Hardware Spec Index

Tessarix PX-9817 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9817-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,418 (PCIe Cards & NVMe Enclosures scale)
Category rank#44,845
Street price$29
Power6 W
Performance per dollar48.90
Released2024

Specifications

BrandTessarix
ModelTessarix PX-9817 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
CoolingHeatsink + 40 mm fan
Bus powerSlot-powered
CompatibilityUEFI boot supported; check slot bifurcation

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Cite this page: Hardware Spec Index, “Tessarix PX-9817 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/7941689 (accessed 2026-10-23).