4.0GB Samsung Factory Original PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro(all sizes), Mid 2010/2011 21.5" & 27" iMac, Mid 2011 Mac mini models. Lifetime Warranty.
- Samsung 4 GB DDR3 1333 MHz Unbuffered SODIMM, internal memory: 4 GB
- Internal memory type: DDR3
- Memory frequency: 1333 MHz chips organisation: 512 Mx64
- Samsung 4 GB DDR3 1333 MHz Unbuffered SODIMM, internal memory: 4 GB
- Internal memory type: DDR3
- Memory frequency: 1333 MHz chips organisation: 512 Mx64