Hardware Spec Index

Tessarix PX-9919 Prime Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9919-PRIME · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index5,600 (PCIe Cards & NVMe Enclosures scale)
Category rank#49,570
Street price$399
Power6 W
Performance per dollar14.04
Released2025

Specifications

BrandTessarix
ModelTessarix PX-9919 Prime
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
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-4734 Core PCIe 5.0 x16 Riser Cable3,477$139Compare
Strivon PX-6664 SE PCIe 5.0 x16 Riser Cable2,313$69Compare
Veltrix PX-9413 Ti Thunderbolt 5 NVMe Enclosure4,199$269Compare
Tessarix PX-6560 Max USB 3.2 Gen 2 NVMe Enclosure844$19Compare
Veltrix PX-3746 Prime USB4 40Gbps NVMe Enclosure3,972$219Compare
Altrix PX-2751 Ultra Dual M.2 PCIe Switch Card4,157$239Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-9919 Prime Dual M.2 PCIe Switch Card”, https://vextor7.com/item/18199067 (accessed 2026-10-22).