Lenovo ThinkSystem SN850 Product Manual - Page 7
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Components Specification
Memory
Up to 48 DIMM sockets (12 DIMMs on 6 channels per processor) supporting Lenovo TruDDR4
DIMMs at up to 2666 MHz. RDIMMs, LRDIMMs and 3DS RDIMMs are supported, but memory
types cannot be intermixed.
Memory
With RDIMMs: Up to 1.5 TB with 48x 32 GB RDIMMs and four CPUs
maximums
With LRDIMMs: Up to 3 TB with 48x 64 GB LRDIMMs and four CPUs
With 3DS RDIMMs: Up to 6 TB with 48x 128 GB 3DS RDIMMs and four CPUs (requires M-suffix
processors that support greater than 786 GB memory per processor)
Memory
ECC, SDDC (for x4-based memory DIMMs), ADDDC (for x4-based memory DIMMs, requires Intel
protection
Xeon Gold or Platinum processors), memory mirroring, and memory sparing.
Disk drive
Four 2.5-inch hot-swap SAS/SATA drive bays that support SAS, SATA, and SSDs. Optional
bays
support for four 2.5-inch NVMe PCIe SSDs.
Maximum
With four 2.5-inch hot-swap drives: Up to 61.44 TB using 4x 15.36TB 2.5-inch SAS SSDs
internal
or up to 8 TB using 4x 2 TB NL SAS HDDs.
storage
With four 2.5-inch NVMe SSDs: Up to 15.4 TB using 4x 3.84 TB PCIe 2.5-inch SSDs.
With two internal Non-Hot-Swap M.2: Up to 256 GB using 2x 128 GB SATA SSDs.
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
Integrated Intel 10 GbE; optional 1 Gb, 10 GbE, or 40 GbE adapters.
interfaces
PCI
Four I/O connectors for adapters. PCI Express 3.0 x16 interface. No support for the Flex System
Expansion
PCIe Expansion Node.
slots
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
UEFI, Lenovo XClarity Controller with Pilot4 XE401 baseboard management controller (BMC),
management
Predictive Failure Analysis, light path diagnostics panel, automatic server restart, remote presence.
Support for Lenovo XClarity Administrator and Lenovo XClarity Energy Manager.
Security
Power-on password, administrator's password, Trusted Platform Module (TPM) 1.2 and 2.0,
features
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
Three-year customer-replaceable unit and on-site limited warranty with 9x5/NBD.
warranty
Operating
Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware
systems
ESXi. See the
supported
Service and
Optional service upgrades are available through Lenovo Services: 4-hour or 2-hour response time,
support
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).
Lenovo ThinkSystem SN850 Server
Operating system support
section for specifics.
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