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Lenovo ThinkSystem SR655 V3

The Lenovo ThinkSystem SR655 V3 is a 2U rack server from Lenovo, powered by One AMD EPYC processor, either 5th Gen 9005, with up to 20x 3.5-inch or 40x 2.5-inch hot-swap drive bays.

SKU: SR655-V3 Category: Brand:
Product SKU

SR655 V3

Form Factor

2U rack.

Processor

One AMD EPYC processor, either 5th Gen 9005 ("Turin") or 4th Gen 9004 ("Genoa"). Supported processors up to 160 cores, core speeds of up to 4.1 GHz, and TDP ratings of up to 400W. Supports PCIe 5.0 for high performance I/O.

GPU Support

Up to 8x single-width or 3x double-width GPUs

Memory

12 DIMM slots. The processor has 12 memory channels, with 1 DIMM per channel (DPC). Lenovo TruDDR5 RDIMMs, 3DS RDIMMs, and 9×4 RDIMMs are supported, up to 6400 MHz

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
• Internal M.2 module supporting up to two M.2 drives
See Storage configurations for details.

Expansion Slots

Up to 10x total PCIe slots (either 10x rear, or 6x rear + 2x front), plus a slot dedicated to the OCP adapter (rear or front). 2.5-inch drive configurations also support an additional internal bay for a cabled RAID adapter or HBA.
Rear: Up to 10x PCIe slots, plus a slot dedicated to the OCP adapter. Slots are either PCIe 5.0 or 4.0 depending on riser selection and rear drive bay selection. OCP slot is PCIe 4.0.
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) and Riser 4 (9-10) are cabled to ports on the system board. A variety of riser cards are available. See the I/O expansion for details.
Front: The server supports slots at the front of the server (configurations with up to 16 drive bays), as an alternative to rear slots in Riser 3 (and Riser 4). Front slots are 2x PCIe x16 full-height half-length slots plus 1x OCP slot. OCP slot is PCIe 4.0.
Internal: 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.

Chipset

Not applicable (platform controller hub functions are integrated into the processor)

Maximum Memory

Up to 3TB with 12x 256GB 3DS RDIMMs

Persistent Memory

Not supported.

Memory Protection

ECC, SDDC, Patrol/Demand Scrubbing, Bounded Fault, DRAM Address Command Parity with Replay, DRAM Uncorrected ECC Error Retry, On-die ECC, ECC Error Check and Scrub (ECS), Post Package Repair

Maximum Internal Storage

• 2.5-inch drives:
– 1228.8TB using 40x 30.72TB 2.5-inch SAS SSDs
– 307.2TB using 40x 7.68TB 2.5-inch SATA SSDs
– 3,932.16TB using 32x 122.88TB 2.5-inch NVMe SSDs
– 96TB using 40x 2.4TB 2.5-inch SAS HDDs
• 3.5-inch drives:
– 480TB using 20x 24TB 3.5-inch SAS HDDs
– 480TB using 20x 24TB 3.5-inch SATA HDDs
– 307.2TB using 20x 15.36TB 3.5-inch SAS SSDs
– 153.6TB using 20x 7.68TB 3.5-inch SATA SSDs
– 153.6TB using 12x 12.8TB 3.5-inch NVMe SSDs

Storage Controller

• Up to 16x Onboard SATA ports (non-RAID)
• Up to 12x Onboard NVMe ports (non-RAID)
• NVMe Retimer Adapter (PCIe 4.0 or PCIe 5.0)
• NVMe Switch Adapter (PCIe 4.0)
• 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

Network

Dedicated OCP 3.0 SFF slot with PCIe 4.0 x16 host interface, either at the rear of the server (rear-accessible) or the front of the server (front-accessible). 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 2 (XCC2) management processor for Wake-on-LAN and NC-SI support. Additional PCIe network adapters supported in PCIe slots.

Ports

Front: 1x USB 3.2 G1 (5 Gb/s) port, 1x USB 2.0 port (also for XCC local management), External diagnostics port, optional VGA port.
Rear: 3x USB 3.2 G1 (5 Gb/s) ports, 1x VGA video port, 1x RJ-45 1GbE systems management port for XCC remote management. Optional 2nd XCC remote management port (installs in OCP slot). Optional DB-9 COM serial port (installs in slot 3).
Internal: 1x USB 3.2 G1 (5 Gb/s) connector for operating system or license key purposes.

Cooling

Up to 6x N+1 redundant hot swap 60 mm fans, configuration dependent. One fan integrated in each power supply. For customers with water infrastructure in their data center, the SR655 V3 also offers Lenovo Neptune Core open-loop water cooling for efficient heat removal.

