High Definition (HD) Audio, Realtek ALC662

Operating System : Windows 7 Home & Pro. MAR, Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS
Chipset : Intel Q270 Chipset
Processors : Intel Pentium and Intel Core i3, Intel Core i5, and Intel Core i7 6th & 7th Gen
Memory Support : UDIMM, DDR4-2400, 4 x 288-pin DIMM sockets
Hard Drive : SATA 6.0Gb/s, 2.5″/ 3.5″ wide, 5400 / 7200 rpm, Solid State Hybrid Drive (SSHD), Solid State Drive (SSD), M2
Removable Media : Optional 9-in-1 media reader, Sim DVD Burner
Expansion Bays : Bay 1 Slim external optical drive bay, Bay 2 3.5″, internal bay for HDD/SSD, Bay 3 2.5″, optional internal bay for HDD/SSD
Expansion Slots : One (1) PCI-e (LP) 3.0 x16, One (1) PCI-e (LP) 3.0 x1, One (1) PCI-e (LP) 3.0 x16 (x4 signal)
Graphics : Up to Integrated Intel HD Graphics
Audio : High Definition (HD) Audio, Realtek ALC662
Communications : Gigabit ethernet connection
I/O Ports : Front: Four (4) USB 3.0, Audio I/O Rear: Four (4) USB 3.0, Audio I/O, Serial, VGA, Two (2) DP, LAN, Two (2) PS2
Power : 180W, autosensing, 85% PSU
Dimensions : 290.5 mm x 92.5 mm x 343.5 mm
Weight : 5.4kg

Operating System : Windows 7 Home & Pro. MAR, Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS
Chipset : Intel Q270 Chipset
Processors : Intel Pentium and Intel Core i3, Intel Core i5, and Intel Core i7 6th & 7th Gen
Memory Support : UDIMM, DDR4-2400, 4 x 288-pin DIMM sockets
Hard Drive : SATA 6.0Gb/s, 2.5″/ 3.5″ wide, 5400 / 7200 rpm, Solid State Hybrid Drive (SSHD), Solid State Drive (SSD), M2
Removable Media : Optional 9-in-1 media reader, Sim DVD Burner
Expansion Bays : Bay 1 Slim external optical drive bay, Bay 2 3.5″, internal bay for HDD/SSD, Bay 3 2.5″, optional internal bay for HDD/SSD
Expansion Slots : One (1) PCI-e (LP) 3.0 x16, One (1) PCI-e (LP) 3.0 x1, One (1) PCI-e (LP) 3.0 x16 (x4 signal)
Graphics : Up to Integrated Intel HD Graphics
Audio : High Definition (HD) Audio, Realtek ALC662
Communications : Gigabit ethernet connection
I/O Ports : Front: Four (4) USB 3.0, Audio I/O Rear: Four (4) USB 3.0, Audio I/O, Serial, VGA, Two (2) DP, LAN, Two (2) PS2
Power : 180W, autosensing, 85% PSU
Dimensions : 290.5 mm x 92.5 mm x 343.5 mm
Weight : 5.4kg

Operating System : Windows 7 Home & Pro. MAR, Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS
Chipset : Intel Q170 Chipset
Processors : Intel Pentium and Intel Core™ i3, Intel Core i5, and Intel Core i7 6th Gen
Memory Support : Four (4) DIMM slots , Up to 64 GB DDR4 2133 UDIMM
Hard Drive : SATA 6.0Gb/s, 2.5″/ 3.5″ wide, 5400 / 7200 rpm, Solid State Hybrid Drive (SSHD), Solid State Drive (SSD), M2
Removable Media : Optional 9-in-1 media reader, DVD-ROM SATA or Multi DVD-RW
Expansion Bays : External: One (1) 9.5mm high, Internal: One (1) 3.5-inch, One (1) 2.5-inch
Expansion Slots : One (1) PCI-e (LP) 3.0 x16, One (1) PCI-e (LP) 3.0 x1, One (1) PCI-e (LP) 3.0 x4
Graphics : Intel HD Graphics 510/530
Audio : High Definition (HD) Audio, Realtek ALC662
Communications : Gigabit ethernet, Intel Ethernet Connection I219-LM
I/O Ports : Front: Two (2) USB 3.0, Audio I/O Rear: Six (6) USB 3.0, Audio I/O, Serial, VGA, Two (2) DP
Input Devices : Preferred Pro USB Keyboard (USB connector), Lenovo logo
Enhanced Optical USB Mouse, black, Lenovo logo
Power : 210 watts, autosensing, 85% PSU
Dimensions : 338mm X 357mm X 88mm
Weight : 12.3 lb (5.6 kg)