Hardware Spec Index

Tessarix PX-8458 Ti Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8458-TI · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index5,382 (PCIe Cards & NVMe Enclosures scale)
Category rank#26,533
Street price$309
Power6 W
Performance per dollar17.42
Released2026

Specifications

BrandTessarix
ModelTessarix PX-8458 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
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-7495 Plus Dual M.2 PCIe Switch Card4,820$289Compare
Altrix PX-5904 Prime Quad M.2 PCIe 5.0 x16 Card4,247$219Compare
Strivon PX-2595 Plus PCIe 4.0 x16 Riser Cable2,471$89Compare
Tessarix PX-3446 Core USB4 40Gbps NVMe Enclosure4,717$299Compare
Altrix PX-7366 Max PCIe 4.0 x16 Riser Cable2,376$79Compare
Veltrix PX-7306 SE M.2 NVMe to PCIe 4.0 x4 Adapter1,176$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8458 Ti Dual M.2 PCIe Switch Card”, https://vextor7.com/item/2965447 (accessed 2026-10-21).