Hardware Spec Index

Tessarix PX-1904 Ultra Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX1904-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index4,454 (PCIe Cards & NVMe Enclosures scale)
Category rank#11,011
Street price$269
Power6 W
Performance per dollar16.56
Released2022

Specifications

BrandTessarix
ModelTessarix PX-1904 Ultra
TypeDual M.2 PCIe Switch Card
Host interfacePCIe 4.0 x8 with onboard PCIe switch (no bifurcation needed)
ThroughputUp to 14,000 MB/s aggregate
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
Veltrix PX-9526 Max Quad M.2 PCIe 4.0 x16 Card4,476$309Compare
Veltrix PX-1008 Prime Quad M.2 PCIe 5.0 x16 Card5,600$399Compare
Tessarix PX-1831 Plus Quad M.2 PCIe 4.0 x16 Card3,240$149Compare
Veltrix PX-7213 Pro M.2 NVMe to PCIe 4.0 x4 Adapter2,445$89Compare
Tessarix PX-2339 Plus USB 3.2 Gen 2x2 NVMe Enclosure3,600$169Compare
Tessarix PX-2985 Ti Dual M.2 PCIe Switch Card3,733$189Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-1904 Ultra Dual M.2 PCIe Switch Card”, https://vextor7.com/item/9768836 (accessed 2026-10-22).