The Most Compact Design With High-Performance Solution The smallest server amongst any competing solutions. Within only 51cm, AP1720-E1 amazingly incorporated a dual-3.06GHz Xeon architecture and maximum 8 SCSI 15,000 rpm hot-swappable HDD. Tool-less design and the unique smart fan technology offer you an easy-maintenance as well as quiet system. Shop Modal header Most Valuable Tower Server with High Density & Reliability Best Performance in Intel ® Dual Xeon™ PlatformsIntel ® Xeon TM + DDR333 has better memory performance compared with current Xeon+DDR266, and provides SATA Raid function compared with IDE solution. Outstanding Thermal SolutionThe 6mm (generally 2mm) space between HDs ensures better airflow. In addition, there are 8 SCSI 15000rpm HDs enclosed in the 510mm-long chassis. Quieter Working EnvironmentAsus featured SmartFan technology can well control the fan speed, and provide quieter working environment for customers. Convenient Tool-less DesignTool-less design is used in PCI cards, 5.25 inch devices, system fans and so on, which greatly simplifies DIY process, and saves maintenance costs. Useful Hot Swappable DesignThe HDs and 2+1 redundant power supply are all hot swappable to provide flexibility and reliability of the server.Key Spec Processor Intel Dual Xeon processors at FSB 533 Chipset Intel 82875P MCH + 82801ER IO Hub Memory ECC Un-Buffered DDR333 up to 4GB / 4 DIMMs Expansion 5 x 32-bit/33MHz PCI slots On-board Chip Intel® 82547 CSA Gb LAN x 1 Dimension 510mm x 220mm x 430mm