Lenovo Think Server RD550 Rack Server – Specifications

Form Factor/Height

2U Rack

Processor

Up to two processors of the Intel Xeon processor E5-2600 v4 product family:

• Up to 22 cores (2.2 GHz core speeds)
• Up to 3.5 GHz core speeds (4 cores)
• Two QPI links up to 9.6 GT/s each
• Up to 55 MB cache
• Up to 2400 MHz memory speed

or

Up to two Intel Xeon processor E5-2600 v3 product family CPUs

• 18 or 16 cores (2.3 GHz core speeds)
• 14, 12, or 10 cores (up to 2.6 GHz core speeds)
• 8 cores (up to 3.2GHz core speeds)
• 6 cores (up to 3.4 GHz core speeds)
• 4 cores (up to 3.5 GHz core speeds)
• Two QPI links up to 9.6 GT/s each
• Up to 2133 MHz memory speed
• Up to 45MB L3 cache.

Operating Systems Supportedm

• Microsoft Windows Server 2012 R2 (Including Hyper-V)

Memory

• Up to 24 DIMM sockets
• 12 DIMMs per processor
• Four memory channels per processor with three DIMMs per channe
• Support for RDIMMs and LRDIMMs. Memory types cannot be intermixed
• Memory speed up to 2400 MHz using E5-2600 v4 processors
• Memory speed up to 2133 MHz using E5-2600 v3 processors

Drive Bays

Machine Types 70S6 and 70S7:

• 8x 2.5-inch SAS/SATA hot-swap (front) with RAID 110i or PCIe RAID controller

Machine Types 70R5 and 70R6:

• 8x 2.5-inch SAS/SATA hot-swap (front) with RAID 110i or AnyRAID controller
• 12x 2.5-inch SAS/SATA hot-swap (front)
• 10x 2.5-inch SAS/SATA hot-swap (front) + 2x 2.5-inch AnyBay (front)

Machine Types 70R3 and 70R4:

• 4x 3.5-inch SAS/SATA hot-swap (front) + 2x 2.5-inch SATA hot-swap (rear)

Media Bays

• 1 x slim optical (in the 2.5-inch chassis configuration only)