Lenovo Think System SR250 is an affordable, single-socket 1U rack server for small & medium businesses that need optimized performance & flexibility for future growth, along with enterprise-class reliability, management, & security. The SR250 server offers a wide range of processors — from Intel Celeron to Intel Xeon E Series. With support for a memory capacity of up to 64 GB & internal storage of up to 32 TB, the SR250 server is an ideal choice for small- to medium-sized business, workgroups, distributed locations, & web-scale workloads. This product guide provides essential technical & pre-sales information on the SR250 server, its key features & specifications, components & options, & configuration guidelines. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, & other IT professionals who want to learn more about the SR250 server & consider its use in IT solutions. Lenovo Think System SR250 is an affordable, single-socket 1U rack server for small & medium businesses that need optimized performance & flexibility for future growth, along with enterprise-class reliability, management, & security. The SR250 server offers a wide range of processors — from Intel Celeron to Intel Xeon E Series. With support for a memory capacity of up to 64 GB & internal storage of up to 32 TB, the SR250 server is an ideal choice for small- to medium-sized business, workgroups, distributed locations, & web-scale workloads. Flexible & scalable internal storage configurations include up to ten 2.5-inch or four 3.5-inch drives with affordable software RAID or advanced hardware RAID protection & a wide selection of drive sizes & types, including NVMe PCIe SSDs, SAS/SATA SSDs, & SAS/SATA HDDs. Also, it features integrated dual-port 1 Gb Ethernet NIC & additional PCIe expansion slots for hardware RAID protection, network scalability, & external storage connectivity. The next-generation Lenovo XClarity Controller, which is built into the SR250 server, provides advanced service processor control, monitoring, & alerting functions. The SR250 server offers enterprise-class reliability features such as error correcting code (ECC), hot-swap components, & advanced RAID protection with flexible storage options at an affordable price. The SR250 server has a mere 19.6-inch (498 mm) deep chassis, helping customers reduce their business footprint. The SR250 server offers performance, energy efficiency, & serviceability features, such as NVMe PCIe SSDs, 80 PLUS Gold & Platinum certified power supplies, & easy access to upgrades & serviceable parts (such as memory DIMMs & adapter cards), which is not typically found in the single-socket value servers. The SR250 server offers easy-to-use, enterprise-class manageability to monitor server availability & perform remote management with the built-in Lenovo XClarity Controller. The SR250 server is a compact, cost-effective, single-processor 1U rack server that has been optimized to provide enterprise-class features to small-to-medium-sized businesses, retail stores, or distributed enterprises. Scalability & performance The SR250 server offers numerous features to boost performance, improve scalability, & reduce costs: Improves productivity by offering superior system performance with the Intel Xeon E Processor family with up to 6-core processors & up to 3.8 GHz core speeds, up to 12 MB of last level cache (LLC), up to 2666 MHz memory speeds, & up to 8 GT/s bus speed. Choice of processors with up to six cores & up to 12 threads to enable the effective use of multithreaded applications. Intelligent & adaptive system performance with energy efficient Intel Turbo Boost 2.0 Technology allows CPU cores to run at maximum speeds during peak workloads by temporarily going beyond processor thermal design power (TDP). Intel Hyper-Threading Technology boosts performance for multithreaded applications by enabling simultaneous multithreading within each processor core, up to two threads per core. Intel Virtualization Technology integrates hardware-level virtualization hooks that allow operating system vendors to better utilize the hardware for virtualization workloads. Intel Advanced Vector Extensions (AVX) enable acceleration of enterprise-class & high-performance computing (HPC) workloads. Provides memory speed, availability, & capacity of up to 64 GB memory with up to four 2666 MHz DDR4 ECC UDIMMs. Offers flexible & scalable internal storage in a 1U rack form factor with up to 10x 2.5-inch drives for performance-optimized configurations or up to 4x 3.5-inch drives for capacity-optimized configurations, providing a wide selection of SAS/SATA HDD/SSD & PCIe NVMe SSD types & capacities. Provides I/O scalability with the onboard LOM interface & up to three PCI Express (PCIe) 3.0 I/O expansion slots in a 1U rack form factor. Reduces I/O latency & increases overall system performance with Intel Integrated I/O Technology that embeds the PCI Express 3.0 controller into the Intel processors. Availability & serviceability The SR250 server provides many features to simplify serviceability & increase system uptime: &
