To Next PageTo Next Page
Need help?Do you have a question about the Lenovo ThinkSystem SR645 and is the answer not in the manual?
Overview of front panel components including buttons, LEDs, drive bays, and rack latches.
Overview of rear panel components including PCIe slots, drive bays, power supplies, and connectors.
Details storage options for front/rear bays and internal M.2 drives, plus networking connectors.
Details the physical dimensions and weight of the server.
Lists supported processors and socket type for the server.
Outlines memory slots, minimum/maximum capacity, and types of supported memory modules.
Provides links to Lenovo Press, forums, support, and compatibility information.
The Lenovo ThinkSystem SR645 is a high-performance server designed for demanding data center environments, offering a blend of robust functionality, flexible configuration options, and user-friendly maintenance features. This quick start guide provides an overview of its physical components and initial setup, making it easier for users to deploy and manage the server effectively.
At its core, the ThinkSystem SR645 serves as a powerful computing platform, capable of handling a wide range of workloads from virtualization and cloud computing to data analytics and high-performance computing (HPC). It is built to support two AMD EPYC™ processors, providing substantial processing power and scalability. The server's design emphasizes modularity, allowing users to customize storage, networking, and memory configurations to meet specific operational requirements.
The front of the server features various drive bays, supporting both 2.5-inch and 3.5-inch SAS/SATA/NVMe drives, which can be configured for different storage capacities and performance levels. This flexibility extends to the rear of the server, where additional drive bays for 2.5-inch SAS/SATA/NVMe drives and 7mm drives are available, along with internal M.2 drive options for boot or caching purposes. This extensive storage capability ensures that the SR645 can accommodate diverse data storage needs, from high-speed transactional databases to large-scale archival solutions.
Networking capabilities are robust, with an XClarity Controller network connector for out-of-band management and optional Ethernet connectors on an OCP 3.0 Ethernet adapter. This provides essential connectivity for integration into existing network infrastructures and enables remote management, which is crucial for data center operations. The server also includes multiple PCIe slots, allowing for the addition of various expansion cards, such as high-speed network adapters, Fibre Channel HBAs, or GPU accelerators, further enhancing its versatility.
The ThinkSystem SR645 is designed with ease of use and operational efficiency in mind. The front panel includes a power button with a power status LED, a system ID button with a system ID LED, and a system error LED, providing immediate visual feedback on the server's operational status and any potential issues. For quick diagnostics, an external diagnostics connector and a pull-out information tab are available, offering convenient access to system information without needing to open the server chassis. An optional VGA connector is also present for local display output.
The server's drive bays are clearly labeled and accessible from the front, simplifying drive installation and replacement. Drive status LEDs and drive activity LEDs provide real-time information on the operational state of each drive, aiding in proactive maintenance and troubleshooting. For models equipped with an LCD diagnostics panel, detailed system information and error codes can be displayed directly on the server, further streamlining diagnostic processes.
Rear panel features are equally user-centric. Multiple USB 3.1 Gen 1 connectors and a USB 2.0 connector with XClarity Controller management provide ample connectivity for peripherals and management interfaces. The XClarity Controller network connector facilitates remote management, allowing administrators to monitor and control the server from a centralized location, reducing the need for physical presence in the data center. Power supplies are designed for easy access, supporting hot-swapping for continuous operation during maintenance. The presence of an NMI button allows for non-maskable interrupt generation, which can be useful for advanced troubleshooting and debugging.
The server's physical design includes rack latches on both the left and right sides, ensuring secure installation into a standard server rack. The option of a cable management arm (available on some models) helps organize cables, preventing clutter and improving airflow within the rack, which is vital for maintaining optimal operating temperatures.
Maintenance of the ThinkSystem SR645 is streamlined through several design choices and integrated management tools. The modular nature of the server allows for easy replacement of components. For instance, hot-swappable power supplies mean that a failed power supply can be replaced without powering down the server, minimizing downtime. Similarly, front-accessible drive bays facilitate quick drive replacement, which is critical for maintaining storage availability and performance.
The XClarity Controller (XCC) is a key management feature, providing comprehensive remote management capabilities. Through the XCC, administrators can monitor server health, perform firmware updates, manage power settings, and troubleshoot issues from any location with network access. The network activity LED for the OCP 3.0 Ethernet adapter and the system error LED on the front panel provide immediate visual cues for network status and critical system faults, enabling prompt intervention.
For more detailed diagnostics, the optional LCD diagnostics panel (3a) offers a local interface to view system status and error messages. This can be particularly useful during initial setup or when network access to the XCC is unavailable. The pull-out information tab (12) provides quick access to essential server information, such as serial numbers or MAC addresses, which can be helpful during support calls or inventory management.
The server's design also considers physical access for maintenance. The rack latches (10, 15) allow the server to be easily slid out of the rack for internal component access. The inclusion of a material box with an accessory kit and documentation ensures that users have the necessary tools and information for initial setup and ongoing maintenance. Lenovo's commitment to providing detailed documentation, accessible through their support websites, further aids in maintenance by offering comprehensive guides for hardware installation, configuration, and troubleshooting. The ServerProven website, for example, lists compatible hardware components, ensuring that any upgrades or replacements are fully supported.
Overall, the Lenovo ThinkSystem SR645 is engineered to be a reliable, high-performance server that is also easy to deploy, manage, and maintain, making it an excellent choice for modern data centers.
General| Product Type | Server |
|---|---|
| Memory Slots | 32 DIMM slots |
| RAID Support | RAID 0, 1, 10, 5, 50, 6, 60 |
| Processor | AMD EPYC |
| Memory | Up to 4TB |
| Storage Controller | RAID 0/1/10/5/6 |
| Network Interface | 1GbE and 10GbE options |
| Operating System Support | Windows, Linux, VMware |
| Form Factor | 2U Rack |
