Supermicro X9DRL-EF Motherboard


The Supermicro X9DRL-EF comes with two PCI Express 3.0 x8 slots, one PCI Express 2.0 x8 slot (working at x4), and one PCI Express 2.0 x1 slot.

Since servers don’t require high-end video cards, PCI Express x16 slots are not provided.

Each CPU controls one of the PCI Express 3.0 x8 slots. The third PCI Express x8 slot uses the 2.0 specification, works at x4 speed, and is controlled by the chipset. The PCI Express 2.0 x1 slot is also controlled by the chipset.

Supermicro X9DRL-EF motherboardFigure 2: Slots

Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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