Hardware Spec Index

Tessarix PX-9258 Pro M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9258-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index803 (PCIe Cards & NVMe Enclosures scale)
Category rank#47,519
Street price$19
Power6 W
Performance per dollar42.26
Released2025

Specifications

BrandTessarix
ModelTessarix PX-9258 Pro
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

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Cite this page: Hardware Spec Index, “Tessarix PX-9258 Pro M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/1752900 (accessed 2026-10-19).