Welcome to our store! This PC motherboard supports 2 DDR3 1333/1600Mhz RAM slots, with each slot supporting up to 16GB of memory. It supports RECC memory or common memory (cannot be mixed) and V1 and V2 CPUs like E5 2640, E5 2650, E5 2660, E5 2670, and E5 2680. Featuring 4 SATA 2.0 interfaces, this DDR3 motherboard ensures strong compatibility and faster reading speeds. This LGA2011 motherboard utilizes 7+1 phase power and a 24Pin power interface, providing stable power performance. This X79 Pro motherboard is designed with 6 USB 2.0 interfaces, 1 USB2.0 pin, 1 PS/2 interface for expansion, and 1 PCIE X16 slot for graphics cards. Crafted from premium circuit board and metal materials, this desktop motherboard is strong and durable, significantly extending its lifespan. Item Type: DDR3 Motherboard Material: Printed Circuit Board, Metal Built-in Battery: CR2032L x 1 240mAh CPU: LGA 2011 (V1/V2) Maximum Memory Capacity: 16GB Memory Slot: 2 x DDR3 USB Interface: 6 x USB2.0, USB2.0 Pin x 1 Sata Interface: 4 x SATA2.0 Graphics Card Slot: 1 x PCIe X16 PS/2 Interface: 1 x PS/2 Interface Includes: 1 x DDR3 Motherboard 1 x Metal Plate 1 x Connection Cable Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We are committed to providing you with the best after-sales service.