Hardware Spec Index

Tessarix PX-1838 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX1838-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,469 (PCIe Cards & NVMe Enclosures scale)
Category rank#39,966
Street price$39
Power6 W
Performance per dollar37.67
Released2022

Specifications

BrandTessarix
ModelTessarix PX-1838 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
Strivon PX-9650 Ultra USB 3.2 Gen 2 NVMe Enclosure2,847$129Compare
Altrix PX-2920 Prime USB 3.2 Gen 2 NVMe Enclosure5,375$349Compare
Veltrix PX-2779 Ultra USB 3.2 Gen 2 NVMe Enclosure3,541$169Compare
Strivon PX-6654 XT USB 3.2 Gen 2 NVMe Enclosure3,790$179Compare
Altrix PX-5366 Plus USB 3.2 Gen 2x2 NVMe Enclosure1,615$39Compare
Strivon PX-7496 Ultra Quad M.2 PCIe 5.0 x16 Card4,872$299Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-1838 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/8080995 (accessed 2026-10-21).