The Lenovo ThinkSystem SR650 V2 is an ideal 2-socket 2U rack server for small businesses up to large enterprises that need industry-leading reliability, management, and security, as well as maximizing performance and flexibility for future growth. The SR650 V2 is designed to handle a wide range of workloads, such as databases, virtualization and cloud computing, virtual desktop infrastructure (VDI), infrastructure security, systems management, enterprise applications, collaboration/email, streaming media, web, and HPC.

This product guide provides essential pre-sales information to understand the ThinkSystem SR650 V2 server, its key features and specifications, components and options, and configuration guidelines. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about the SR650 V2 and consider its use in IT solutions.

Comparing the SR650 V2 to the SR650

The ThinkSystem SR650 V2 improves on the previous generation SR650, as summarized in the following table.

FeatureSR650SR650 V2Benefits
Processor2x 2nd Gen Intel Xeon Scalable ProcessorUp to 28 cores & 205W per CPU48x PCIe 3.0 lanes per CPU2x 3rd Gen Intel Xeon Scalable ProcessorUp to 40 cores & 270W per CPU64x PCIe 4.0 lanes per CPUThe latest high-performance processors from IntelGreater computing performance with top bin CPUsFaster PCIe connectivityMore PCIe lanes means more NVMe drives
Memory6 channels per CPU24x TruDDR4 (R/LR/3DS) 2933 MHz DIMMsUp to 2DPC @ 2933MHzMax 3 TB with 24x 128 GB DIMMsIntel Optane PMem 100 Series8 channels per CPU32x TruDDR4 (RDIMM/3DS) 3200 MHz DIMMsUp to 1DPC & 2DPC @ 3200MHzMax 4 TB with 32x 128 GB DIMMsIntel Optane PMem 200 SeriesFaster memoryIncreased capacitySupport for new generation persistent memory
DiskUp to 26 total drives baysUp to 12x 3.5-inch or 24x 2.5-inch front bays2x 3.5-inch rear SAS/SATAUp to 24x 2.5-inch NVMe drives2x Internal M.2 with optional RAID 1Up to 40 total 2.5-inch drives baysUp to 12x 3.5-inch or 24x 2.5-inch front bays4x 3.5-inch or 8x 2.5-inch mid drive bays2x 2.5-inch rear SAS/SATA/NVMeUp to 32x 2.5-inch NVMe drives2x 7mm hot-swap rear SAS/SATA/NVMe for boot2x Internal M.2 with optional RAID 1More configuration choicesLarger number of NVMe drivesNew 7mm HS drives for OS bootNew mid and rear drive bay choicesHigher maximum capacitySupport mixing 2.5″/3.5″ HDD and NVMe drives
RAID12Gb SAS/SATA/RAID supportPCIe 3.0 adaptersOnboard SATA support with RAIDRange of 8-, 16- and 24-port RAID adapters8- and 16-port HBAs4x Onboard NVMe portsNVMe switch adapter support12Gb SAS/SATA/RAID supportPCIe 3.0 and PCIe 4.0 adaptersOnboard SATA support with RAIDOnboard VROC NVMe support with RAIDWider range of 8-, 16- and 32-port RAID adapters + SAS expander8- and 16-port HBAs12x Onboard NVMe portsNVMe Retimer adapters for 16x NVMeNew with Intel VROC for onboard SATA RAID and NVMe RAIDFeaturing industry’s latest PCIe Gen4 based RAID adaptersMore onboard ports and NVMe Retimers lower the cost of NVMe support
NetworkingSelectable LOM, 1GbE or 10GbEOptional ML2 and PCIe adapters1GbE dedicated management portSelectable OCP 3.0, 1GbE, 10GbE or 25GbEOptional PCIe adapters1GbE dedicated management portImproved performance & flexibilityOCP slot supports 25GbE
PCIeUp to 6x PCIe 3.0 slots1x dedicated RAID slotUp to 8x PCIe 4.0 slots1x internal bay for cabled RAID/HBANew PCIe 4.0 support
GPU supportUp to 5x NVIDIA T4 GPUsUp to 2x double-wide 300W GPUsUp to 8x NVIDIA T4 GPUsUp to 3x double-wide GPUsMore GPUs means more processing power per 2U server
Management and securityXClarity Controller with upgradesFull XClarity software suite including XClarity AdministratorOptional lockable front bezelXClarity Controller with upgradesFull XClarity software suite including XClarity AdministratorOptional lockable front bezelOptional intrusion switchSupport for External Diagnostics HandsetPlatform Firmware Resiliency (PFR) hardware Root of TrustCommon management tools with prior generationExternal Diagnostics Handset with LCD panel offers quick access to system status, firmware, network, and health informationPlatform Firmware Resiliency is an advanced security solution with a silicon-based to guard against corruption and unauthorized firmware updates
Power supplies2x Hot-swap PSUs up to 1100W, Platinum750W Hot-swap Titanium PSU-48V DC power for Telco240V HVDC support in China2x Hot-swap PSUs up to 1800W, Platinum750W Hot-swap Titanium PSU-48V DC power for Telco240V HVDC support in ChinaExpanded power supply portfolio for exact configuration required and sharing with rest of the 2-socket/4-socket ThinkSystem V2 servers
Machine types7Z72 – 1 year warranty
7Z73 – 3 year warranty
Form factor2U rack.
