Lenovo ThinkSystem SR550 Setup Manual page 11

Table 1. Server specifications (continued)
Specification
Input/Output (I/O) features
RAID adapters (depending on
the model)
Fans
Power supplies
Description
• Front panel:
– One XClarity Controller USB connector
– One USB 3.0 connector
– One VGA connector (available on some models)
• Rear panel:
– One VGA connector
– Two USB 3.0 connectors
– One XClarity Controller network connector
– Two Ethernet connectors
– Two Ethernet connectors on the LOM adapter (available on some models)
• A RAID 530-8i SAS/SATA adapter that supports JBOD mode and RAID levels 0, 1,
5, 10, and 50
• A RAID 730-8i 1G Cache SAS/SATA adapter that supports JBOD mode and RAID
levels 0, 1, 5, 10, and 50
• A RAID 730-8i 2G Flash SAS/SATA adapter that supports JBOD mode and RAID
levels 0, 1, 5, 6, 10, 50, and 60
• A RAID 930-8i or 930-16i SAS/SATA adapter that supports JBOD mode and RAID
levels 0, 1, 5, 6, 10, 50, and 60
• A RAID 930-8e SAS/SATA adapter that supports JBOD mode and RAID levels 0,
1, 5, 6, 10, 50, and 60
Notes:
• RAID 730-8i 1G Cache SAS/SATA adapter is not available for North America.
• RAID 530-8i SAS/SATA adapter cannot be mixed with RAID 730-8i 1G Cache
SAS/SATA adapter.
• RAID 730-8i 2G Flash SAS/SATA adapter cannot be mixed with RAID 730-8i 1G
Cache SAS/ SATA adapter or RAID 930-8i SAS/SATA adapter.
• A RAID super capacitor module must be installed if the RAID 730-8i 2G Flash SAS/
SATA adapter, RAID 930-8i or 930-16i SAS/SATA adapter, or RAID 930-8e SAS/
SATA adapter is installed.
• One processor: three system fans (including one redundant fan)
• Two processors: four system fans (including one redundant fan)
Note: If your server comes with only one processor, three system fans (fan 1 to fan
3) are adequate to provide proper cooling. However, you must keep the locations for
fan 4 occupied by a fan filler to ensure proper airflow.
One or two hot-swap power supplies for redundancy support
• 550-watt ac 80 PLUS Platinum
• 750-watt ac 80 PLUS Platinum
• 750-watt ac 80 PLUS Titanium
.
Chapter 1 Introduction
7