Gigabyte GA-890FXA-UD5 16 GB DDR3 1866/1333/1066MHz 1.5 V AMD family Socket AM3 AMD Phenom II/AMD Athlon II- Supports new generation of AMD Phenom™II X6 processors - AMD SB850 provides 6 native SATA3 storage interfaces with superfast 6Gbps link speed and RAID - 1 5 10 support - Supports newest NEC SuperSpeed USB 3.0 with superfast transfer rates of up to 5 Gbps - 3X USB power delivery for greater compatibility and extra power for USB devices - Exclusive Auto Unlock technology provides hardware-based solution for unleash CPU performance - Ultra Durable 3 Technology with copper cooled quality for lower working temperature - Revolution energy saving design with Easy Energy Saver technology - Supports AMD AM3 Phenom II/ Athlon II processors - Advanced 8+2 phase CPU VRM power design for AMD high-TDP 140W CPU support - Dual Channel DDR3 1866+ for remarkable system performance - 4 PCI-E 2. Lasting Quality from GIGABYTE.GIGABYTE Ultra Durable motherboards bring together a unique blend of features and technologies that offer users the absolute. Supports AMD AM3+ FX / AM3 Phenom II, Athlon II series Processors GIGABYTE Ultra Durable 4 Technology GIGABYTE Digital Power Engine8+2 phase CPU VRM power design for AMD high-TDP CPU support GIGABYTE UEFI DualBIOS2-way CrossFire Support VIA 2021 with High Quality 108dB SNR HD audio GIGABYTE On/Off Charge for USB devices4 USB 3.0 ports with GIGABYTE 3x USB power6 SATA3 ports with RAID support.