Hardware Spec Index

Tessarix PX-1668 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX1668-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index2,350 (PCIe Cards & NVMe Enclosures scale)
Category rank#11,267
Street price$89
Power6 W
Performance per dollar26.40
Released2019

Specifications

BrandTessarix
ModelTessarix PX-1668 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
Altrix PX-8538 Pro USB 3.2 Gen 2 NVMe Enclosure654$19Compare
Strivon PX-4926 Prime USB 3.2 Gen 2 NVMe Enclosure2,269$89Compare
Altrix PX-9182 Pro M.2 NVMe to PCIe 4.0 x4 Adapter2,952$139Compare
Altrix PX-9645 Prime USB 3.2 Gen 2x2 NVMe Enclosure3,510$199Compare
Altrix PX-9769 Edge Quad M.2 PCIe 4.0 x16 Card5,313$309Compare
Strivon PX-9920 Prime USB 3.2 Gen 2 NVMe Enclosure4,660$359Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-1668 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/5858065 (accessed 2026-10-24).