Transcend 32GB (8GB x 4 Kit) JetMemory DDR3L- 1600 SO-DIMM 2Rx8 For iMAC Late 2013 (TS32GJMA584H) For iMac Late 2013 512Mx8 bit 1.35V Timing 11-11-11 Operating Temperature 0 ~ 85 C Compatible with select Mac systems. Verify model for compatibility SO DIMM 512Mx8 bit 1600 Mbps 1.35V Timing 11-11-11 2 Ranks Operating Temp. 0 DegreeC ~ 85 DegreeC Compatible with selected Mac systems. Verify model for compatibility