Fujitsu

Processor: Intel® Core™ i3-4160 Processor  (3M Cache, 3.60 GHz)
Memory: 4G DDR3, none ECC, 1600 MHz, PC3-12800
Graphics: Intel® HD Graphics 4400
Processor: Intel® Core™ i5-4460 Processor (6M Cache, up to 3.40 GHz)
Memory: 4G DDR3, none ECC, 1600 MHz, PC3-12800
Graphics: Intel® HD Graphics 4600
Processor: Intel® Core™ i5-4590 Processor (6M Cache, up to 3.70 GHz)
Memory: 4G DDR3 (2 DIMM), none ECC, 1600 MHz, PC3-12800
Graphics: Intel® HD Graphics 4600
Processor: Intel® Core™ Processor i5-4590 (6M Cache, up to 3.70 GHz)
Memory: 4G DDR3 (2 DIMM), none ECC, 1600 MHz, PC3-12800
Graphics: Intel® HD Graphics 4600