Inspiron 3521: Memory module connector Two internally-accessible DDR3 SODIMM sockets Memory module capacities 2 GB and 4 GB Memory type 1600 SODIMM DDR3 for Ivy Bridge Processors Minimum memory 2 GB Maximum memory 8 GB Memory
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Inspiron™ 3521/15 (Value) has 2 SODIMM memory slots which support DDR3 DIMM at 1600 MHz
Inspiron™ 3521/15 (Value) supports a maximum of 8 GB system memory.
Supported memory configurations
Inspiron™ 3521/15 (Value) has two user-accessible SODIMM sockets, both slots can be accessed after removing the base door. When both DIMM connectors are populated, the system has optimum dual-channel performance.
Slot A
Slot B
Total Memory
2048 MB
None
2048 MB
2048 MB
2048 MB
4096 MB
4096 MB
None
4096 MB
4096 MB
2048 MB
6144 MB
4096 MB
4096 MB
8192 MB
Inspiron 3721:
Memory
Memory module connector
Two internally-accessible DDR3 SODIMM connectors
Memory configuration supported
2 GB, 4 GB, 6 GB and 8 GB
Memory type
1600 MHz DDR3
Minimum memory
2 GB
Maximum memory
8 GB
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February 3rd, 2016 11:00
Alexander191181,
Below are the memory specs for both computers.
Inspiron 3521:
Memory module connector Two internally-accessible DDR3 SODIMM sockets
Memory module capacities 2 GB and 4 GB
Memory type 1600 SODIMM DDR3 for Ivy Bridge Processors
Minimum memory 2 GB
Maximum memory 8 GB
Memory
<ADMIN NOTE: Broken link has been removed from this post by Dell>
Supported memory configurations
Inspiron™ 3521/15 (Value) has two user-accessible SODIMM sockets, both slots can be accessed after removing the base door. When both DIMM connectors are populated, the system has optimum dual-channel performance.
Inspiron 3721:
For me to better assist in troubleshooting, please click my DELL-Jesse L and send me a Private Message with the Dell Service Tag number and your Dell Order number.