The ThinkCentre M600 Tiny Desktop is small in size but big in features with connectivity and peripheral support packed into a space-saving design. Tested to military specifications, this PC is not only fast, it’s also a rugged, durable, high-quality machine that’s built to withstand heavy workloads. This tiny desktop can fit just about anywhere, including the back of your monitor, while delivering reliable, enterprise-level performance. Desktop Features Processor: 1.6 GHz Intel® Pentium® N3700 Quad-Core Processor Memory: 4GB of DDR3 RAM Storage: 500GB Hard Disk Drive Graphics: Intel® Integrated Graphics Operating System: Windows 7