GUID-DC8F9FFB-7A9C-43AE-B25C-B2079FC6A490
Sample memory configurations
The following table shows sample memory configurations for two processor configuration that follows 
the appropriate memory guidelines.
NOTE: 1R and 2R in the following table indicates single and dual ranks DIMMs respectively.
Table 32. Sample Memory configurations
System 
capacity 
(in GB)
DIMM 
size (in 
GB)
Number 
of DIMMs
DIMM rank, organization, and 
frequency
DIMM slot population
64 4 16
1R, x8, 2400 MT/s
1R, x8, 2133 MT/s
A1, A2, A3, A4, A5, A6, A7, A8, B1, 
B2, B3, B4, B5, B6, B7, B8
8 8
1R, x8, 2400 MT/s
1R, x8, 2133 MT/s
A1, A2, A3, A4, B1, B2, B3, B4
GUID-8959921E-87A0-427A-A8EC-BE39ACF26BC3
Removing memory modules
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only 
perform troubleshooting and simple repairs as authorized in your product documentation, or as 
directed by the online or telephone service and support team. Damage due to servicing that is 
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions 
that are shipped with your product.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Remove the cooling shroud.
4. If installed, remove the cooling fan assembly. For more information, see the Removing the cooling 
fan assembly section. 
WARNING: The memory modules are hot to touch for some time after the system has been 
powered down. Allow the memory modules to cool before handling them. Handle the memory 
modules by the card edges and avoid touching the components or metallic contacts on the 
memory module.
CAUTION: To ensure proper system cooling, memory module blanks must be installed in any 
memory socket that is not occupied. Remove memory module blanks only if you intend to install 
memory modules in those sockets.
Steps
1. Locate the appropriate memory module socket.
CAUTION: Handle each memory module only by the card edges, ensuring not to touch the 
middle of the memory module or metallic contacts.
2. To release the memory module from the socket, simultaneously press the ejectors on both ends of 
the memory module socket.
79