A comprehensive upgrade for desktops with four memory slots. It's a non-ECC, unbuffered kit available on Newegg. OWC 4GB DDR2 667 Memory Newegg.com - OWC& more Go to product viewer dialog for this item.

A-Tech 4GB (4x1GB) DDR2 667MHz DIMM PC2-5300 UDIMM Non-ECC 1.8V CL5 240-Pin Desktop Computer RAM Memory Upgrade Kit Newegg.com - A-Tech Go to product viewer dialog for this item.

2gb 2x1gb Pc2 5300 Corsair Vs1gb667d2 Valueselect Ddr2-667 Desktop Go to product viewer dialog for this item.

A high-capacity option for select laptops that support 4GB modules. This kit is frequently used for Mac upgrades and can be purchased at Best Buy . Quick Buying Checklist

PC2-5300 (DDR2-667MHz) RAM is a legacy memory standard primarily used in systems from the mid-to-late 2000s. For the best performance and compatibility, reputable brands like , Kingston , and Corsair are widely available through various retailers. Recommended PC2-5300 RAM Modules Crucial DDR2 CL5 Sodimm 200-Pin StarMicroInc.Net& more Go to product viewer dialog for this item.

A reliable 240-pin desktop memory module. Kingston's ValueRAM line is known for meeting JEDEC specifications for broad compatibility. You can find various configurations at eSaitech .