Specifications:
Processor: Intel Core i5-6400 2.7GHz (Turbo up to 3.3GHz) 6MB Cache
Processor Core: Quad-Core
Memory: Upgraded to 8GB DDR4-2133 (supports up to 32GB)
Memory Slots: 2
Graphics: Intel HD Graphics 530
Hard Drive: 500GB (7200rpm) SATA
Optical Drive: Slimline SuperMulti DVD±RW
Sound: Integrated
Network: 10/100/1000 Gigabit Ethernet
Wireless: No

Front Ports:

• (2) USB 3.0
• (1) Headphone
• (1) Microphone

Rear Ports:

• (2) USB 2.0
• (2) USB 3.0
• (1) DisplayPort
• (1) VGA
• (1) RJ-45
• (1) Serial
• (1) Audio-in
• (1) Audio-out

Expansion Slots & Bays:

• (1) PCI Express 2.0 x16 Low-Profile slot
• (1) M.2 Slot (for WLAN)
• (1) External Slimline 5.25-inch bay
• (1) Internal 3.5-inch bay

Operating System:
Genuine Windows 10 Professional (64-bit)

Power Supply:
180W Max

Dimensions:
11.6" W X 12.6" D X 3.5" H

In the box:

Lenovo S510 Small Form Factor Desktop, Intel Core i5-6400 2.7GHz Quad-Core, 8GB DDR4, 500GB SATA, Win10Pro
Power Cable
USB Mouse
USB Keyboard

• Processor: Intel Quad-Core i5-6400 2.7GHz (Turbo up to 3.3GHz) 6MB Cache
• Memory: Upgraded to 8GB DDR4 RAM, 500GB (7200rpm) SATA Hard Drive,
• Slimline SuperMulti DVD±RW, 10/100/1000 Gigabit Ethernet, Intel HD Graphics 530
• Front Ports: (2) USB 3.0, (1) Headphone, (1) Microphone, Rear Ports: (2) USB 2.0, (2) USB 3.0, (1) DisplayPort, (1) VGA, (1) RJ-45, (1) Serial, (1) Audio-in, (1) Audio-out
• Windows 10 Professional, USB mouse and keyboard included

Processor: Intel Quad-Core i5-6400 2.7GHz (Turbo up to 3.3GHz) 6MB CacheAvant Digital