Hardware Spec Index

Tessarix PX-8389 Prime M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8389-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index2,522 (PCIe Cards & NVMe Enclosures scale)
Category rank#28,112
Street price$89
Power6 W
Performance per dollar28.34
Released2019

Specifications

BrandTessarix
ModelTessarix PX-8389 Prime
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
CoolingHeatsink + 40 mm fan
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-1616 Max USB 3.2 Gen 2 NVMe Enclosure3,726$209Compare
Veltrix PX-2922 Pro M.2 NVMe to PCIe 4.0 x4 Adapter2,059$59Compare
Tessarix PX-1315 SE USB4 40Gbps NVMe Enclosure5,131$289Compare
Altrix PX-4380 Ultra PCIe 5.0 x16 Riser Cable3,505$199Compare
Altrix PX-2654 Ti M.2 NVMe to PCIe 4.0 x4 Adapter2,024$59Compare
Strivon PX-8944 Core Quad M.2 PCIe 4.0 x16 Card4,966$369Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8389 Prime M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/4474546 (accessed 2026-10-21).