Dell Poweredge 1850 Memory Question

Would this memory module work in an 1850? I think the answer is no because the CAS latency is too high (5) just looking to confirm. I'm searching for a relatively inexpensive set of 2 x 2gb single rank memory modules.

http://www.corsair.com/products/server_memory.aspx 

This module - CM72DD2048R-667

Thanks!