What are the speeds of DDR and SDRAM?

Answer DDR chip speed varies widely and should be matched with the computer's processor speed. As of 2010, an AMD DDR processor was the fastest at 333 MHz. SDRAM chip speed can be measured by speed in nan... Read More »

Top Q&A For: What are the speeds of DDR and SDRAM

Can you install different speeds of DDR2 sdram in a Mac G5?

You can install DDR2 SDRAM modules of different speeds together in a Power Mac G5. However, the memory will only operate as fast as the slowest module installed. For example, if you installed one 4... Read More »

Why is DDR SDRAM better than SDRAM?

DDR SDRAM stands for double data-rate synchronous dynamic random access memory, and SDRAM is simply synchronous dynamic random access memory. These acronyms are used in reference RAM, or a computer... Read More »

If your motherboard supports ecc sdram memory, can you substitute non-ecc sdram memory?

Some motherboards support both, check your motherboard.

Installed 512MB 133Mhz SDRAM into my P2 system with 256MB 133Mhz SDRAM installed and only 256MB RAM shows up?

Well maybe your motherboard doesnt support any higher than that. Happens alot.