W
Performance per dollar	18.54
Released	2026

Brand	Altrix
Model	Altrix PX-7556 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
Tessarix PX-4251 Plus PCIe 4.0 x16 Riser Cable	4,322	$209	Compare
Strivon PX-9966 Edge M.2 NVMe to PCIe 4.0 x4 Adapter	5,152	$329	Compare
Strivon PX-5222 Ti USB 3.2 Gen 2 NVMe Enclosure	5,147	$299	Compare
Altrix PX-1748 Prime USB 3.2 Gen 2x2 NVMe Enclosure	3,136	$149	Compare
Altrix PX-5494 Core Thunderbolt 5 NVMe Enclosure	3,848	$219	Compare
Tessarix PX-7627 Core USB 3.2 Gen 2x2 NVMe Enclosure	1,812	$59	Compare

Cite this page: Hardware Spec Index, “Altrix PX-7556 Pro USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/27363306 (accessed 2026-10-24).