- 4 GB
- DIMM 288-pin
- 2400 MHz / PC4-19200
- 1.2 V
- for Alienware Area-51 R2; Dell OptiPlex 7040; Precision Tower 3420
This Dell SNP61H6HC/4G compatible 4GB DDR4-2400MHz Single Rank Unbuffered 1.2V 288-pin CL15 UDIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system.