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Can i use Kingston 4GB 1333MHz DDR3 Non-ECC CL9 DIMM in my Imac 21.5

Hi, just wondering if you can help me on this one?


i want to upgrade the memory in my Imac and i can get 4 sticks of this memory very cheap in fact FOC.


Before i start taking RAM out and putting this in would anybody please let me know if this would work


Description: 4GB 1333MHz DDR3 Non-ECC CL9 DIMM
Detailed Specifications: Standard 512M X 64 Non-ECC 1333MHz 240-pin Unbuffered DIMM (DDR3, 1.5V, CL9, FBGA, Gold) (Datasheet)
Mfgr's System P/N's: N/A
Form Factor: Memory Module
Pieces/Unit: 1
Warranty: Lifetime
Harmonized Tariff Schedule
(HTS) Number:
8473.30.1140
Export Control Classification
Number(ECCN):
EAR99



Thanks in advance

iMac (21.5-inch Mid 2011), OS X Mountain Lion (10.8.4)

Posted on Sep 9, 2013 3:29 AM

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Question marked as Best reply

Posted on Sep 9, 2013 3:46 AM

iMac (Mid 2011): Memory specifications

The specifications are for 204 pin, so the 240 pin above will be a problem.

3 replies

Can i use Kingston 4GB 1333MHz DDR3 Non-ECC CL9 DIMM in my Imac 21.5

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