Acer 150 F1, AT. Processor clock speed: 2130 MHz, Processor family: Intel Xeon, Processor model: E5606. Hard drive interface: Serial ATA, Serial Attached SCSI (SAS), RAID levels: 0, 1, 5, 10, Hard drive size: 88.9 mm (3.5 "). Internal memory: 2048 MB, Internal memory type: DDR3, Maximum internal memory: 48 GB. Optical drive type: DVD-RW. Cabling technology: 10/100/1000Base-T(X)