Other World Computing 1333DDR3S16S - 16.0GB 1333MHz SO-DIMM DDR3

OWC 16.0GB UPGRADE: Consists of Four 4GB DDR3 1333MHz PC3-10600 CL9 SO-DIMMs 1.5V 204-pin Memory Module Compatible with 2010 and 2011 iMac. 100% COMPLIANT: With JEDEC Standard Specifications, ROHS Compliant, Warranty Safe Upgrade. Designed and Tested to Meet or Exceed All MAC Specifications for iMac and PC Laptops. COMPATIBLE WITH: 27inch iMac Models: Mid 2011 iMac Model ID: iMac12,2 and Mid 2010 iMac Model ID: iMac11,3 and 21.5inch iMac Models: Mid 2011 iMac Model ID: iMac12,1 and Mid 2010 iMac Model ID: iMac11,2. COMPATIBLE PART NUMBERS: 661-5861, 661-6141, 661-5962, 661-5939, 661-5529, CT2K4G3S1339M, CT2KIT51264BF1339, KVR1333D3S9/4G, KTA-MB1333/4G, M471B5273CH0‐CH9, M471B5273DH0‐CH9, HMT351A7CFR8A‐H9, HMT351S6BFR8C‐H9, HMT351S6CFR8C‐H9. INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost the Performance in Your MAC or PC. INDUSTRY LEADING: Consumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing