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RamCity guarantees 100% that all modules below are compatible with the Apple iMac (Intel) 2009 Model 20-inch/24-inch

Kingston 8GB 204-pin SO-DIMM Kit (2x4GB)

Part #. KTA-MB1066K2/8G • DDR3-1066 / PC3-8500 • 1.5V • more info

Buy new: $191.99 $149.99

2 in Stock Free Shipping Guaranteed Compatible

RamCity 8GB CL7 204-pin SO-DIMM Kit (2x4GB)

Part #. 2xCKS • DDR3-1066 / PC3-8500 • CL7 • Dual Rank • 1.5V • 16-chip 256M x8 • more info

Buy new: $159.99 $124.99

119 in Stock Free Shipping Guaranteed Compatible

RamCity 4GB CL7 204-pin SO-DIMM

Part #. CKS • DDR3-1066 / PC3-8500 • CL7 • Dual Rank • 1.5V • 16-chip 256M x8 • more info

Buy new: $107.99 $83.99

239 in Stock Free Shipping Guaranteed Compatible

Kingston 4GB 204-pin SO-DIMM Kit (2x2GB)

Part #. KTA-MB1066K2/4G • DDR3-1066 / PC3-8500 • 1.5V • more info

Buy new: $127.99 $99.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 4GB CL7 204-pin SO-DIMM Kit (2x2GB)

Part #. 2xCJT • DDR3-1066 / PC3-8500 • CL7 • Dual Rank • 1.5V • 16-chip 128M x8 • more info

Buy new: $110.99 $86.99

9 in Stock Free Shipping Guaranteed Compatible

Kingston 4GB 204-pin SO-DIMM

Part #. KTA-MB1066/4G • DDR3-1066 / PC3-8500 • 1.5V • more info

Buy new: $123.99 $96.99

40 in Stock Free Shipping Guaranteed Compatible

Kingston 2GB

Part #. KTA-MB1066S/2G • DDR3-1066 / PC3-8500 • Single Rank • more info

Buy new: $76.99 $59.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston 2GB 204-pin SO-DIMM

Part #. KTA-MB1066/2G • DDR3-1066 / PC3-8500 • 1.5V • more info

Buy new: $122.99 $95.99

1 in Stock Free Shipping Guaranteed Compatible

RamCity 2GB CL7 204-pin SO-DIMM

Part #. CJT • DDR3-1066 / PC3-8500 • CL7 • 1.5V • 16-chip 128M x8 • more info

Buy new: $92.99 $72.99

18 in Stock Free Shipping Guaranteed Compatible

We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.

Need some help installing your upgrade? See our guides and videos.

System Specifications

Comments:

Model Identifier: iMac9,1

Standard Memory:

2GB (Removable) or
4GB (Removable)

Maximum Memory:

Expansion:

2 Sockets

CPU/Chipset:

Intel Core 2 Duo 2.66 GHz
Intel Core 2 Duo 2.93 GHz
Intel Core 2 Duo 3.06 GHz

Bus Architecture:

(N/A)

Mfr's System P/N's:

MB417LL/A; MB417T/A; MB417X/A; MB418BZ/A; MB418LL/A; MB418T/A; MB418X/A; MB419LL/A; MB419T/A; MB419X/A; MB420LL/A; MB420T/A; MB420X/A

Upgrade Path:

Virtually any configuration up to 8GB can be reached using any combination of 1GB, 2GB and 4GB modules.

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RamCity guarantees 100% that all modules below are compatible with the Apple iMac (Intel) 2009 Model 20-inch/24-inch