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Product Specs:
OWC Memory fully meets Apple's specifications with special attention to proper thermal specifications.
Apple Computer Firmware Revision notes:
OWC Memory has been tested and is found 100% compatible with the new Apple Firmware update 4.1.7 and 4.1.8. Many people have experienced problems with memory after installing this latest update, but the memory OWC is providing fully meets all Apple Specs
and is not subject to these problems. Thank you for being an OWC Customer!
Memory Trade in
Save money by trading in your original chips! View available memory rebates.
From the purchase date of qualifying memory from OWC, you have 60 days to trade-in your old memory for a cash rebate!
Just fill out OWC's online rebate form or contact OWC Customer Service after you receive and install your new memory.
This OWC Memory is compatible with... Learn how to find your Mac's model ID or PC specs
PowerBook G3
PowerBook G3 (Lombard)
(May, 1999)
Model ID: PowerBook1,1
333MHz, 400MHz
PowerBook G3
PowerBook G3 (Wallstreet)
(May, 1998)
Model ID: 314, 312
233MHz, 250MHz, 292MHz
iMac G3
iMac (5 Flavors)
(January, 1999)
Model ID: iMac,1
266MHz, 333MHz
iMac G3
iMac (Bondi Blue)
(May, 1998)
Model ID: iMac,1
PC Laptop
PC Laptops
Compatible with Intel / AMD Process based PCs capable with the specifications listed above. Memory complies with JEDEC Specifications, document JESD79-3B.

Customer Ratings

Write a Review 5 / 5 1 out of 1 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: Anonymous Age: 55-65 Experience Level: Hobbiest Owned Product: less than a month
Rating: 5/5 Nice upgrade.... October 10, 2013 Thanks to OWC (and the memory manufacturer), I was able to double the memory in my old iMac with noticeable increase in performance. Nice website and great doing business with a company that represents itself in a highly professional and friendly manner....

I would recommend this item to a friend!

OWC Memory 256MB 256MB PC100 DDR Mfr P/N: TPW256L OWC SKU: OWC100SO256168L OWC Memory Upgrade Module Lifetime OWC Limited Warranty Ships: Same Day only $16.79
Add to CartOther World Computing TPW256L In Stock, Click to Buy Now