Memory Loading Notes on ThinkStation C20x
System memory speed on ThinkStation C20x will be determined by a number of factors, including the microprocessor model and the type,
speed, size (capacity), and number of DIMMs installed. Refer to the following table for information on the supported system memory speed
for your ThinkStation model.
• ThinkStation C20x has twelve memory slots; divided into two sets of 6-DIMM memory slots
• Memory controller is integrated in processor
• ThinkStation C20x has 2 processor slots, each processor control six DIMMs
• Over six DIMMs requires dual processor
• ThinkStation C20x supports UDIMM and RDIMM, mixing of UDIMM and RDIMM is not supported
Memory Speed Table for ThinkStation C20x
DIMM Type and
Speed
PC3-10600 UDIMM
(1GB, 2GB, 4GB)
PC3-8500 UDIMM
(1GB, 2GB)
PC3-10600 RDIMM
(2GB, 4GB, 8GB)
PC3-8500 RDIMM
(1GB, 2GB, 4GB)
PC3-8500 RDIMM
(8GB)
Amount of DIMMs
installed per CPU
bank
1 to 3
4 to 6
1 to 6
1 to 3
4 to 6
1 to 6
1 to 3
4 to 6
CPU Model
Actual Memory Speed
Intel
®
Xeon
®
E5502
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
Intel Xeon E5503
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
Intel Xeon E5504
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
Intel Xeon E5506
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
Intel Xeon E5507
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
Intel Xeon E5520
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon E5530
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon E5540
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon E5620
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon E5630
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon E5640
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5550
1333MHz
1066MHz
1066MHz
1333MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5560
1333MHz
1066MHz
1066MHz
1333MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5570
1333MHz
1066MHz
1066MHz
1333MHz
1066MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5650
1333MHz
1333MHz
1066MHz
1333MHz
1333MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5660
1333MHz
1333MHz
1066MHz
1333MHz
1333MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5667
1333MHz
1333MHz
1066MHz
1333MHz
1333MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5670
1333MHz
1333MHz
1066MHz
1333MHz
1333MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5677
1333MHz
1333MHz
1066MHz
1333MHz
1333MHz
1066MHz
1066MHz
800MHz
Intel Xeon X5680
1333MHz
1333MHz
1066MHz
1333MHz
1333MHz
1066MHz
1066MHz
800MHz
Intel Xeon W5580
1333MHz
1066MHz
1066MHz
1333MHz
1333MHz
1066MHz
1066MHz
800MHz
Intel Xeon W5590
1333MHz
1066MHz
1066MHz
1333MHz
1066MHz
1066MHz
1066MHz
800MHz
For more
information
on ThinkStation C20x processor and memory
accessories
, please visit:
www.lenovo.com/support/accessories
www.lenovo.com/support/thinkstationaccessories
©
Lenovo
(Memory-C20XA) March 2011
Memory Confi guration for ThinkStation
®
C20x - Page 1/2
Personal Systems Reference (PSREF)
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