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CrossFire Chipsets

Below you can find a list with all chipsets that support CrossFire. Under “PCI Express Mode” we listed what is the real transfer rate of the x16 PCI Express slots when CrossFire mode is enabled. Keep in mind that when CrossFire mode is disabled and you have only one video card installed the main PCI Express x16 slot will always work at x16.

Chipset PCI Express Mode
AMD 790FX Two PCI Express 2.0 x16 with two video cardsOne PCI Express 2.0 x16 and two x8 with three video cardsFour PCI Express 2.0 x8 with four video cards
Intel X38 Two PCI Express 2.0 x 16, One PCI Express 1.0 x4 *
AMD 790X Two PCI Express 2.0 x16
AMD 580X (ATI CrossFireXpress 3200) Two PCI Express 1.0 x16
AMD 570X One PCI Express 1.0 x16, One PCI Express 1.0 x8
Intel 975X Two PCI Express 1.0 x8, One PCI Express 1.0 x4 *
AMD 480X (ATI CrossFireXpress 1600)ATI Radeon Xpress 200 “CrossFire Edition” Two PCI Express 1.0 x8
Intel P35 **Intel P965 **Intel 945P ** One PCI Express 1.0 x16, One PCI Express 1.0 x4
AMD 780G (Hybrid CrossFireX only) One PCI Express 2.0 x16

* Not all motherboards based on Intel X38 and Intel 975X chipsets have three x16 slots.

** Not all motherboards based on these chipsets have two x16 slots, so CrossFire is only supported on models that carry two x16 PCI Express slots.

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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.