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Preinstalled operating system
Your computer is preinstalled with Windows 7 or Windows 10 operating system. Additional operating
systems might be identified by Lenovo as compatible with your computer. To determine if an operating
system has been certified or tested for compatibility, check the Web site of the operating system provider.
Power supply
Your computer comes with a 90-watt or 120-watt ac power adapter.
Storage drives
Your computer supports one storage drive (hard disk drive, hybrid drive, or solid-state drive).
To view the amount of storage drive space, do the following:
1. Depending on your Windows version, do one of the following:
• For Windows 7: Click the Start button to open the Start menu. Right-click Computer, and then click
Manage.
• For Windows 10: Right-click the Start button to open the Start context menu.
2. Click Disk Management.
Video features
The integrated graphics card supports the HDMI-out connector.
Audio features
The integrated audio card supports the following audio connectors and devices on your computer:
• Headset connector
• Integrated microphone
• Internal speaker
Input/Output (I/O) features
• Card reader slot
• Ethernet connector
• HDMI-out connector
• Headset connector
• USB connector
Expansion
• Card reader
• Memory slot
• Optical drive
• Storage drive bay
Network features
• Ethernet LAN
The integrated network interface card supports the Ethernet connector on your computer.
• Wireless LAN
• Bluetooth
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Lenovo S400z and S405z User Guide
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