| Model |  |  |  |  | 
          
            |  |  |  |  | 
          
            | Dimension | 29.9 x 107.9 x 114.6 mm | 29.9 x 107.9 x 114.6 mm | 29.9 x 107.9 x 114.6 mm | 29.9 x 107.9 x 114.6 mm | 
          
            | Motherboard | 100 x 105 mm | 100 x 105 mm | 100 x 105 mm | 100 x 105 mm | 
          
            | CPU | 3rd generation Intel® Core™ i7-3537U 2GHz / 3.1GHz | 3rd generation Intel® Core™ i5-3337U 1.8GHz / 2.7GHz | 3rd generation Intel® Core™ i3-3227U 1.9GHz | 3rd generation Intel® Celeron® 1037U 1.8GHz | 
          
            | Chipset | Intel® HM77 | Intel® HM77 | Intel® HM77 | Intel® NM70 | 
          
            | Memory | 2 x SO-DIMM DDR3 slots1333 / 1600 MHz
 Max. 16GB (8GB x 2)
 | 2 x SO-DIMM DDR3 slots1333 / 1600 MHz
 Max. 16GB (8GB x 2)
 | 2 x SO-DIMM DDR3 slots1333 / 1600 MHz
 Max. 16GB (8GB x 2)
 | 2 x SO-DIMM DDR3 slots1333 / 1600 MHz
 Max. 16GB (8GB x 2)
 | 
          
            | LAN | Gigabit LAN 
 | Gigabit LAN 
 | Gigabit LAN 
 | Gigabit LAN 
 | 
          
            | Wireless LAN | 802.11b/g/n | 802.11b/g/n | 802.11b/g/n | 802.11b/g/n | 
          
            | Graphics | Intel®  HD 4000 graphics | Intel® HD 4000 graphics | Intel® HD 4000 graphics | Intel® HD graphics | 
          
            | Expansion Slots | 1 x mSATA slot1 x Half-size mini-PCIe slot
 occupied by the WiFi card
 | 1 x mSATA slot1 x Half-size mini-PCIe slot
 occupied by the WiFi card
 | 1 x mSATA slot1 x Half-size mini-PCIe slot
 occupied by the WiFi card
 | 1 x mSATA slot1 x Half-size mini-PCIe slot
 occupied by the WiFi card
 | 
          
            | Front I/O | 1 x USB 3.0  | 1 x USB 3.0  | 1 x USB 3.0  | 1 x USB 2.0 | 
          
            | Rear I/O | 1 x HDMI1 x Mini DisplayPort
 1 x USB 3.0
 1 x RJ45
 1 x DC-In
 1 x Kensington lock slot
 | 1 x HDMI1 x Mini DisplayPort
 1 x USB 3.0
 1 x RJ45
 1 x DC-In
 1 x Kensington lock slot
 | 1 x HDMI1 x Mini DisplayPort
 1 x USB 3.0
 1 x RJ45
 1 x DC-In
 1 x Kensington lock slot
 | 1 x HDMI1 x Mini DisplayPort
 1 x USB 2.0
 1 x RJ45
 1 x DC-In
 1 x Kensington lock slot
 | 
          
            | Power Supply | Input: AC 100-240VOutput: DC 19V
 3.42A
 | Input: AC 100-240VOutput: DC 19V
 3.42A
 | Input: AC 100-240VOutput: DC 19V
 3.42A
 | Input: AC 100-240VOutput: DC 19V
 3.42A
 | 
          
            | VESA | Bracket includedSupports 75 x 75
 and 100 x 100 mm
 | Bracket includedSupports 75 x 75
 and 100 x 100 mm
 | Bracket includedSupports 75 x 75
 and 100 x 100 mm
 | Bracket includedSupports 75 x 75
 and 100 x 100 mm
 |