Hardware Spec Index

Tessarix PX-9979 Ti Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9979-TI · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index3,384 (PCIe Cards & NVMe Enclosures scale)
Category rank#22,017
Street price$169
Power6 W
Performance per dollar20.02
Released2024

Specifications

BrandTessarix
ModelTessarix PX-9979 Ti
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
Altrix PX-1489 Ultra USB4 40Gbps NVMe Enclosure3,984$199Compare
Strivon PX-4056 Prime PCIe 4.0 x16 Riser Cable2,887$109Compare
Veltrix PX-7105 XT Dual M.2 PCIe Switch Card3,545$179Compare
Tessarix PX-1487 Plus M.2 NVMe to PCIe 4.0 x4 Adapter1,410$39Compare
Tessarix PX-5354 Ultra PCIe 4.0 x16 Riser Cable2,255$69Compare
Tessarix PX-6349 SE USB 3.2 Gen 2 NVMe Enclosure1,256$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-9979 Ti Dual M.2 PCIe Switch Card”, https://vextor7.com/item/3136476 (accessed 2026-10-20).