Lenovo ThinkSystem SR550 ServerProduct GuideThe Lenovo ThinkSystem SR550 dual-socket 2U rack server is ideal for small to large organizationsthat need industry-leading reliability, management, and security, as well as cost-optimized performance,storage capacity, and flexible I/O. Designed to handle a wide range of workloads, the SR550 server cost-effectively performs complex analytics on structured and unstructured data, speeds transactional systems,and powers through collaboration workloads with ever-growing data sets and large files shared within anorganization.Featuring the Intel Xeon Processor Scalable Family, the SR550 server offers a balance of performance,capacity and value. The SR550 server supports up to two processors, up to 768 GB of 2666 MHz TruDDR4memory, up to 16x 2.5-inch or up to 12x 3.5-inch drive bays with an extensive choice of SAS/SATA SSDsand SAS/SATA HDDs, and flexible and scalable I/O expansion options with the LOM slot and up to 6xPCIe slots.The SR550 server offers basic software RAID or advanced hardware RAID protection and a wide range ofnetworking options, including embedded LOM, selectable LOM, ML2, and PCIe network adapters. Thenext-generation Lenovo XClarity Controller, which is built into the SR550 server, provides advanced serviceprocessor control, monitoring, and alerting functions.The following figure shows the Lenovo ThinkSystem SR550.Figure 1. Lenovo ThinkSystem SR550Did you know?The SR550 server delivers impressive compute power per watt, featuring 80 PLUS Titanium and Platinumredundant power supplies that can deliver 96% (Titanium) or 94% (Platinum) efficiency at 50% load whenconnected to a 200 - 240 V AC power source.The SR550 server is designed to meet ASHRAE A4 standards (up to 45 °C [113 °F]) in select configurations,which enable customers to lower energy costs, while still maintaining world-class reliability.Lenovo ThinkSystem SR550 Server 1