Synology Disk Station 4-Bay Network Attached Storage (DS415+) CPU: Intel Atom Quad Core 2.4GHz w/ Floating Point & Hardware Encryption Engine Memory: 2GB DDR3 Drive Bays: 4x 3.5" or 2.5" SATA2 (Hard drive not included) Supported Clients: Windows XP or later, Mac OS X 10.5 or later, Ubuntu 9.04 or later Power Consumption: 46.2W (Access); 17.3W (HDD Hibernation) Quad Core CPU with AES-NI Hardware Encryption Engine 2 LAN with Failover and Link Aggregation Support VMware, Citrix & Microsoft Hyper-V Ready Running on Synology Disk Station Manager (DSM)