ProcessorOne or two third-generation Intel Xeon Scalable processor (formerly codenamed “Ice Lake”). Supports processors up to 40 cores, core speeds of up to 3.6 GHz, and TDP ratings of up to 270W.
ChipsetIntel C621A “Lewisburg” chipset, part of the platform codenamed “Whitley”
Memory32 DIMM slots with two processors (16 DIMM slots per processor). Each processor has 8 memory channels, with 2 DIMMs per channel (DPC). Lenovo TruDDR4 RDIMMs and 3DS RDIMMs are supported. DIMM slots are shared between standard system memory and persistent memory. DIMMs operate at up to 3200 MHz at 2 DPC.
Persistent memorySupports up to 16x Intel Optane Persistent Memory 200 Series modules (8 per processor) installed in the DIMM slots. Persistent memory (Pmem) is installed in combination with system memory DIMMs.
Memory maximumWith RDIMMs: Up to 4TB by using 32x 128GB 3DS RDIMMs
With Persistent Memory: Up to 6TB by using 16x 128GB 3DS RDIMMs and 16x 256GB Pmem modules
Memory protectionECC, SDDC (for x4-based memory DIMMs), ADDDC (for x4-based memory DIMMs, requires Platinum or Gold processors), and memory mirroring.
Disk drive baysUp to 20x 3.5-inch or 40x 2.5-inch hot-swap drive bays:Front bays can be 3.5-inch (8 or 12 bays) or 2.5-inch (8, 16 or 24 bays)Middle bays can be 3.5-inch (4 bays) or 2.5-inch (8 bays)Rear bays can be 3.5-inch (2 or 4 bays) or 2.5-inch (4 or 8 bays)Combinations of SAS/SATA, NVMe, or AnyBay (supporting SAS, SATA or NVMe) are availableThe server also supports these drives for OS boot or drive storage:Two 7mm drives at the rear of the server (in addition to any 2.5-inch or 3.5-inch drive bays)Internal M.2 module supporting up to two M.2 drivesSee Supported drive bay combinations for details.
Maximum internal storage2.5-inch drives:307.2TB using 40x 7.68TB 2.5-inch SAS/SATA SSDs491.52TB using 32x 15.36TB 2.5-inch NVMe SSDs96TB using 40x 2.4TB 2.5-inch HDDs1.92TB using 2x 0.96TB 7mm SSDs3.5-inch drives:360TB using 20x 18TB 3.5-inch HDDs153.6TB using 20x 7.68TB 3.5-inch SAS/SATA SSDs92.16TB using 12x 7.68TB 3.5-inch NVMe SSDs
Storage controller12x Onboard SATA ports (Intel VROC SATA RAID, formerly known as Intel RSTe RAID)Up to 12x Onboard NVMe ports (includes Intel VROC NVMe RAID, with optional license for non-Intel NVMe SSDs)NVMe Retimer Adapter (supports Intel VROC NVMe RAID)12 Gb SAS/SATA RAID adapters:RAID 530i-8i (cacheless) supports RAID 0, 1, 10, 5, 50RAID 530i-16i (cacheless) supports RAID 0, 1, 10RAID 930-8i with 2GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60RAID 930-16i with 4GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60RAID 940-8i with 4GB or 8GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60RAID 940-16i with 8GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60RAID 940-32i with 8GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 6012 Gb SAS/SATA non-RAID: 430-8i, 430-16i and 440-16i HBAs
Optical drive baysNo internal optical drive.
