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Memory Upgrades for Your Apple iMac 2.5GHz Intel Quad-Core i5 (21.5-inch with AMD Graphics) - Mid 2011:
Memory Upgrades | Internal Drive Options | External Plug & Play Storage
Software Download | Software Upgrades | Video Upgrades
Other Compatible Upgrades

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Apple (8)
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Other World Computing (21)
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under $100 (22)
$100 - 250 (7)
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Showing 1-30 of 30 items
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New Price Badge 32.0GB (8GB x 4) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
32.0GB (8GB x 4) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Modules for Mid 2010/2011 27" iMac Core i5 and Core i7 models & Mid... more Same Day $319.96
Matched Kit for: $299.97
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Brand: Other World Computing OWC Item # OWC1333DDR3S32S
New Price Badge 24.0GB (8GB x 2 + 4GB x 2) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
24.0GB (8GB x 2 + 4GB x 2) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Modules for 2010/2011 27" iMac Core i5 and Core i7 models... more Same Day $243.96
Matched Kit for: $227.99
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Brand: Other World Computing OWC Item # OWC1333DDR3S24S
New Price Badge 16.0GB (4x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
16.0GB (4x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit for Mid 2010/2011 21.5" & 27" iMac Models. Lifetime Warranty. more Same Day $171.96
Matched Kit for: $159.97
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Brand: Other World Computing OWC Item # OWC1333DDR3S16S
New Price Badge 16.0GB (4x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
16.0GB (4x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit for Mid 2010/2011 21.5" & 27" iMac (except 3.2GHz i3 Model)... more Same Day $167.96
Matched Kit for: $154.99
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Brand: Other World Computing OWC Item # OWC1333DDR38S16
16.0GB (8GBx2) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
16.0GB (8GBx2) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro models, Mid 2010/2011 27" iMac Core i5 an... more Same Day $159.98
Matched Kit for: $149.99
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Brand: Other World Computing OWC Item # OWC1333DDR3S16P
16.0GB (8GBx2) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Upgrade Kit
16.0GB (8GBx2) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Upgrade Kit for 2012 MacBook Pro 13" & 15" models (non-Retina display), 201... more Same Day $159.98
Matched Kit for: $149.99
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Brand: Other World Computing OWC Item # OWC1600DDR3S16P
New Price Badge 12.0GB (8GB+4GB) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
12.0GB (8GB+4GB) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro model, Mid 2010/2011 27" iMac Core i5 a... more Same Day $121.98
Matched Kit for: $114.99
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Brand: Other World Computing OWC Item # OWC1333DDR3S12S
New Price Badge 12.0GB (8GB+4GB) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Upgrade Kit
12.0GB (8GB+4GB) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Upgrade Kit for 2012 MacBook Pro 13" & 15" models (non-Retina display), P... more Same Day $122.98
Matched Kit for: $114.99
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Brand: Other World Computing OWC Item # OWC1600DDR3S12S
8.0GB (2x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
8.0GB (2x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit for 2011 MacBook Pro models, Mid 2010/2011 21.5" & 27" iMac... more Same Day $85.98
Matched Kit for: $79.99
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Brand: Other World Computing OWC Item # OWC1333DDR3S08S
New Price Badge 8.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Module
8.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Module for 2011 MacBook Pro models, Mid 2010/2011 27" iMac Core i5 and Core i7 models,... more Same Day $79.99 add to cart
Brand: Other World Computing OWC Item # OWC1333DDR3S8GB
New Price Badge 8.0GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Module
8.0GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Module for 2012 MacBook Pro models (non-Retina display). Lifetime Warranty. more Same Day $79.99 add to cart
Brand: Other World Computing OWC Item # OWC1600DDR3S8GB
New Price Badge 8.0GB (4GBx2) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Upgrade Kit
8.0GB (4GBx2) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Upgrade Kit for 2012 MacBook Pro 13" & 15" models (non-Retina display), PCs... more Same Day $85.98
Matched Kit for: $78.99
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Brand: Other World Computing OWC Item # OWC1600DDR3S08S
New Price Badge 8.0GB (2x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
8.0GB (2x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit for 2011 MacBook Pro models, Mid 2010/2011 21.5" & 27" iMac... more Same Day $83.98
Matched Kit for: $77.99
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Brand: Other World Computing OWC Item # OWC1333DDR38S08
(*) Apple/Major 8.0GB (4GBx2) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Kit *Used/Pulls*
(*) 8.0GB (4GBx2 Set) Apple/Major Factory Original PC3-12800 DDR3L 1600MHz 204 Pin CL11 SO-DIMM Memory Upgrade for 2011 & 2012 MacBook Pro(non-Retina... more Same Day $200.00
Matched Kit for: $59.00
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Brand: Apple OWC Item # APL12SOPAIR8GB Supply Limited: 23 available
