661-00154 256 GB SSD FLASH STORAGE A1418 NB-5274W
This is a replacement 256GB SSD for the Late 2013 and Mid 2014 iMac 21.5" and 27".
EEE code: FRLR
Apple part number: 661-00154
Compatible models: iMac (21.5-inch Mid 2014), A1418
661-00154 256 GB SSD FLASH STORAGE A1418