Hardware Spec Index

Tessarix PX-9954 Prime M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9954-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,006 (PCIe Cards & NVMe Enclosures scale)
Category rank#47,107
Street price$19
Power6 W
Performance per dollar52.95
Released2026

Specifications

BrandTessarix
ModelTessarix PX-9954 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
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-5132 Ti USB 3.2 Gen 2x2 NVMe Enclosure3,498$159Compare
Altrix PX-4284 Core USB 3.2 Gen 2 NVMe Enclosure1,116$29Compare
Strivon PX-1132 Ti USB4 40Gbps NVMe Enclosure2,887$129Compare
Strivon PX-2783 Plus PCIe 5.0 x16 Riser Cable2,446$79Compare
Altrix PX-7852 Pro Dual M.2 PCIe Switch Card5,366$329Compare
Altrix PX-8168 Edge PCIe 4.0 x16 Riser Cable2,555$89Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-9954 Prime M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/20115203 (accessed 2026-10-21).