Lenovo ThinkSystem ST650 V3 - Page 17

System fan
System fan
The server supports up to four hot-swap fans:
• 9238 single-rotor hot-swap fans
• 9256 dual-rotor hot-swap fans
Notes:
• Single-rotor hot-swap fans cannot be mixed with dual-rotor hot-swap fans.
• When the system is powered off but still plugged in to AC power, the fan in slot 4 may continue to spin at a much
lower speed. This is the system design to provide proper cooling.
• See “Technical rules for system fans” in the User Guide or Hardware Maintenance Guide for detailed information
about the technical rules for fan installation.
Electrical input
Electrical input
This server supports up to two units of CFF V4 power supplies with 1+1 redundancy. Following is the list of supported
types:
• 750-watt Platinum
• 1100-watt Platinum
• 1100-watt Titanium
• 1800-watt Platinum
• 1800-watt Titanium
• 2600-watt Titanium
Notes:
– 100V+ is only allowed on the following:
– 750-watt Platinum
– 1100-watt Platinum
– 200V+ is allowed only with the following power supplies:
– 750-watt Platinum
– 1100-watt Platinum
– 1100-watt Titanium
– 1800-watt Platinum
– 1800-watt Titanium
– 2600-watt Titanium
Important: All power supplies to be installed must be with the same power rating, wattage or level.
CAUTION:
• 240 V DC input (input range: 180-300 V DC) is only supported in Chinese Mainland.
• Power supplies with 240 V DC input do not support hot-plugging power cord function. To remove the power
cord, make sure to have turned off the server or disconnect the dc power sources at the breaker panel.
• In order for the ThinkSystem products to operate error free in both a DC or AC electrical environment, a TN-
S earthing system which complies to 60364-1 IEC 2005 standard has to be present or installed.
Chapter 1. Introduction 9