| Model |  |  |  |  | 
          
            |  |  |  |  | 
          
            | Dimension | 29.9 x 107.6 x 114.4 mm (1.18" x 4.24" x 4.5")
 | 29.9 x 107.6 x 114.4 mm (1.18" x 4.24" x 4.5")
 | 29.9 x 107.6 x 114.4 mm (1.18" x 4.24" x 4.5")
 | 29.9 x 107.6 x 114.4 mm (1.18" x 4.24" x 4.5")
 | 
          
            | Motherboard | 100 x 105 mm | 100 x 105 mm | 100 x 105 mm | 100 x 105 mm | 
          
            | CPU | 4th generation Intel® Core™ i7-4500U 1.8GHz / 3.0GHz | 4th generation Intel® Core™ i5-4200U 1.6GHz / 2.6GHz | 4th generation Intel® Core™ i3-4010U 1.7GHz | 4th generation Intel® Celeron® 2955U 1.4GHz | 
          
            | Memory | 2 x SO-DIMM DDR3 slots (DDR3L 1.35v)
 | 2 x SO-DIMM DDR3 slots (DDR3L 1.35v)
 | 2 x SO-DIMM DDR3 slots (DDR3L 1.35v)
 | 2 x SO-DIMM DDR3 slots (DDR3L 1.35v)
 | 
          
            | 1333 / 1600 MHz | 1333 / 1600 MHz | 1333 / 1600 MHz | 1333 / 1600 MHz | 
          
            | Max. 16GB | Max. 16GB | Max. 16GB | Max. 16GB | 
          
            | LAN | Gigabit LAN  (Realtek RTL8111G)
 
 | Gigabit LAN  (Realtek RTL8111G)
 
 | Gigabit LAN  (Realtek RTL8111G)
 
 | Gigabit LAN  (Realtek RTL8111G)
 
 | 
          
          
            | Audio | Realtek ALC269
 | Realtek ALC269
 | Realtek ALC269
 | Realtek ALC269
 | 
          
            | Graphics | Intel®  HD 4400 graphics | Intel® HD 4400 graphics | Intel® HD 4400 graphics | Intel® HD graphics | 
          
            | Expansion Slots | 1 x mSATA slot
 | 1 x mSATA slot
 | 1 x mSATA slot
 | 1 x mSATA slot
 | 
          
            | 1 x Half-size mini-PCIe slot occupied by the WiFi+BT card | 1 x Half-size mini-PCIe slot occupied by the WiFi+BT card | 1 x Half-size mini-PCIe slot occupied by the WiFi+BT card | 1 x Half-size mini-PCIe slot occupied by the WiFi+BT card | 
          
            | Front I/O | 2 x USB 3.0 
 | 2 x USB 3.0 
 | 2 x USB 3.0 
 | 2 x USB 3.0 
 | 
          
            | 1 x headphone jack with SPDIF  | 1 x headphone jack with SPDIF  | 1 x headphone jack with SPDIF  | 1 x headphone jack with SPDIF  | 
          
            | Rear I/O | 1 x HDMI
 | 1 x HDMI
 | 1 x HDMI
 | 1 x HDMI
 | 
          
            | 1 x Mini DisplayPort | 1 x Mini DisplayPort | 1 x Mini DisplayPort | 1 x Mini DisplayPort | 
          
            | 2 x USB 3.0  | 2 x USB 3.0  | 2 x USB 3.0  | 2 x USB 3.0  | 
          
            | 1 x RJ45 | 1 x RJ45 | 1 x RJ45 | 1 x RJ45 | 
          
            | 1 x DC-In | 1 x DC-In | 1 x DC-In | 1 x DC-In | 
          
            | 1 x Kensington lock slot | 1 x Kensington lock slot | 1 x Kensington lock slot | 1 x Kensington lock slot | 
          
            | Power Supply | Input: AC 100-240V
 | Input: AC 100-240V
 | Input: AC 100-240V
 | Input: AC 100-240V
 | 
          
            | Output: DC 19V | Output: DC 19V | Output: DC 19V | Output: DC 19V | 
          
            | 3.42A | 3.42A | 3.42A | 3.42A | 
          
            | VESA | Bracket included
 | Bracket included
 | Bracket included
 | Bracket included
 | 
          
            | Supports 75 x 75 and 100 x 100 mm
 | Supports 75 x 75 and 100 x 100 mm
 | Supports 75 x 75 and 100 x 100 mm
 | Supports 75 x 75 and 100 x 100 mm
 |