Model | Form Factor | Memory | Expansion Slot | ATI Multi-GPU | NVIDIA Multi-GPU | Audio | Lan | SATA3 | USB 3.0 | USB | All Solid Capacitor design | Premium Blu-ray | Smart Switch | Dr. Debug | ErP Ready | OC Tuner | IES | Instant Boot | Instant Flash | OC DNA |
![](/mb/photo/100-P55 Deluxe3.png) P55 Deluxe3 | ATX | 4 x DDR3 2600+(OC) | 2 x PCIe 2.0 x16 (x16 | x8/x8) 2 x PCIe 2.0 x1 2 x PCI | ATI Quad / CrossFireX | NVIDIA Quad / SLI | Gigabit LAN | 2 | 2 | 12 | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |
![](/mb/photo/100-P55 Deluxe.png) P55 Deluxe | ATX | 4 x DDR3 2600+(OC) | 2 x PCIe 2.0 x16 (x16 | x8/x8) 1 x PCIe 2.0 x16 (x4) 1 x PCIe 2.0 x1 | ATI Quad / 3-Way / CrossFireX | NVIDIA Quad / 3-Way / SLI | Gigabit LAN | 2 | 0 | 14 | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |
![](/mb/photo/100-P55 Extreme4.png) P55 Extreme4 | ATX | 4 x DDR3 2600+(OC) | 2 x PCIe 2.0 x16 (x16/x | x8/x8) 3 x PCIe 2.0 x1 2 x PCI | ATI Quad / CrossFireX | NVIDIA Quad / SLI | Gigabit LAN | 4 | 4 | 12 | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |
![](/mb/photo/100-P55 Extreme.png) P55 Extreme | ATX | 4 x DDR3 2600+(OC) | 2 x PCIe 2.0 x16 (x16 | x8/x8) 1 x PCIe 2.0 x16 (x4) 1 x PCIe 2.0 x1 3 x PCI | ATI Quad / 3-Way / CrossFireX | NVIDIA Quad / 3-Way / SLI | Gigabit LAN | 0 | 0 | 14 | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |
![](/mb/photo/100-P55 ProUSB3.png) P55 Pro/USB3 | ATX | 4 x DDR3 2600+(OC) | 2 x PCIe 2.0 x16 (x16 / x4) 2 x PCIe 2.0 x1 2 x PCI | ATI Quad / CrossFireX | Quad / SLI | Gigabit LAN | 0 | 1 | 13 | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |
![](/mb/photo/100-P55 Pro.png) P55 Pro | ATX | 4 x DDR3 2600+(OC) | 1 x PCIe 2.0 x16 (x16) 1 x PCIe 2.0 x16 (x4) 2 x PCIe 2.0 x1 2 x PCI | ATI Quad / CrossFireX | Quad / SLI | Gigabit LAN | 0 | 0 | 14 | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |
![](/mb/photo/100-P55DE Pro.png) P55DE Pro | ATX | 4 x DDR3 2400+(OC) | 1 x PCIe 2.0 x16 (x16) 1 x PCIe 2.0 x16 (x4) 2 x PCIe 2.0 x1 2 x PCI | ATI Quad / CrossFireX | Quad / SLI | Gigabit LAN | 0 | 0 | 14 | ![](images/yes.png) | | | | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |
![](/mb/photo/100-P55DE3.png) P55DE3 | ATX | 4 x DDR3 2400+(OC) | 1 x PCIe 2.0 x16 (x16) 1 x PCIe 2.0 x16 (x4) 2 x PCIe 2.0 x1 2 x PCI | ATI Quad / CrossFireX | Quad / SLI | Gigabit LAN | 0 | 0 | 14 | | | | | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |
![](/mb/photo/100-P55M Pro.png) P55M Pro | Micro ATX | 4 x DDR3 2400+(OC) | 1 x PCIe 2.0 x16 (x16) 1 x PCIe 2.0 x16 (x4) 1 x PCIe 2.0 x1 1 x PCI | ATI Quad / CrossFireX | Quad / SLI | Gigabit LAN | 0 | 0 | 14 | ![](images/yes.png) | | | | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) | ![](images/yes.png) |