Hardware Spec Index

Tessarix PX-6439 XT Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX6439-XT · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index4,200 (PCIe Cards & NVMe Enclosures scale)
Category rank#16,084
Street price$269
Power12 W
Performance per dollar15.61
Released2025

Specifications

BrandTessarix
ModelTessarix PX-6439 XT
TypeQuad M.2 PCIe 4.0 x16 Card
Host interfacePCIe 4.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~7,000 MB/s
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 ExplainedPCIe 4.0 vs PCIe 5.0USB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Veltrix PX-8776 Prime M.2 NVMe to PCIe 4.0 x4 Adapter2,466$89Compare
Altrix PX-4946 Max PCIe 4.0 x16 Riser Cable1,105$19Compare
Tessarix PX-3007 Ti PCIe 4.0 x16 Riser Cable1,498$39Compare
Strivon PX-7313 Ti M.2 NVMe to PCIe 4.0 x4 Adapter5,069$319Compare
Strivon PX-3197 Max Dual M.2 PCIe Switch Card4,019$249Compare
Altrix PX-2187 Max USB 3.2 Gen 2 NVMe Enclosure1,208$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-6439 XT Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/61670249 (accessed 2026-10-20).