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DellPrecision™T3500ServiceManual
Supported Memory Configurations
Removing and Replacing Memory Modules
Your computer uses 1066 MHz or 1333Mhz DDR3 unbuffered SDRAM memory. DDR3 SDRAM, or double-data-rate three synchronous dynamic random access
memory, is a random access memory technology. It is a part of the SDRAM family of technologies, which is one of many DRAM (dynamic random access memory)
implementations, and is an evolutionary improvement over its predecessor, DDR2 SDRAM.
Supported Memory Configurations
Removing and Replacing Memory Modules
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the computer cover.
3. Lift the hard drive tray:
a. Push the blue release tab toward the bottom of the computer
b. Raise the hard drive tray on its hinges.
Size
(GB)
DIMM
Ranks
DIMM1
DIMM2
DIMM3
DIMM4
DIMM5
DIMM6
1333MHz
1066MHz
Channel
Mode
1
SR
1 GB
Single
2
SR
1 GB
1 GB
Dual
3
SR
1 GB
1 GB
1 GB
Tri
4
SR
1 GB
1 GB
1 GB
1 GB
Tri
4
DR
2 GB
2 GB
Dual
6
SR
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
Tri
6
DR
2 GB
2 GB
2 GB
Tri
12
DR
2 GB
2 GB
2 GB
2 GB
2 GB
2 GB
Tri
12
DR
4 GB
4 GB
4 GB
Tri
24
DR
4 GB
4 GB
4 GB
4 GB
4 GB
4 GB
Tri
NOTE: DDR3 DIMMs have 240 pins, the same number as DDR2, and are the same size, but are electrically
incompatible and have a different key notch location.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.