CPU:Intel ® Atom® C5125 8-core processor, 2.8GHz CPU Architecture:64-bit x86 Floating Point Unit:Y Encryption Engine (AES-NI):Y System Memory: 8 GB SODIMM DDR4 (1 x 8 GB) Maximum Memory:64 GB ( 2 x 32 GB) Memory Slot:2 x SODIMM DDR4 Support ECC memory For dual-DIMM configuration, you must use a pair of identical DDR4 modules. Flash Memory: 5GB (Dual boot OS protection) Drive Bay: 8 x 3.5-inch SATA 6Gb/s, 3Gb/s The system is shipped without HDD. Drive Compatibility:3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives Hot-swappable: Y M.2 Slot: 2 x M.2 2280 (PCIe Gen 3 x 4) SSD Cache Acceleration Support: Y SR-IOV: Y 2.5 Gigabit Ethernet Port(2.5G/1G/100M): 2 (2.5G/1G/100M/10M) 5 Gigabit Ethernet Port (5G/2.5G/1G/100M): Optional via a network adapter 10 Gigabit Ethernet Port: Optional via a network adapter 25 Gigabit Ethernet Port: Optional via a network adapter Wake on LAN (WOL): Y Only the 2.5GbE port Jumbo Frame: Y PCIe Slot: