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Lenovo ThinkSystem SN850 Blade Server

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Description
Components Specification
Machine Type 7X15
Form factor Double-width Flex System compute node.
Chassis support Flex System Enterprise Chassis with CMM2.
Processor Up to four second-generation Intel Xeon Processor Scalable Family of processors, either Gold or Platinum level processors (formerly codename "Cascade Lake"). Supports processors with up to 28 cores, core speeds up to 3.8 GHz, and TDP ratings up to 165W.
Chipset Intel C624
Memory

Up to 48 DIMM sockets (12 DIMMs on 6 channels per processor). DIMM slots are shared between standard system memory and persistent memory. Supports Lenovo TruDDR4 DIMMs at 2933 MHz or 2666 MHz. RDIMMs, LRDIMMs and 3DS RDIMMs are supported (RDIMMs currently only available), but memory types cannot be intermixed.

Persistent memory Supports up to 24 Intel Optane DC Persistent Memory modules (DCPMMs) installed in the DIMM slots. Persistent memory is installed in combination with system memory DIMMs.
Memory maximums
  • With system memory DIMMs: Up to 6 TB with 48x 128GB 3DS RDIMMs and four processors (1.5 TB per processor)
  • With Persistent Memory in memory mode: Up to 12 TB of Persistent Memory with 24x 512GB Intel Optane DC Persistent Memory modules and four processors (3TB per processor)
  • With Persistent Memory in App Direct mode (App Direct mode is only supported under Special Bid conditions) : Up to 18 TB total memory (12TB of Persistent Memory using 24x 512GB DCPMMs + 6TB of system memory using 24x 128GB 3DS RDIMMs) with four processors (4.5 TB per processor)

Note : Support of more than 1TB per processor (more than 4TB for a 4-processor system) requires M-suffix or L-suffix processors with 2TB or 4.5TB memory support respectively. These calculations include any Persistent Memory installed. See the Processor options section for information.

Memory protection ECC, SDDC (for x4-based memory DIMMs), ADDDC (for x4-based memory DIMMs, requires Intel Xeon Gold or Platinum processors), memory mirroring, and memory sparing.
Disk drive bays Four 2.5-inch hot-swap SAS/SATA drive bays that support SAS, SATA, and SSDs. Optional support for four 2.5-inch NVMe PCIe SSDs.
Maximum internal storage
  • 122.88TB using 4x 30.72TB 2.5-inch SAS/SATA SSDs
  • 30.72TB using 4x 7.68TB 2.5-inch NVMe SSDs
  • 9.6TB using 4x 2.4TB 2.5-inch HDDs
  • No support for the Flex System Storage Expansion Node
RAID support RAID-0, RAID-1, RAID-5 and RAID-10 with integrated Intel RSTe controller and optional Basic RAID 530-4i controller; RAID-0, RAID-1, RAID-5, RAID-6 and RAID-10 with optional Advanced RAID 930-4i controller.
Network
interfaces 		Embedded Intel X722 10 GbE (model specific); optional 1, 10, 25, 40, 50 GbE adapters.
PCI Expansion
slots 		Four I/O connectors for adapters. PCI Express 3.0 x16 interface. No support for the Flex System PCIe Expansion Node.
Ports Front: One USB 3.0 port and one console breakout cable port that provides local KVM and serial ports (cable standard with chassis; more cables optional).
Systems management UEFI, Lenovo XClarity Controller with Pilot4 XE401 baseboard management controller (BMC), Predictive Failure Analysis, light path diagnostics panel, automatic server restart, remote presence. Support for Lenovo XClarity Administrator and Lenovo XClarity Energy Manager.
Security features Power-on password, administrator's password, Trusted Platform Module (TPM) 1.2 and 2.0, Trusted Cryptographic Module (TCM) - China only.
Video G200 graphics with 16 MB memory and 2D hardware accelerator, integrated into the XClarity Controller. Maximum resolution is 1920x1200 32bpp at 60Hz.
Limited warranty Three-year customer-replaceable unit and on-site limited warranty with 9x5/NBD.
Operating systems supported Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi. See the Operating systems section for specifics.
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: 435 mm (17.1 inches), height 55 mm (2.2 inches), depth 493 mm (19.4 inches).
Weight Maximum configuration: 12.3 kg (27 lb).

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