512MB PC133 CL3 Low Profile 1.25 inch SO-... (TPW133SO512L) at OWC

Add up to four displays to your Mac via USB! Only $87.99

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512MB PC133 CL3 Low Profile 1.25 inch SO-DIMM(Non-Stacked!) for all PowerBook G4 15" Titanium Models-Get up to 1GB! Max any Apple iBook G3 Model up to 640MBs! Lifetime Warranty. (OWC133SO512328L)	Same Day	$32.99

Now you can have the 1GB of RAM in your PowerBook G4 Titanium that Apple promised when you bought it!!

OWC SO-DIMM modules meet or exceed Apple Specifications insuring complete compatibility and a lifetime of reliable operation. Major brand chips are installed on a high quality third party board. Should an OWC provided memory module ever fail, a replacement will be provided free of charge upon the return of the failed/defective module to OWC.

Click here to get your Model Identifier number
This memory module is compatible with the following Apple Systems
Apple PowerBook G4 aka "Titanium" (All Models) PowerMac3,2	Click HERE for installation instructions
Apple iBook G3 (Dual USB) 12" (All Models)	Click HERE for installation instructions
Apple iBook G3 (Dual USB) - 14" (All Models)	Click HERE for installation instructions
Apple PowerBook G3 2000, aka "Pismo", aka "FireWire" PowerMac3,1	Click HERE for installation instructions
Apple iMac G4/700MHz PowerMac4,2	Click HERE for installation instructions
Apple iMac G4/800MHz PowerMac4,2	Click HERE for installation instructions

OWC Notes about restarting problems and 512MB memory modules

Firmware Update 4.2.9 includes improvements to Firewire target disk mode when running Mac OS X, and improves starting up on systems with 1gigabyte (GB) RAM and enables Netbooting over gigabit Ethernet.

Thank You for being an Other World Computing customer!

OWC Notes about Apple Firmware updates

OWC Memory has been tested and is found 100% compatible all Apple Firmware versions including the latest 4.1.x & 4.2.x updates. Many people have experienced problems with memory after installing this latest update, but OWC has always provided memory fully meeting Apple stated specifications and as such has not been subject to these problems.

Thank You for being an Other World Computing customer!

A note about compatibility with upgrades:

Compatibility is listed by Apple Stock Model/Stock Information. This compatibility does not change even if you have upgraded your system from stock with faster processor upgrade, etc.

Product Specifications