Lenovo ThinkSystem SR550 Maintenance Manual page 12

Table 1. Server specifications (continued)
Specification
Operating systems
Internal drives
PCI Express (PCIe) slots
Input/Output (I/O) features
ThinkSystem SR550 Maintenance Manual
4
Description
Supported and certified operating systems:
• Microsoft Windows Server
• VMware ESXi
• Red Hat Enterprise Linux
• SUSE Linux Enterprise Server
For a complete list of operating systems, see:
https://lenovopress.com/osig
For OS deployment instructions, see: "Deploy the operating system" in Setup Guide..
• Up to eight 3.5-inch simple-swap SATA drives
• Up to twelve 3.5-inch hot-swap SAS/SATA drives
• Up to sixteen 2.5-inch hot-swap SAS/SATA drives
• Up to two internal M.2 drives
• One PCIe slot on system board
• Three PCIe slots on the riser 1 adapter
• Two PCIe slots on the riser 2 adapter
For detailed information, see "Rear view" on page 22.
• 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)