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Lenovo ThinkSystem SD650 V3 Neptune DWC Server

Designed to fit into the 6U DW612S enclosure, the Lenovo ThinkSystem SD650 V3 Neptune DWC server is a dual-node tray with support for 2x 4th Generation Intel Xeon Scalable processors or 2x Intel Xeon Max series CPUs per node. A total of 6x full-wide 1U trays with two dual-socket nodes can be installed in the enclosure. When 16x 128GB memory modules are loaded into the slots, up to 2TB of RAM are available with speeds of up to 4800MHz per node. Under the hood, the system delivers up to 4x 2.5” SATA/NVMe SSDs (7mm height) or 2x 2.5” NVMe SSDs (15mm height) per node.
Lenovo ThinkSystem SD650 V3 Neptune DWC side view
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Lenovo ThinkSystem SD650 V3 Neptune DWC Server - System Overview

The DW612S enclosure accommodates up to 12 SD650 V3 compute nodes, each with liquid-cooled CPUs to reduce temperatures. Four of the highest core-count 4th Gen Intel CPUs are arranged in a 1U rack space on a single tray for high-density applications. The DW6125 Direct Water Cooling (DWC) enclosure and ThinkSystem SD650 V3 Neptune DWC server support water intake up to 45°C and can remove up to 95% of internal heat at lower temperatures. The DIMMs have direct water cooling with insulated slots. One liquid cooled M.2 NVMe SSD is also available for both operating system boot and storage functions. Compared to non-optimized air-cooled systems that demand constant fan usage, users can save up to 40% on energy expenses. In addition to the cooling system, the server supports up to 2x PCIe Gen5 x16 low-profile adapter slots (2x supported without internal storage) per node for NDR InfiniBand. Shared I/O and SocketDirect are also supported. To quickly remove the nodes from the machine without disturbing other nodes in the system, there is a dripless water input and outlet on the rear of the chassis.

Lenovo ThinkSystem SD650 V3 Neptune DWC Server Enclosure Lenovo ThinkSystem SD650 V3 Neptune DWC Server DWC

Lenovo ThinkSystem SD650 V3 Neptune DWC Server - Specifications

Processors - 2 Socket (Per Node)

  • 2x 4th generation Intel Xeon Scalable CPUs per node OR 2x Intel® Xeon® CPU Max Series processors with HBM per node
  • TDP up to 250W
  • Up to 32 cores

Memory

  • 16x DIMM slots
  • Maximum 2TB using 128GB DIMMs
  • DIMM speeds up to 4800 MHz

Drive Bays

  • Up to 4x 2.5" SATA/NVMe SSDs (7mm height) or 2x 2.5" NVMe SSDs (15mm height) per node
  • Up to 1x liquid cooled M.2 NVMe SSD for both operating system boot and storage functions

Power Supplies

  • Up to 9x air CFF v4 (2400W PT, 2600W TT) /Up to 3x Direct Water Cooled Power Supply (7200W) 80+ Titanium
  • N+1 redundancy (only air-cooled / without acceleration on DWC)

Cooling

  • Direct Water Cooling at the heat source with up to 45°C inlet water temperature

Ports

  • External diagnostics port, console connector
  • 1x USB 3.1 (5Gb/s) port
  • 1x DB9 serial port for local connectivity

Expansion Slots

    Each Node:
  • 1x or 2x PCIe 5.0 x16 slots with low profile form factor (each slot is mutually exclusive with 1x drive bay)

GPUs

  • No support. Intel Xeon Max Series GPUs is supported on the SD650-I V3 node

Dimensions

    Height: 41mm (1.6")
    Width: 438mm (17.2")
    Depth: 693mm (27.3")
    Maximum Weight: 20.7 kg (45.6 lb) maximum

Management

  • XClarity support
  • ASPEED 2600

Lenovo ThinkSystem SD650 V3 Neptune DWC Server - Documentation

Lenovo ThinkSystem SD650 V3 Neptune DWC Data Sheet Lenovo ThinkSystem SD650 V3 Neptune DWC Product Guide Lenovo ThinkSystem SD650 V3 Neptune DWC User Guide
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