Hardware Spec Index

Tessarix PX-8559 Plus Quad M.2 PCIe 5.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8559-PLUS · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index5,538 (PCIe Cards & NVMe Enclosures scale)
Category rank#12,524
Street price$389
Power12 W
Performance per dollar14.24
Released2026

Specifications

BrandTessarix
ModelTessarix PX-8559 Plus
TypeQuad M.2 PCIe 5.0 x16 Card
Host interfacePCIe 5.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~14,000 MB/s
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 ExplainedPCIe 5.0 ExplainedUSB4 ExplainedThunderbolt 5 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Altrix PX-5067 Prime M.2 NVMe to PCIe 4.0 x4 Adapter5,358$309Compare
Strivon PX-9146 Ti Quad M.2 PCIe 4.0 x16 Card3,780$169Compare
Strivon PX-2559 Core Quad M.2 PCIe 4.0 x16 Card2,636$89Compare
Tessarix PX-8058 Plus M.2 NVMe to PCIe 4.0 x4 Adapter1,319$39Compare
Veltrix PX-1381 SE USB4 40Gbps NVMe Enclosure4,189$239Compare
Strivon PX-9183 Plus M.2 NVMe to PCIe 4.0 x4 Adapter1,182$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8559 Plus Quad M.2 PCIe 5.0 x16 Card”, https://vextor7.com/item/60026141 (accessed 2026-10-25).