2x1gb pc2 5300 *Registered* ECC Modules Hynix
Hynix Part no: HYMP512P72CP4-Y5
Bought in error (they arent compatible with my dell SC440 as they are registered and it requires unregistered memory, doh.
As such I have *not* tested them but Im happy to take them back and refund if you have a problem with them.
1st class RM