Lenovo System x3500 M4 Installation And Service Manual page 20

Microprocessor (depending on the model):
• Support up to two Intel Xeon E5-2600 series multi-core microprocessors with integrated memory
controller and Quick Path Interconnect (QPI) architecture
• Up to 2.5M Level-3 cache/core
• Two QuickPath Interconnect (QPI) links speed up to 8.0 GT per second
Notes:
1. Use the Setup utility to determine the type and speed of the microprocessors in the server
2. For a list of supported microprocessors, see http://www.lenovo.com/ serverproven/.
Memory:
• Slot: 12 DIMM connectors (24 DIMM connectors when the microprocessor 2 expansion board
is installed)
• Minimum: 2 GB
• Maximum: 768 GB
– 32 GB using unbuffered DIMMs (UDIMMs)
– 384 GB using registered DIMMs (RDIMMs)
– 768 GB using load reduction DIMMs (LRDIMMs)
• Type:
– PC3-8500 (DDR3-1066), PC3-10600 (DDR3-1333), PC3-12800 (DDR3-1600), or PC3-14900
(DDR3-1866)
– Single-rank, dual-rank, or quad-rank
– Registered DIMM (RDIMM), unbuffered DIMM (UDIMM), or load reduced DIMM (LRDIMM)
• Supports (depending on the model):
– 2 GB unbuffered DIMM (UDIMM)
– 2 GB, 4 GB, 8 GB, and 16 GB registered DIMMs (RDIMMs)
– 32 GB load reduction DIMM (LRDIMM)
Drives:
• SATA:
– DVD-ROM
– Multi-burner
Note: Maximum of two devices can be installed.
• Diskette: External USB hard disk drive
• Supported hard disk drives:
– Serial Attached SCSI (SAS)
– Serial ATA (SATA)
Expansion bays (depending on the model):
• Up to thirty-two 2.5-inch HDD bays
• Up to eight 3.5-inch HDD bays
• Up to two half-high 5.25-inch bays
Note: Full-high devices such as an optional tape drive will occupy two half-high 5.25-inch bays.
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System x3500 M4 Installation and Service Guide