Lenovo E73, ThinkCentre. Processor frequency: 2.9 GHz, Processor family: Intel Core i5-4xxx, Processor model: i5-4460S. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Maximum internal memory: 16 GB. Total storage capacity: 500 GB, Storage media: HDD, Hard drive capacity: 500 GB. Optical drive type: DVD±RW. On-board graphics adapter model: Intel HD Graphics 4600

Fujitsu E420 E85+, ESPRIMO. Processor frequency: 3.2 GHz, Processor family: Intel Core i5-4xxx, Processor model: i5-4460. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Maximum internal memory: 16 GB. Total storage capacity: 128 GB, Storage media: SSD, Solid-state drive capacity: 128 GB. On-board graphics adapter model: Intel HD Graphics 4600. Operating system installed: Windows 7 Professional

Fujitsu E420 E85+, ESPRIMO. Processor frequency: 3.2 GHz, Processor family: Intel Core i5-4xxx, Processor model: i5-4460. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Maximum internal memory: 16 GB. Total storage capacity: 500 GB, Storage media: HDD, Hard drive capacity: 500 GB. Optical drive type: DVD Super Multi. On-board graphics adapter model: Intel HD Graphics 4600

ASUS M11AD-US011S, M. Processor frequency: 2.8 GHz, Processor family: Intel Core i5-4xxx, Processor model: i5-4440S. Internal memory: 6 GB, Internal memory type: DDR3-SDRAM, Maximum internal memory: 16 GB. Total storage capacity: 1000 GB, Storage media: HDD, Hard drive interface: Serial ATA III. On-board graphics adapter model: Intel HD Graphics 4600. Operating system installed: Windows 8