(*) 8.0GB (2x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Kit
(*) 8.0GB (2x4.0GB Kit) PC3-10600 DDR3 1333MHz Kit for 2011 MacBook Pro models, Mid 2010/2011 21.5" & 27" iMac Models, Mid 2011 Mac mini models. **USE... more Same Day $85.98
Garage Sale Price: $58.00
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Brand: OWCClearance OWC Item # OWU1333DDR3S08S
(*) Apple/Maj 8.0GB (2x4.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Kit *Used/Pull*
(*) Apple/Major 8.0GB (2x4.0GB Kit) DDR3 1333MHz SO-DIMM Upgrade set for 2011 MacBook Pro models, Mid 2010/2011 21.5 & 27" iMac, 2011 Mac mini. *Used/... more Same Day $200.00
Matched Kit for: $57.50
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Brand: Apple OWC Item # APL10SOPAIR8GB Supply Limited: 6 available
New Price Badge 4.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module
4.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro(all sizes), Mid 2010/2011 21.5" & 27" iMac Models.... more Same Day $42.99 add to cart
Brand: Other World Computing OWC Item # OWC1333DDR3S4GB
New Price Badge 4.0GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Module
4.0GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Module for 2012 MacBook Pro models (non-Retina display). Lifetime Warranty. more Same Day $42.99 add to cart
Brand: Other World Computing OWC Item # OWC1600DDR3S4GB
New Price Badge 4.0GB (2x2.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 Memory Upgrade Kit
4.0GB (2x2.0GB Kit) PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 Memory Upgrade Kit for early 2011 MacBook Pro models and Mid 2010 21.5" & 27" iMac Mode... more Same Day $43.98
Matched Kit for: $41.99
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Brand: Other World Computing OWC Item # OWC1333DDR3S04S
4.0GB Samsung PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin SO-DIMM Memory Upgrade Module
4.0GB Samsung Factory Original PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro(all sizes), Mid 2010/2011... more Same Day $41.99 add to cart
Brand: Other World Computing OWC Item # OWC1333SAM3S4GB
New Price Badge 4.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module
4.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro(all sizes), Mid 2010/2011 21.5" & 27" iMac (except... more Same Day $41.99 add to cart
Brand: Other World Computing OWC Item # OWC1333DDR38S4G
(*) 4.0GB Apple/Samsung PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin SO-DIMM *Pull*
(*) 4GB DDR3 1333MHz 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac mini. *Used/Pull... more Same Day $100.00
Garage Sale Price: $29.00
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Brand: Apple OWC Item # APL10SOSAM4GB Supply Limited: 1 available
(*) 4.0GB Apple/Hynix PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory *Used/Pull*
(*) 4.0GB Apple/Hynix Factory Original PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory 2011 & 2012 MacBook Pro(non-Retina display), 2011 &... more Same Day $100.00
Garage Sale Price: $27.50
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Brand: Other World Computing OWC Item # APL12HYNDR3S4GB Supply Limited: 4 available
2.0GB Samsung PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin SO-DIMM Memory Upgrade Module
2.0GB Samsung Factory Original PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for early 2011 MacBook Pro(all sizes), Mid 201... more Same Day $26.99 add to cart
Brand: Other World Computing OWC Item # OWC1333SAM3S2GB
New Price Badge 2.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 Memory Upgrade Module
2.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for early 2011 MacBook Pro(all sizes), Mid 2010/2011 21.5" & 27" iMac,... more Same Day $21.99 add to cart
Brand: Other World Computing OWC Item # OWC1333DDR3S2GB
(*) 2.0GB Apple/Samsung PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory *Used/Pull*
(*) 2.0GB Apple/Samsung Factory Original PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Module for 2011 & 2012 MacBook Pro models (non-Re... more Same Day $100.00
Garage Sale Price: $13.00
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Brand: Apple OWC Item # APL12SAMDR3S2GB Supply Limited: 1 available
(*) 2.0GB Apple/Samsung PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin SO-DIMM *Pull*
(*) 2GB DDR3 1333MHz 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac mini. *Used/Pull... more Same Day $50.00
Garage Sale Price: $12.75
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Brand: Apple OWC Item # APL10SOSAM2GB Supply Limited: 14 available
(*) 2.0GB Apple/Hynix PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory *Used/Pull*
(*) 2.0GB Apple/Hynix Factory Original PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Module for 2011 & 2012 MacBook Pro(non-Retina displ... more Same Day $50.00
Garage Sale Price: $12.75
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Brand: Apple OWC Item # APL12HYNDR3S2GB
(*) 2.0GB Apple/Hynix PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin SO-DIMM *Pull*
(*) 2GB DDR3 1333MHz 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac mini. *Used/Pull... more Same Day $50.00
Garage Sale Price: $12.50
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Brand: Apple OWC Item # APL10SOHYN2GB Supply Limited: 21 available
(*) 2.0GB Apple/Micron PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory *Used/Pull*
(*) 2.0GB Apple/Micron Factory Original PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory 2011 & 2012 MacBook Pro(non-Retina display), 2011... more Same Day $50.00
Garage Sale Price: $12.25
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Brand: Apple OWC Item # APL12MICDR3S2GB
Showing 1-30 of 30 items
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