Hardware Spec Index

Tessarix PX-4857 Prime USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4857-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index3,387 (PCIe Cards & NVMe Enclosures scale)
Category rank#23,679
Street price$159
Power8 W
Performance per dollar21.30
Released2024

Specifications

BrandTessarix
ModelTessarix PX-4857 Prime
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-9641 Pro Dual M.2 PCIe Switch Card3,972$209Compare
Tessarix PX-3906 Plus M.2 NVMe to PCIe 4.0 x4 Adapter913$29Compare
Tessarix PX-3422 Prime Quad M.2 PCIe 4.0 x16 Card3,237$139Compare
Strivon PX-6670 SE USB 3.2 Gen 2x2 NVMe Enclosure4,082$199Compare
Veltrix PX-5994 Max USB 3.2 Gen 2x2 NVMe Enclosure1,460$39Compare
Veltrix PX-4052 Prime USB 3.2 Gen 2 NVMe Enclosure1,045$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4857 Prime USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/92719166 (accessed 2026-10-25).