Lenovo ThinkSystem SR665 V3 - Page 16

Network
• OCP module in the rear or front of the server, which provides two or four Ethernet connectors for network support
Note: If ThinkSystem Redundant System Management Port Adapter is installed on the server, it will not be
displayed on the PCIe card list of system management software, such as XCC, LXPM, and so on.
System fan
• Supported fan types:
– Standard fan 6038 (single-rotor, 17000 RPM)
– Performance fan 6056 (dual-rotor, 21000 RPM)
• Fan redundancy: N+1 redundancy, one redundant fan rotor
– One processor: five hot-swap system fans (one redundant fan rotor)
– Two processors or one processor with middle/rear bay or Riser 3: six hot-swap system fans (one redundant fan
rotor)
Notes:
• Single-rotor hot-swap fans cannot be mixed with dual-rotor hot-swap fans.
• The redundant cooling by the fans in the server enables continued operation if one rotor of a fan fails.
• When the system is powered off but still plugged in to AC power, fans 1 and 2 may continue to spin at a much lower
speed. This is the system design to provide proper cooling.
Power supplies
The server supports up to two hot-swap power supplies for redundancy.
Power supply
100–127 V ac 200–240 V ac 240 V dc -48 V dc
750W Platinum
√ √ √
750W Titanium
√ √
1100W Platinum
√ √ √
1100W Titanium
√ √
1800W Platinum
√ √
1800W Titanium
√ √
2400W Platinum
√ √
2600W Titanium
√ √
1100W -48V DC
√
CAUTION:
• 240 V dc input (input range: 180-300 V dc) is supported in Chinese Mainland ONLY.
• Power supply with 240 V dc input cannot support hot plugging power cord function. Before removing the
power supply with dc input, please turn off server or disconnect dc power sources at the breaker panel or by
turning off the power source. Then, remove the power cord.
Minimal configuration for debugging
• One processor in socket 1
• One memory module in slot 7
• One power supply unit
• One HDD/SSD drive, one M.2 drive, or one 7mm drive (if OS is needed for debugging)
• Five system fans
6 ThinkSystem SR665 V3 User Guide