• Lenovo ThinkSystem SR650 – Scalable 2U Rack Server with Dual Intel® Xeon® Scalable CPUs

    Keywords

    Lenovo ThinkSystem SR650, Intel Xeon Scalable Gen 2, 2U rack server, TruDDR4 memory, Intel Optane DCPMM, AnyBay storage, U.2 NVMe ports, XClarity Controller, Predictive Failure Analysis, ThinkShield security

    Description

    The [Lenovo ThinkSystem SR650](#Lenovo ThinkSystem SR650) is a 2U, two-socket rack server optimized for small businesses through large enterprises, handling databases, virtualization, cloud, VDI, and big-data analyticsLenovo Press. Powered by up to two Intel® Xeon® Scalable Family Gen 2 processors—with up to 28 cores, 38.5 MB cache, and 10.4 GT/s UPI links—it delivers 36 % higher performance over its predecessorLenovo Press.

    Memory scales to 3 TB using 24 DIMMs of TruDDR4 at up to 2933 MT/s, and up to 7.5 TB when augmented with Intel® Optane™ DC Persistent Memory modules, accelerating in-memory and virtualization workloads while maintaining data integrity via ECC, Chipkill, and memory rank sparingLenovo Press.

    Storage is highly flexible: front bays can house up to 24 2.5″ AnyBay drives (SAS/SATA/NVMe) or 14 3.5″ HDD/SSD, plus two onboard U.2 NVMe ports to free PCIe slots, and two M.2 boot drives for OS without consuming drive baysLenovo Press.

    Six rear PCIe 3.0 slots support additional NICs, HBAs, or accelerators, delivering up to 8 GT/s per link via Intel Integrated I/OLenovo Press.

    Lenovo XClarity Controller (embedded) and XClarity Administrator (centralized) automate deployment, firmware updates, and health monitoring—cutting provisioning time by up to 95 %—while ThinkShield security (TPM 2.0, Secure Boot, PFR, chassis intrusion) protects your data end-to-endLenovo Press. Enterprise RAS features like Predictive Failure Analysis and light-path diagnostics ensure 24×7 uptime in ASHRAE A4 environments (up to 45 °C)Lenovo Press

    Key Features

    • Dual Xeon® Scalable Gen 2 CPUs: Up to 2× 28-core processors, 10.4 GT/s UPI, Intel Turbo Boost 2.0, Hyper-Threading, AVX-512, VNNI, Speed SelectLenovo Press

    • Up to 7.5 TB Memory: 24× TruDDR4 DIMMs at 2933 MT/s (3 TB) and 12× Intel Optane™ DCPMM (up to 7.5 TB total)Lenovo Press

    • AnyBay Drive Bays: Up to 24× 2.5″ or 14× 3.5″ hot-swap; 4 AnyBay bays for SAS/SATA/NVMe; 2× onboard U.2 NVMe ports; 2× M.2 boot drivesLenovo Press

    • High‐Speed I/O: 6× PCIe 3.0 expansion slots; Intel Integrated I/O embeds PCIe 3.0 controller at 8 GT/s; onboard NVMe ports free slotsLenovo Press

    • Enterprise RAS: Predictive Failure Analysis, light-path diagnostics, hot-swap drives/PSUs/fans, redundant cooling, ASHRAE A4 supportLenovo Press

    • Lenovo XClarity Management: Embedded Controller (XCC), Provisioning Manager (UEFI), Administrator, Energy Manager, Redfish APILenovo Press

    • ThinkShield Security: TPM 2.0, Secure Boot, Platform Firmware Resiliency, chassis intrusion switch, secure supply chainLenovo Press

    Configuration

    ComponentSpecification
    Form Factor2U rack server (42.8× 482× 700 mm)
    Processors1–2× Intel® Xeon® Scalable Gen 2 (Bronze–Platinum), up to 28 cores, 125 W–205 W TDP
    Memory24× TruDDR4 UDIMM slots (2666/2933 MT/s) up to 3 TB; 12× DCPMM modules up to 7.5 TB App Direct mode
    Drive BaysUp to 24× 2.5″ AnyBay or 14× 3.5″ hot-swap; 4× AnyBay; 2× onboard U.2 NVMe; 2× M.2 boot (RAID 1)
    RAID & HBABroadcom 12 Gb/s SAS RAID (530i/730-8i/930-8i/16i/24i) with up to 4 GB cache; Intel RSTe SW RAID
    I/O Slots1× LOM; 1× storage controller slot; 6× PCIe 3.0 FH/LP; onboard NVMe ports
    Network2× 1 GbE LOM; optional ML2 or PCIe 10/25/40/100 GbE adapters
    Power Supplies2× hot-swap 550 W–1100 W Platinum/Titanium PSUs; N+N redundancy
    ManagementXClarity Controller, XClarity Administrator, Provisioning Manager, Energy Manager

    Compatibility

    Certified for:

    Usage Scenarios

    • Virtualization & VDI: Up to 56 cores/112 threads and NVMe AnyBay bays accelerate VM density and boot stormsLenovo Press.

    • Databases & Analytics: High memory bandwidth and NVMe I/O deliver sub-millisecond response for in-memory databases and real-time analyticsLenovo Press.

    • Cloud & Big Data: Scalable CPU, memory, and storage options adapt to multi-tenant cloud platforms and big-data frameworks like Hadoop or SparkLenovo Press.

    Frequently Asked Questions

    Q1: How do AnyBay bays work?
    A1: AnyBay bays accept SAS, SATA, or U.2 NVMe SSDs interchangeably, letting you mix drive types in the same sleds for optimized capacity or performanceLenovo Press.

    Q2: Can I boot from NVMe or M.2 on the SR650?
    A2: Yes—two onboard U.2 NVMe ports and two M.2 slots support OS boot volumes (RAID 1) without consuming hot-swap baysLenovo Documentation.

    Q3: What management tools are included?
    A3: XClarity Controller (embedded) provides agent-free health monitoring; Provisioning Manager (UEFI) offers setup and diagnostics; Administrator centralizes 1:many firmware updates and power managementLenovo Press.

    Q4: Which reliability features prevent downtime?
    A4: Predictive Failure Analysis for CPUs, memory, drives, fans, and PSUs; light-path LEDs for diagnostics; hot-swap drives/PSUs/fans; ASHRAE A4 certified for high-temp operationLenovo Press.

    Q5: How much memory can I install?
    A5: Up to 3 TB of TruDDR4 RDIMMs or up to 7.5 TB total in App Direct mode using 12 DCPMMs alongside RDIMMsLenovo Press.

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