Rear button
NMI button on the rear of the server
RAID adapter
Support the following RAID adapters:
• ThinkSystem RAID 540-8i PCIe Gen4 12Gb Adapter
• ThinkSystem RAID 940-16i 4GB Flash PCIe Gen4 12Gb Adapter
• ThinkSystem RAID 940-16i 8GB Flash PCIe Gen4 12Gb Internal Adapter
• ThinkSystem 440-16i SAS/SATA PCIe Gen4 12Gb HBA
System fan
Supported fan types:
• Standard fan 4056 (dual-rotor, 21000 RPM)
• Performance fan 4056 (dual-rotor, 28000 RPM)
Fan redundancy: N+1 redundancy, one redundant fan rotor
• One processor: six hot-swap dual-rotor system fans (one redundant fan rotor)
• Two processors: eight hot-swap dual-rotor system fans (one redundant fan rotor)
Note: The redundant cooling by the fans in the server enables continued operation if one rotor of a fan fails.
Electrical input
One or two hot-swap power supplies for redundancy support:
Power supply 220–230 V ac
1800-watt 80 PLUS Platinum
√
1100-watt 80 PLUS Titanium
√
Important: Power supplies and redundant power supplies in the enclosure must be with the same power rating,
wattage or level.
Minimal configuration for debugging
• One processor in processor socket 1
• One memory module in slot 7
• One power supply
• One HDD/SSD drive or one M.2 drive (if OS is needed for debugging)
• Six system fans (with one processor)
Operating systems
Supported and certified operating systems:
• Microsoft Windows Server
• VMware ESXi
References:
• Complete list of available operating systems:
https://lenovopress.com/osig.
• OS deployment instructions, see “Deploy the operating system” on page 182.
Chapter 1. Introduction 5
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