- ; Offers ECC protection which provides error correction not available in PC-class "servers" that use parity memory. &
- ; Provides easy access to upgrades & serviceable parts (such as memory DIMMs & adapter cards) with tool-less cover removal. &
- ; Offers data protection & greater system uptime with a choice of affordable onboard SATA RAID or advanced hardware RAID redundancy, along with hot-swap drives (select models). &
- ; Provides availability for business-critical applications with redundant hot-swap power supplies (select models). &
- ; Allows preventive actions in advance of possible failure, thereby increasing server uptime & application availability with Proactive Platform Alerts (including PFA & SMART alerts) for memory, internal storage (SAS/SATA HDDs & SSDs, NVMe SSDs, M.2 SSDs), RAID controllers, & server ambient & sub-component temperatures. &
- ; Continuously monitors system parameters, triggers alerts, & performs recovery actions in case of failure to minimize downtime with Built-in XClarity Controller (XCC). &
- ; Provides quick access to system status, firmware, network, health, & alerts information via Virtual Operator Panel from the XClarity Mobile App running on the Android or i OS mobile device that is connected to the front USB (Universal Serial Bus) port with XClarity Controller access. &
- ; Speeds up troubleshooting tasks to reduce service time with diagnostics built into the XClarity Provisioning Manager. Manageability & security Powerful systems management features simplify local & remote management of the SR250 server & deliver enterprise-class data protection: Provides advanced service processor control, monitoring, & alerting functions with XClarity Controller, a next generation service processor. Improves Unified Extensible Firmware Interface (UEFI) system setup, configuration, updates, simplified error handling, & operating system deployment with the embedded XClarity Provisioning Manager. Offers XClarity Essentials software tools that can help customers set up, use, & maintain the server. Increases uptime, reduces costs, & improves productivity through advanced server management capabilities with Lenovo XClarity Administrator that provides comprehensive hardware management. Provides on-the-go monitoring & management of devices in XClarity Administrator from anywhere with the Lenovo XClarity mobile app, which can help improve efficiency & reduce downtime risks. Centralizes infrastructure resource management with Lenovo XClarity Integrators for VMware v Center & Microsoft System Center, extending XClarity Administrator features to virtualization management software tools & enabling users to deploy & manage infrastructure end-to-end. Offers advanced cryptographic functionality (such as digital signatures & remote attestation) with an integrated Trusted Platform Module (TPM) or optional Nationz TPM (available only in PRC). Keeps user data safe with Lenovo Business Vantage, a security software tool suite designed to work with the Nationz Trusted Platform Module (available only in PRC). Offers enterprise-class data protection with advanced RAID & optional self-encrypting drives. Provides faster, stronger encryption with industry-standard AES NI support. Helps prevent certain classes of malicious buffer overflow attacks with Intel Execute Disable Bit functionality, when combined with a supporting operating system. Enhances security through hardware-based resistance to malicious software attacks with Intel Trusted Execution Technology, allowing an application to run in its own isolated space, protected from all other software running on a system. Protects application code & data from disclosure or modification with Intel Software Guard Extensions (SGX), enabling high-assurance security use cases, such as blockchain, identity & records privacy, secure browsing, & digital rights management (DRM). Energy efficiency The SR250 server offers the following energy-efficiency features to save energy, reduce operational costs, increase energy availability, & contribute to the green environment: Delivers optimized compute power per watt, featuring 80 PLUS Gold (fixed) & Platinum (hot-swap) AC power supplies. Reduces power drawn with Intel Intelligent Power Capability that powers individual processor elements on & off as needed. Helps reduce power consumption with variable speed fans. Helps achieve lower heat output & reduced cooling needs with Lenovo XClarity Energy Manager that provides advanced data center power notification, analysis, & policy-based management.