Price:   $8.95 - $26.75
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This is a 4GB PC3-12800 SODIMM memory stick. This is not officially supported by any Apple models until the 2012 updates. The 2011 quad-core models with the Sandy Bridge processors do detect the higher speed.

This product has new and used options. Please be sure to select the correct option.

Apple Part #:
661-6503, 661-6637
Compatible With:
See Compatibility List
Suggested Items for Installation:
Phillips Head #00 Take Apart Tool Screwdriver
New (SKU21794), Used (GS21794)
Used parts are in Grade A- to A condition unless otherwise specified.
1 Year PowerbookMedic Warranty
Repair Guides:
Click to go to our Free Instructional Guides page.

Product Compatibility

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*This item has multiple product options. The list below includes all of those options. Make sure you select the correct product option for your model.

Models Model Numbers Options
Mac mini 2.3GHz Core i7 (A1347) - Late 2012 MD388LL/A
Mac mini 2.5GHz Core i5 (A1347) - Late 2012 MD387LL/A
Mac mini 2.6GHz Core i7 (A1347) - Late 2012 MD388LL/A
Mac mini Server 2.3GHz Core i7 (A1347) - Late 2012 MD389LL/A
Mac mini Server 2.6GHz Core i7 (A1347) - Late 2012 MD389LL/A
MacBook Pro 13.3" 2.5GHz Core i5 (A1278) - Mid 2012 MD101LL/A
MacBook Pro 13.3" 2.9GHz Core i7 (A1278) - Mid 2012 MD102LL/A
MacBook Pro 15.4" 2.3GHz Core i7 (A1286) - Mid 2012 MD103LL/A
MacBook Pro 15.4" 2.6GHz Core i7 (A1286) - Mid 2012 MD104LL/A
MacBook Pro 15.4" 2.7GHz Core i7 (A1286) - Mid 2012 MD104LL/A
iMac 21.5" 2.7GHz Core i5 (A1418) - Late 2012 MD093LL/A
iMac 21.5" 2.9GHz Core i5 (A1418) - Late 2012 MD094LL/A
iMac 21.5" 3.1GHz Core i7 (A1418) - Late 2012 MD094LL/A
iMac 27" 2.9GHz Core i5 (A1419) - Late 2012 MD095LL/A
iMac 27" 3.2GHz Core i5 (A1419) - Late 2012 MD096LL/A
iMac 27" 3.4GHz Core i7 (A1419) - Late 2012 MD096LL/A

Self-Install Guides and Videos

We have a large selection of free take apart and installation guides on our repair guide page:
Mac Repair Guides .

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