IBM HS23, System x. Processor clock speed: 1.8 GHz, Processor family: Intel Xeon, Processor model: E5-2603. Hard drive interface: Serial ATA, Serial Attached SCSI (SAS), Hard drive size: 63.5 mm (2.5 "), Maximum storage capacity: 2 TB. Internal memory: 16 GB, Internal memory type: DDR3, Maximum internal memory: 256 GB. Maximum graphics adapter memory: 16 MB. Networking features: 10 Gigabit Ethernet, Cabling technology: 10/100/1000Base-T(X)