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DDR SDRAM v. PC-100 or PC-133 SDRAM?
If you don't know which version you have, please consult our SDRAM vs. DDR SDRAM guide.
In early 2003, Apple upgraded the iMac Flat Panel's memory controller to run high-speed DDR memory. Earlier models all run standard SDRAM. The DDR version can run a maximum of 2GB (two 1GB modules.)
The User Slot is the memory slot on the bottom of the machine. When you purchase your new iMac, this is the slot that will be empty. This slot uses a SO-DIMM.
User Slot RAM Installation Guide
Your new iMac will arrive with either a 128MB or a 256MB DIMM already installed. In order to upgrade the RAM in this Apple slot, you will need to remove the original RAM first. This slot uses a standard Long-DIMM.
Apple Slot RAM Installation Guide
|256MB for User Slot||$29.99|
|512MB for User Slot||$45.99|
|512MB for Apple Slot||$39.99|
|1GB for User Slot||$59.99|
|1GB for Apple Slot||$55.99|
|Domestic Shipping Options||Delivery Estimate|
|US Postal Service 1st Class*||$2.99||3-10 business days|
|US Postal Service Priority Mail||$6.99||2-4 business days|
|UPS Ground||$9.99||3-5 business days|
|UPS 2-Day||$12.99 and up||2 business days|
|UPS Overnight||$29.99 and up||1 business day|
|International Shipping Options||Delivery Estimate|
|UPS Worldwide Expedited||Price varies||2-5 business days**|
|UPS Worldwide Saver||Price varies||1-3 business days**|
Ramjet offers same day shipping for UPS Overnight and UPS 2-day air orders for in-stock items that are received by 3pm Central time Monday through Friday (Holidays excluded.) UPS costs are calculated based on promixity and package weight.
* Shipping weights above .8 lbs (13 ounces) can not use US Postal Service 1st Class.
** International shipping charges include all brokerage fees, but do not include taxes or duties assessed by your local government. International delivery estimates do not include any customs inspection delays.