Highly-Integrated and Reliable Technology The ASUS AP160R-S supports up to 4 hot-swap SCSI HDD in 1U chassis. With optional RAID controller, AP160R-S gives more than 200GB storage capacity with highly data redundant ability. Shop Modal header Highly-Integrated and Reliable Technology Best thermal solution to support Intel® Socket 478 Pentium® 4 processors with 400MHz FSB Up to 8GB ECC registered DDR RAM Highly integrated 4 hot-swappable hard drive bays support Ultra-160 SCSI hard drives External Combo (Slim CD-ROM & FDD Combined module) for saving your total cost One 10/100 and one Gigabit LAN ports for Ethernet Dual Ultra-160 SCSI channels, built in VGA (with 8MB video memory) Two 64-bit PCI-X expansion slots Cabless solution for easy maintenance and better thermal solution*Note: Asus Combo Drive is required when installing OS & Application Systems