256Mb Rambus PC1066 32-bit RDRAM (RIMM4200)
Manufacturer: Samsung - Part number: MD18R1628DF0-CT9
232 pins, 32 bit, 1066Mhz, RIMM4200, 32ns, for Intel 850 chipsets.
This module is ECC but will work as non-ECC if installed with non-ECC modules.
P/N: MD18R1628DF0-CT9