Lenovo ThinkSystem SR650 V2 Rack Server

**Standard specifications**
Components	Specification
Machine types	7Z72 – 1 year warranty 7Z73 – 3 year warranty
Form factor	2U rack
Processor	One 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.
Chipset	Intel C621A “Lewisburg” chipset, part of the platform codenamed “Whitley”
Memory	32 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 memory	Supports 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 maximum	With RDIMMs: Up to 8TB by using 32x 256GB 3DS RDIMMs With Persistent Memory: Up to 12TB by using 16x 256GB 3DS RDIMMs and 16x 512GB Pmem modules
Memory protection	ECC, SDDC (for x4-based memory DIMMs), ADDDC (for x4-based memory DIMMs, requires Platinum or Gold processors), and memory mirroring.
Disk drive bays	Up 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 available The 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 drives See Supported drive bay combinations for details.
Maximum internal storage	2.5-inch drives: 1228.8TB using 40x 30.72TB 2.5-inch SAS/SATA SSDs 491.52TB using 32x 15.36TB 2.5-inch NVMe SSDs 96TB using 40x 2.4TB 2.5-inch HDDs 3.5-inch drives: 400TB using 20x 20TB 3.5-inch HDDs 307.2TB using 20x 15.36TB 3.5-inch SAS/SATA SSDs 153.6TB using 12x 12.8TB 3.5-inch NVMe SSDs
Storage controller	12x 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 8, 16 or 32 ports Up to 8GB flash-backed cache PCIe 4.0 or PCIe 3.0 host interface 12 Gb SAS/SATA HBA (non-RAID) 8-port and 16-port PCIe 4.0 or PCIe 3.0 host interface
Optical drive bays	No internal optical drive
Tape drive bays	No internal backup drive
Network interfaces	Dedicated 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 slots	Up 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, 5, and 6 (riser 2) 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 support	Supports up to 8x single-wide GPUs or up to 3x double-wide GPUs
Ports	Front: 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
Cooling	6x (with two processors installed) or 5x (with one processor installed) single-rotor or 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 supply	Up 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.
Video	G200 graphics with 16 MB memory with 2D hardware accelerator, integrated into the XClarity Controller. Maximum resolution is 1920×1200 32bpp at 60Hz.
Hot-swap parts	Drives, power supplies, and fans.
Systems management	Operator 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 features	Chassis 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 supported	Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi. See the Operating system support section for specifics.
Limited warranty	Three-year or one-year (model dependent) customer-replaceable unit and onsite limited warranty with 9×5 next business day (NBD).
Service and support	Optional 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.
Dimensions	Width: 445 mm (17.5 in.), height: 87 mm (3.4 in.), depth: 764 mm (30.1 in.). See Physical and electrical specifications for details.
Weight	Maximum: 38.8 kg (85.5 lb)