Hardware Spec Index

Tessarix PX-6521 SE USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX6521-SE · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index5,600 (PCIe Cards & NVMe Enclosures scale)
Category rank#16,133
Street price$369
Power8 W
Performance per dollar15.18
Released2024

Specifications

BrandTessarix
ModelTessarix PX-6521 SE
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
Tessarix PX-9707 Pro PCIe 4.0 x16 Riser Cable2,702$99Compare
Altrix PX-9827 SE PCIe 4.0 x16 Riser Cable1,026$29Compare
Strivon PX-1651 Ultra Quad M.2 PCIe 5.0 x16 Card4,751$289Compare
Strivon PX-1220 XT USB 3.2 Gen 2x2 NVMe Enclosure2,168$69Compare
Altrix PX-2261 Ti Dual M.2 PCIe Switch Card3,597$169Compare
Altrix PX-1195 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter3,372$159Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-6521 SE USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/91314283 (accessed 2026-10-22).