Hardware Spec Index

Tessarix PX-9856 Prime M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9856-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index909 (PCIe Cards & NVMe Enclosures scale)
Category rank#30,826
Street price$19
Power6 W
Performance per dollar47.84
Released2023

Specifications

BrandTessarix
ModelTessarix PX-9856 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-1363 Core USB 3.2 Gen 2x2 NVMe Enclosure1,706$49Compare
Strivon PX-3750 Plus USB 3.2 Gen 2 NVMe Enclosure1,477$39Compare
Tessarix PX-5496 Ti M.2 NVMe to PCIe 4.0 x4 Adapter1,493$39Compare
Tessarix PX-8753 Ti PCIe 4.0 x16 Riser Cable3,204$159Compare
Tessarix PX-4676 SE M.2 NVMe to PCIe 4.0 x4 Adapter2,036$59Compare
Altrix PX-5957 Ultra Quad M.2 PCIe 4.0 x16 Card2,288$89Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-9856 Prime M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/10517469 (accessed 2026-10-19).