# Can I use pc2700 DDR ram instead of PC 2100

**URL:** https://boards.straightdope.com/t/can-i-use-pc2700-ddr-ram-instead-of-pc-2100/234708
**Category:** Factual Questions
**Created:** [March 16, 2004, 9:43pm UTC](https://boards.straightdope.com/t/can-i-use-pc2700-ddr-ram-instead-of-pc-2100/234708 "2004-03-16T21:43:59Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![bryanmaguire](https://avatars.discourse-cdn.com/v4/letter/b/d07c76/32.png) [@bryanmaguire](https://boards.straightdope.com/u/bryanmaguire)
#### Post date: [March 16, 2004, 9:43pm UTC](https://boards.straightdope.com/t/can-i-use-pc2700-ddr-ram-instead-of-pc-2100/234708/1 "2004-03-16T21:43:59Z")

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The title pretty much says it all. I’m building a pc and the MB uses PC2100 DDR Ram. Can I substitute PC2700 memory instead?

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### Author: ![Mailbox](https://avatars.discourse-cdn.com/v4/letter/m/7feea3/32.png) [@Mailbox](https://boards.straightdope.com/u/Mailbox)
#### Post date: [March 16, 2004, 9:56pm UTC](https://boards.straightdope.com/t/can-i-use-pc2700-ddr-ram-instead-of-pc-2100/234708/2 "2004-03-16T21:56:04Z")

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Yes. It shouldn’t be a problem.