Hardware Spec Index

Tessarix PX-4903 Prime M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4903-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index4,092 (PCIe Cards & NVMe Enclosures scale)
Category rank#35,219
Street price$189
Power6 W
Performance per dollar21.65
Released2019

Specifications

BrandTessarix
ModelTessarix PX-4903 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-2010 Prime USB 3.2 Gen 2 NVMe Enclosure1,118$19Compare
Strivon PX-9123 Core M.2 NVMe to PCIe 4.0 x4 Adapter2,511$89Compare
Veltrix PX-8925 XT Dual M.2 PCIe Switch Card5,571$359Compare
Altrix PX-4250 XT Thunderbolt 5 NVMe Enclosure5,361$349Compare
Veltrix PX-9125 SE M.2 NVMe to PCIe 4.0 x4 Adapter1,663$49Compare
Altrix PX-8387 Max PCIe 4.0 x16 Riser Cable2,014$69Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4903 Prime M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/303231 (accessed 2026-10-19).