System Capacity
(in GB) DIMM Size (in
GB) Number of
DIMMs Organization and
Speed DIMM Slot Population
256 16 16 2R x4, 2133 MT/s A1, A2, A3, A4, A5, A6, A7,
A8, B1, B2, B3, B4, B5, B6,
B7, B8
384 16 24 2R x4, 1600 MT/s A1, A2, A3, A4, A5, A6, A7,
A8, A9, A10, A11, A12, B1,
B2, B3, B4, B5, B6, B7, B8,
B9, B10, B11, B12
512 32 16 4R x4, 2133 MT/s A1, A2, A3, A4, A5, A6, A7,
A8, B1, B2, B3, B4, B5, B6,
B7, B8
768 32 24 4R x4, 1600 MT/s A1, A2, A3, A4, A5, A6, A7,
A8, A9, A10, A11, A12, B1,
B2, B3, B4, B5, B6, B7, B8,
B9, B10, B11, B12
Removing memory modules
Prerequisites
WARNING: The memory modules are hot to touch for some time after the system has been
powered down. Allow time for 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: 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 came with the product.
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.
1. Ensure that you read the Safety instructions.
2. Follow the procedure listed in Before working inside your system.
3. Remove the cooling shroud.
Steps
1. Locate the appropriate memory-module socket(s).
2. To release the memory module from the socket, simultaneously press the ejectors on both ends of
the memory-module socket.
CAUTION: Handle each memory module only by the card edges, making sure not to touch
the middle of the memory module or metallic contacts.
3. Remove the memory module from the socket.
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