Hard Drive Upgrade Options Featured for iMac*
Easy to Upgrade your iMac (October 09) Hard Drive
*New iMac models do not have universal manufacturer compatibility, use the steps below to choose the hard drive right for your machine.
Check your Hard Drive Manufacturer on your Machine
Step 1: Click the Apple Icon (top left
corner) and Select 'About This Mac'
Step 2: In the new window titled 'About This
Mac' click the 'More Info...' button.
Step 3: Click on 'Serial-ATA' over to the left of the
widow that just opened.
• Your Hard Drive Manufacturer's Number will be located at the top under "NVidia MCP79 AHCI"
• If it states..
"WDC WD", you have a Western Digital Drive "ST", you have a Seagate Drive
• Click your Hard Drive Manufacturer below for all listed options.
All OWC Memory is covered by a Lifetime Advance
Replacement Warranty and 30 Day Money Back Guarantee! This warranty
shows our commitment and confidence in the product we sell. OWC certifies
and tests ALL OWC memory to ensure that this memory meets or exceeds
the specifications for those systems a module is listed as being
correct/compatible with. Unlike the competition, OWC owns and maintains
our own lab that includes nearly every Apple/Mac model we list compatibility
In addition to the long testing every OWC module undergoes before shipping
(most just short test if they test at all), we also continuously
batch test modules in the actual machines. You can count on OWC to
consistently deliver the top quality memory products you need, correct
for your system for a lifetime of reliable operation. Click
here for Warranty/Guarantee Details
Free Do It Yourself Installation Videos
With the right tools you can install iMac memory module or hard drive right in the
comfort of your own home. Our exclusive installation videos show you how.