Hardware Spec Index

Tessarix PX-3856 XT USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX3856-XT · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index4,380 (PCIe Cards & NVMe Enclosures scale)
Category rank#7,669
Street price$269
Power8 W
Performance per dollar16.28
Released2024

Specifications

BrandTessarix
ModelTessarix PX-3856 XT
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
Veltrix PX-4921 Core PCIe 5.0 x16 Riser Cable2,463$89Compare
Tessarix PX-9198 Core Quad M.2 PCIe 4.0 x16 Card2,331$99Compare
Strivon PX-8407 Plus Quad M.2 PCIe 5.0 x16 Card4,880$329Compare
Veltrix PX-5514 Edge M.2 NVMe to PCIe 4.0 x4 Adapter1,427$39Compare
Strivon PX-1939 Edge PCIe 5.0 x16 Riser Cable3,912$209Compare
Tessarix PX-8440 XT USB 3.2 Gen 2x2 NVMe Enclosure1,700$49Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-3856 XT USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/92326468 (accessed 2026-10-22).