Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS
Chipset :Intel C226
Processors :Intel Core i3, i5, i7 4th Gen
Memory Support :Four (4) DIMM slots , Up to 32 GB DDR3 SDRAM
Hard Drive :SATA 6.0Gb/s 7200 rpm
Removable Media :Super Multi-Burner DL DVD±RW SATA
Expansion Bays :External: One (1) 5.25-inch x 1/2H, Internal: One (1) 3.5-inch
Expansion Slots :One (1) LP PCI Express x16, One (1) LP 32-bit PCI 2.3, One (1) LP PCI Express x1, One (1) LP PCI Express x16 (x4 mode)
Graphics :Intel HD Graphics 4600
Audio :High Definition Audio
Communications :Gigabit ethernet port, Intel I217-LM
I/O Ports :Front: Two (2) USB, microphone, headphone Rear: Six (6) USB, Stereo LI, Speakers LO, VGA, Two (2) DP, One (1) Serial
Input Devices :Pro USB Keyboard (USB connector), 104-key, black, Lenovo? logo
Enhanced Optical USB Mouse, 1000 dpi, black, Lenovo logo
Power :80 PLUS Bronze
Dimensions :337mm X 390mm X 99mm
Weight :7.8 kg