Hardware Spec Index

Tessarix PX-4139 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4139-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index865 (PCIe Cards & NVMe Enclosures scale)
Category rank#29,098
Street price$19
Power6 W
Performance per dollar45.53
Released2024

Specifications

BrandTessarix
ModelTessarix PX-4139 Ultra
TypeM.2 NVMe to PCIe 4.0 x4 Adapter
Host interfacePCIe 4.0 x4 (passive)
ThroughputUp to 7,500 MB/s (drive-limited)
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingPassive heatsink
Bus powerSlot-powered
CompatibilityUEFI boot supported; check slot bifurcation

Related guides

NVMe SSDs ExplainedPCIe Lanes ExplainedUSB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Veltrix PX-6367 Core Quad M.2 PCIe 4.0 x16 Card4,261$259Compare
Altrix PX-1366 Core Quad M.2 PCIe 5.0 x16 Card5,133$359Compare
Strivon PX-9205 Prime USB 3.2 Gen 2x2 NVMe Enclosure4,574$279Compare
Tessarix PX-1190 Ultra USB 3.2 Gen 2x2 NVMe Enclosure3,920$239Compare
Strivon PX-3141 SE Dual M.2 PCIe Switch Card4,194$209Compare
Altrix PX-9572 Ti USB 3.2 Gen 2 NVMe Enclosure3,357$189Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4139 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/94860233 (accessed 2026-10-24).