A reliable, slimmer and affordable desktop Powered by the AMD E1 Accelerated Dual-Core processor for the speed you need. 4GB of memory is available to run your programs. Memory is expandable up to 16GB. Additional memory is sold separately. 500GB hard drive provides ample storage space hold documents, photos and songs. Wireless-N (802.11b/g/n) for high-performance, cable-free networking. Access wireless networks to share files, surf the Web and exchange email. The Ultra Slim Tray SuperMulti DVD Burner allows you to play and burn DVDs and CDs. Memory card reader for fast and easy file transfers. The HP 7-in-1 Media Card Reader-Supports SD, SDHC, SDXC, Memory Stick, Memory Stick Select, Memory Stick PRO, Memory Stick MagicGate. Features 2 USB 3.0 ports for ultra-fast data transfers. USB 3.0 is up to 10 times faster than USB 2.0, yet fully compatible with USB 2.0. USB keyboard with volume control and optical mouse. Features Microsoft(R) Windows(R) 8.1 operating system. ENERGY STAR certified - meets federal guidelines for energy efficiency. EPEAT Silver certified - has multiple eco-attributes. Ranked in three tiers: Bronze, Silver or Gold. HP Slimline 450-a30 Desktop Computer With AMD E1 Accelerated Dual-Core Processor is one of many available through Office Depot. Made by HP Slimline.