Specifications - IBM x3850 X6 Planning And Implementation Manual

IBM Systems Director provides proactive systems management. It offers comprehensive
systems management tools that help to increase uptime, reduce costs, and improve
productivity through advanced server management capabilities.
Solid-state drives (SSDs) offer significantly better reliability than traditional mechanical
HDDs for greater uptime.
Built-in diagnostics, using Dynamic Systems Analysis (DSA) Preboot, speed up
troubleshooting tasks to reduce service time.
A three-year customer-replaceable unit and on-site limited warranty, 9x5 next business
day, is included. Optional service upgrades are available.

3.2 Specifications

Table 3-1 lists the standard specifications.
Table 3-1 Specifications
Components Specification
Form factor x3850 X6: 4U rack
x3950 X6: 8U rack
Processor x3850 X6: Up to four Intel Xeon E7-4800 v2 or E7-8800 v2 processors, each in a Compute
Book. Each processor has either 15 cores (up to 2.8 GHz), 12 cores (up to 2.6 GHz), 10 cores
(up to 2.2 GHz), eight cores (up to 2.0 GHz), or six cores (up to 3.4 GHz). There are three QPI
links up to 8.0 GTps each. Up to 1600 MHz memory speed. Up to 37.5 MB L3 cache.
x3950 X6: Up to eight Intel Xeon E7-8800 v2 processors, each in a Compute Book. Each
processor has either 15 cores (up to 2.8 GHz), 12 cores (up to 2.6 GHz), 10 cores (up to 2.2
GHz), eight cores (up to 2.0 GHz), or six cores (up to 3.4 GHz). There are three QPI links up
to 8.0 GTps each. Up to 1600 MHz memory speed. Up to 37.5 MB L3 cache.
Chipset Intel C602J chipset.
Memory x3850 X6: Up to 96 DIMM sockets
x3950 X6: Up to 192 DIMM sockets
24 DIMMs per processor, installed in the Compute Book). RDIMMs and LRDIMMs (Load
Reduced DIMMs) are supported, but memory types cannot be intermixed. Memory speed up
to 1600 MHz.
Memory maximums x3850 X6:
With RDIMMs: Up to 1.5 TB with 96x 16 GB RDIMMs and four processors
With LRDIMMs: Up to 6 TB with 96x 64 GB LRDIMMs and four processors
x3950 X6:
With RDIMMs: Up to 3 TB with 192x 16 GB RDIMMs and eight processors
With LRDIMMs: Up to 12 TB with 192x 64 GB LRDIMMs and eight processors
Memory protection ECC, Chipkill, RBS, memory mirroring, and memory rank sparing.
Memory-channel IBM eXFlash DIMMs are installed in memory DIMM slots but are seen by the OS as storage
storage devices. Memory channels with eXFlash DIMMs must also have at least one RDIMM. Cannot
be mixed with LRDIMMs. Maximum 32 eXFlash DIMMs can be installed. Maximum 12.8 TB
with 32x 400GB eXFlash DIMMs.
Disk drive bays x3850 X6:
Up to 16 1.8" eXFlash SSD bays, or up to 8 2.5" hot-swap SAS/SATA bays.
x3950 X6:
Up to 32 1.8" eXFlash SSD bays, or up to 16x 8 2.5" hot-swap SAS/SATA bays.
Chapter 3. Product information
51