Hardware Spec Index

Tessarix PX-6191 Pro Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX6191-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index5,344 (PCIe Cards & NVMe Enclosures scale)
Category rank#39,913
Street price$379
Power6 W
Performance per dollar14.10
Released2022

Specifications

BrandTessarix
ModelTessarix PX-6191 Pro
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
Tessarix PX-3761 Plus PCIe 4.0 x16 Riser Cable2,031$69Compare
Strivon PX-1395 Ultra USB 3.2 Gen 2 NVMe Enclosure2,364$79Compare
Veltrix PX-2565 Prime USB4 40Gbps NVMe Enclosure2,800$129Compare
Altrix PX-3843 Core USB 3.2 Gen 2 NVMe Enclosure2,693$109Compare
Veltrix PX-9441 XT PCIe 4.0 x16 Riser Cable3,673$199Compare
Veltrix PX-5375 Max USB4 40Gbps NVMe Enclosure3,455$169Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-6191 Pro Dual M.2 PCIe Switch Card”, https://vextor7.com/item/20053233 (accessed 2026-10-20).