Hardware options installation 39
• Single- and dual-rank PC3-10600 (DDR-1333) RDIMMs operating at up to 1333 MT/s at 1.35V
• Single- and dual-rank PC3-12800 (DDR-1600) RDIMMs operating at up to 1600 MT/s at 1.5V
• Single- and dual-rank PC3-12800 (DDR-1600) RDIMMs operating at up to 1600 MT/s at 1.35V
• Single- and dual-rank PC3-14900 (DDR3-1866) RDIMMs, operating at up to 1866 MT/s at 1.5V
• Quad-rank PC3L-10600 (DDR3-1333) LRDIMMs, operating at up to 1333 MT/s at 1.35V
• Quad-rank PC3-14900 (DDR3-1866) LRDIMMs, operating at up to 1866 MT/s at 1.5V
Speed, voltage, and capacity
DIMM type DIMM rank DIMM capacity Native speed (MT/s) Voltage
RDIMM
Single-rank 4 GB 1333 LV
RDIMM
Single-rank 4 GB 1600 STD
RDIMM
Single-rank 4 GB 1600 LV*
RDIMM
Single-rank 4 GB 1866 STD*
RDIMM
Dual-rank 8 GB 1333 LV
RDIMM
Single-rank 8 GB 1600 STD
Dual-rank 8 GB 1600 STD
RDIMM
Single-rank 8 GB 1600 LV*
RDIMM
Dual-rank 8 GB 1600 LV*
RDIMM
Single-rank 8 GB 1866 STD*
RDIMM
Dual-rank 8 GB 1866 STD*
Dual-rank 16 GB 1333 LV
RDIMM
Dual-rank 16 GB 1600 LV*
RDIMM
Dual-rank 16 GB 1866 STD*
LRDIMM
Quad-rank 32 GB 1333 LV
LRDIMM
Quad-rank 32 GB 1866 STD*
* IVB memory
Depending on the processor model, the number of DIMMs installed, and whether LRDIMMs or RDIMMs are
installed, the memory clock speed can be reduced to 1333 or 1066 MT/s.
Populated DIMM speed (MT/s)
DIMM type DIMM rank 1 DIMM per channel 2 DIMMs per channel 3 DIMMs per channel
RDIMM
Single-rank (4 GB)
1333 1333 1066
RDIMM
Single-rank (4 GB)
1600 1600 1333
1
RDIMM
Single-rank (4 GB)
1600 1600 800
2
RDIMM
Single-rank (4 GB)
1866 1866 1066
2
RDIMM
Dual-rank (8 GB) 1333 1333 1066
3
RDIMM
Single-rank (8 GB)
1600 1600 1333
1
RDIMM
Dual-rank (8 GB) 1600 1600 800
2
Dual-rank (8 GB) 1600 1600 1333
1
RDIMM
Dual-rank (8 GB) 1866 1866 1066
2
RDIMM
Dual-rank (16 GB)
1333 1333 1066
3
RDIMM
Dual-rank (16 GB)
1600 1600 1333
1
RDIMM
Dual-rank (16 GB)
1600 1600 800
2
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