Hardware Spec Index

Tessarix PX-4439 Plus Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4439-PLUS · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index5,048 (PCIe Cards & NVMe Enclosures scale)
Category rank#25,364
Street price$339
Power6 W
Performance per dollar14.89
Released2023

Specifications

BrandTessarix
ModelTessarix PX-4439 Plus
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-2970 Prime PCIe 4.0 x16 Riser Cable2,662$109Compare
Altrix PX-3231 Edge USB 3.2 Gen 2 NVMe Enclosure2,387$89Compare
Tessarix PX-4410 Ultra USB4 40Gbps NVMe Enclosure3,169$139Compare
Altrix PX-2673 Edge M.2 NVMe to PCIe 4.0 x4 Adapter2,675$109Compare
Strivon PX-5753 SE Quad M.2 PCIe 4.0 x16 Card4,539$329Compare
Altrix PX-2541 Prime Quad M.2 PCIe 4.0 x16 Card4,321$249Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4439 Plus Dual M.2 PCIe Switch Card”, https://vextor7.com/item/60022870 (accessed 2026-10-25).