Hardware Spec Index

Tessarix PX-8281 Ultra USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8281-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index3,565 (PCIe Cards & NVMe Enclosures scale)
Category rank#47
Street price$189
Power8 W
Performance per dollar18.86
Released2026

Specifications

BrandTessarix
ModelTessarix PX-8281 Ultra
TypeUSB4 40Gbps NVMe Enclosure
Host interfaceUSB4 (40Gbps), Thunderbolt 3/4 compatible
ThroughputUp to 3,800 MB/s
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingAluminum shell, thermal pad
Bus powerYes (bus-powered)
CompatibilityWindows, macOS, Linux; UASP

Related guides

NVMe SSDs ExplainedUSB4 ExplainedM.2 SSD Sizes and KeysPCIe Lanes ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Strivon PX-7269 Pro USB 3.2 Gen 2 NVMe Enclosure4,039$209Compare
Altrix PX-6865 Prime Dual M.2 PCIe Switch Card3,563$189Compare
Strivon PX-9109 Pro USB4 40Gbps NVMe Enclosure2,709$109Compare
Veltrix PX-3795 Prime PCIe 4.0 x16 Riser Cable4,000$189Compare
Altrix PX-6571 Edge USB 3.2 Gen 2 NVMe Enclosure4,880$349Compare
Strivon PX-6586 XT Quad M.2 PCIe 4.0 x16 Card3,454$189Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8281 Ultra USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/6134950 (accessed 2026-10-19).