ASUS BU401LA-CZ127G, PRO B ADVANCED. Product type: Ultrabook, Colour of product: Black, Form factor: Clamshell. Processor frequency: 1.6 GHz, Processor family: Intel Core i5-4xxx, Processor model: i5-4200U. Internal memory: 4 GB, Internal memory type: DDR3L-SDRAM, Memory slots: 1x SO-DIMM. Total storage capacity: 128 GB, Storage media: SSD, Hard drive size: 6.35 cm (2.5

DELL 7450, Latitude. Product type: Ultrabook, Colour of product: Black, Form factor: Clamshell. Processor frequency: 2.3 GHz, Processor family: Intel Core i5-5xxx, Processor model: i5-5300U. Internal memory: 4 GB, Internal memory type: DDR3L-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 128 GB, Storage media: SSD, Solid-state drive capacity: 128 GB. Display diagonal: 35.56 cm (14

DELL 3450, Latitude. Product type: Notebook, Colour of product: Black, Form factor: Clamshell. Processor frequency: 1.7 GHz, Processor family: Intel Core i3-4xxx, Processor model: i3-4005U. Internal memory: 4 GB, Internal memory type: DDR3L-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 500 GB, Storage media: HDD, Hard drive capacity: 500 GB. Display diagonal: 35.56 cm (14