Dell OptiPlex 755 Desktop Intel Core 2 Duo 2.3GHz Processor 4GB Memory 500GB Hard Drive Genuine DVD-RW Windows 7 Home Premium 19" LCD Monitor Keyboard Mouse What is Inside: 4 GB of Memory and a 500 GB Hard Drive. Pro Tip: Hard drive size has nothing to do with the speed of the machine. What is Inside: Intel Core 2 Duo 2.3 GHz. DVD-RW Optical Drive. Ready to use right out of the box. Includes: Power Cord Windows COA Sticker and Win 7 Home Restore Disk. Genuine license of Windows 7 Home Premium. Certificate of Authenticity (COA Sticker) with a new product key is included. Genuine license of Windows 7 Home Premium. Certificate of Authenticity (COA Sticker) with a new product key is included. Genuine license of Windows 7 Home Premium. Certificate of Authenticity (COA Sticker) with a new product key is included.