IBM IntelliStation M Pro, IntelliStation M Pro. Processor clock speed: 3400 MHz, Processor family: Intel Pentium 4, Processor model: Pentium 4. Internal memory: 512 MB, Internal memory type: DDR2, Maximum internal memory: 4 GB. Hard drive capacity: 40 GB, Hard drive interface: Serial ATA, Hard drive rotational speed: 7200 RPM. Graphic adapter: Quadro NVS 280. Optical drive type: CD-ROM, CD read speed: 48 x