Power Supply

Up to two hot-swap redundant AC power supplies, 80 PLUS Platinum or 80 PLUS Titanium certification. 750 W, 1100 W, 1800 W, 2400 W, and 2600 W AC, supporting 220 V AC. 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.

System Management

Operator panel with status LEDs. Optional External Diagnostics Handset with LCD display. Models with 16x 2.5-inch front drive bays can optionally support an Integrated Diagnostics Panel. XClarity Controller 2 (XCC2) embedded management based on the ASPEED AST2600 baseboard management controller (BMC). Dedicated rear Ethernet port for XCC2 remote access for management. Optional 2nd redundant XCC2 remote port supported, installs in the OCP slot. XClarity One for centralized infrastructure management, XClarity Integrator plugins, and XClarity Energy Manager centralized server power management. Optional XCC Platinum to enable remote control functions and other features.

Security

Chassis intrusion switch, Power-on password, administrator's password, Root of Trust module supporting TPM 2.0 and Platform Firmware Resiliency (PFR). In China only, optional Nationz TPM 2.0. Optional lockable front security bezel.

Operating System

Microsoft Windows Server, Microsoft Windows 10 & 11, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, Ubuntu Server.

Warranty

Three-year or one-year (model dependent) customer-replaceable unit and onsite limited warranty with 9×5 next business day (NBD).

Dimensions (H x W x D)

Width: 445 mm (17.5 in.), height: 87 mm (3.4 in.), depth: 766 mm (30.1 in.). See Physical and electrical specifications for details.

Weight

Maximum: 38.8 kg (85.5 lb)

Overview

The Lenovo ThinkSystem SR655 V3 is a 2U rack server from Lenovo, powered by One AMD EPYC processor, either 5th Gen 9005.

It supports 12 DIMM slots. The processor has 12 memory channels, with 1 DIMM per channel. Maximum memory reaches up to 3TB with 12x 256GB 3DS RDIMMs. Storage is provided by up to 20x 3.5-inch or 40x 2.5-inch hot-swap drive bays. Expansion is provided by up to 10x total PCIe slots. Networking is provided by Dedicated OCP 3.0 SFF slot with PCIe 4.0 x16 host interface, either at the rear of the server.

Key Features

  • Processor: One AMD EPYC processor, either 5th Gen 9005 (“Turin”) or 4th Gen 9004 (“Genoa”). Supported processors up to 160 cores, core speeds of up to 4.1 GHz, and TDP ratings of up to 400W. Supports PCIe 5.0 for high performance I/O.
  • Memory: 12 DIMM slots. The processor has 12 memory channels, with 1 DIMM per channel (DPC). Lenovo TruDDR5 RDIMMs, 3DS RDIMMs, and 9×4 RDIMMs are supported, up to 6400 MHz
  • Maximum memory: Up to 3TB with 12x 256GB 3DS RDIMMs
  • Storage: 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) …
  • Maximum internal storage: 2.5-inch drives: / 1228.8TB using 40x 30.72TB 2.5-inch SAS SSDs / 307.2TB using 40x 7.68TB 2.5-inch SATA SSDs …
  • Expansion: Up to 10x total PCIe slots (either 10x rear, or 6x rear + 2x front), plus a slot dedicated to the OCP adapter (rear or front). 2.5-inch drive configurations also support an additional internal bay for a cabled RAID adapter or HBA. …
  • Networking: Dedicated OCP 3.0 SFF slot with PCIe 4.0 x16 host interface, either at the rear of the server (rear-accessible) or the front of the server (front-accessible). 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 …
  • Cooling and power: Up to 6x N+1 redundant hot swap 60 mm fans, configuration dependent. One fan integrated in each power supply. For customers with water infrastructure in their data center, the SR655 V3 also offers Lenovo Neptune Core open-loop water cooling for efficient heat removal. Up to two hot-swap redundant …
  • Management and security: Operator panel with status LEDs. Optional External Diagnostics Handset with LCD display. Models with 16x 2.5-inch front drive bays can optionally support an Integrated Diagnostics Panel. XClarity Controller 2 (XCC2) embedded management based on the ASPEED AST2600 baseboard management controller …
  • Physical: Width: 445 mm (17.5 in.), height: 87 mm (3.4 in.), depth: 766 mm (30.1 in.). See Physical and electrical specifications for details. Maximum: 38.8 kg (85.5 lb)

Applications

  • Enterprise virtualization and private cloud
  • Databases and business-critical applications
  • AI inference and high-performance computing
  • Software-defined storage and data analytics

Configuration, availability and lead time depend on the required quantity, chassis and CPU platform, and delivery destination. Send your requirement to receive a quotation.

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