Hardware Spec Index

Tessarix PX-6490 Ultra Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX6490-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index4,998 (PCIe Cards & NVMe Enclosures scale)
Category rank#36,586
Street price$309
Power6 W
Performance per dollar16.17
Released2022

Specifications

BrandTessarix
ModelTessarix PX-6490 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
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-9389 Core USB 3.2 Gen 2x2 NVMe Enclosure2,180$69Compare
Altrix PX-7544 Prime USB 3.2 Gen 2 NVMe Enclosure1,675$49Compare
Altrix PX-3328 XT M.2 NVMe to PCIe 4.0 x4 Adapter4,753$299Compare
Tessarix PX-3597 Prime PCIe 4.0 x16 Riser Cable1,765$49Compare
Altrix PX-7517 Ti USB 3.2 Gen 2x2 NVMe Enclosure1,844$49Compare
Strivon PX-5866 Pro USB 3.2 Gen 2 NVMe Enclosure2,647$89Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-6490 Ultra Dual M.2 PCIe Switch Card”, https://vextor7.com/item/6975480 (accessed 2026-10-24).