Hardware Spec Index

Tessarix PX-7849 XT Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX7849-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index4,983 (PCIe Cards & NVMe Enclosures scale)
Category rank#47,043
Street price$359
Power6 W
Performance per dollar13.88
Released2022

Specifications

BrandTessarix
ModelTessarix PX-7849 XT
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
Tessarix PX-2794 Core USB 3.2 Gen 2 NVMe Enclosure3,686$189Compare
Strivon PX-7800 Plus Dual M.2 PCIe Switch Card4,996$329Compare
Veltrix PX-4353 Core Dual M.2 PCIe Switch Card5,124$359Compare
Veltrix PX-1240 Prime USB 3.2 Gen 2 NVMe Enclosure1,166$29Compare
Veltrix PX-5289 Prime USB 3.2 Gen 2 NVMe Enclosure737$19Compare
Strivon PX-7342 XT USB 3.2 Gen 2 NVMe Enclosure2,504$89Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-7849 XT Dual M.2 PCIe Switch Card”, https://vextor7.com/item/6822671 (accessed 2026-10-24).