Tape drive baysNo internal backup drive.
Network interfacesDedicated OCP 3.0 SFF slot with PCIe 4.0 x16 host interface. Supports a variety of 2-port and 4-port adapters with 1GbE, 10GbE and 25GbE network connectivity. One port can optionally be shared with the XClarity Controller (XCC) management processor for Wake-on-LAN and NC-SI support.
PCIe slotsUp to 8x PCIe 4.0 slots, all full height slots and with rear access, plus a slot dedicated to the OCP adapter. Slot availability is based on riser selection and rear drive bay selection. Slots 4-8 require two processors.Slots are configured using three riser cards. Riser 1 (slots 1-3) and Riser 2 (slots 4-6) are installed in slots in the system board, Riser 3 (slots 7-8) is cabled to ports on the system board.A variety of riser cards are available. See the I/O expansion for details.For 2.5-inch front drive configurations, the server supports the installation of a RAID adapter or HBA in a dedicated area that does not consume any of the PCIe slots.
GPU supportSupports up to 8x single-wide GPUs or up to 3x double-wide GPUs
PortsFront: 1x USB 3.1 G1 (5 Gb/s) port, 1x USB 2.0 port (also for XCC local management), External diagnostics port, optional VGA port.Rear: 3x USB 3.1 G1 (5 Gb/s) ports, 1x VGA video port, 1x RJ-45 1GbE systems management port for XCC remote management. Optional DB-9 COM serial port (installs in slot 3).Internal: 1x USB 3.1 G1 connector for operating system or license key purposes
Cooling6x (with two processors installed) or 5x (with one processor installed) dual-rotor hot swap 60 mm fans, configuration dependent. Fans are N+1 redundant, tolerating a single-rotor failure. One fan integrated in each power supply.
Power supplyUp to two hot-swap redundant AC power supplies, 80 PLUS Platinum or 80 PLUS Titanium certification. 500 W, 750 W, 1100 W and 1800 W AC options, supporting 220 V AC. 500 W, 750 W and 1100 W options also support 110V input supply. In China only, all power supply options support 240 V DC. Also available is a 1100W power supply with a -48V DC input.
VideoG200 graphics with 16 MB memory with 2D hardware accelerator, integrated into the XClarity Controller. Maximum resolution is 1920×1200 32bpp at 60Hz.
Hot-swap partsDrives, power supplies, and fans.
Systems managementOperator panel with status LEDs. Optional External Diagnostics Handset with LCD display. Models with 8x or 16x 2.5-inch front drive bays can optionally support an Integrated Diagnostics Panel. XClarity Controller (XCC) embedded management, XClarity Administrator centralized infrastructure delivery, XClarity Integrator plugins, and XClarity Energy Manager centralized server power management. Optional XClarity Controller Advanced and Enterprise to enable remote control functions.
Security featuresChassis intrusion switch, Power-on password, administrator’s password, Trusted Platform Module (TPM), supporting TPM 2.0. In China only, optional Nationz TPM 2.0. Optional lockable front security bezel.
Operating systems supportedMicrosoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi. See the Operating system support section for specifics.
Limited warrantyThree-year or one-year (model dependent) customer-replaceable unit and onsite limited warranty with 9×5 next business day (NBD).
Service and supportOptional service upgrades are available through Lenovo Services: 4-hour or 2-hour response time, 6-hour fix time, 1-year or 2-year warranty extension, software support for Lenovo hardware and some third-party applications.
DimensionsWidth: 445 mm (17.5 in.), height: 87 mm (3.4 in.), depth: 764 mm (30.1 in.). See Physical and electrical specifications for details.
WeightMaximum: 38.8 kg (85.5 lb)