Pulled from a working server, no longer required. I have 8 of these and 8 Kingston modules in my other listings. I may have more to add as I'm stripping other similar servers. Thanks for looking. The Samsung M393T5160QZA-CE6 is a 4GB DDR2 SDRAM RDIMM server memory module with ECC and Parity features. It has a total capacity of 4 GB and operates at a bus speed of PC2-5300 (DDR2-667). This memory module has 240 pins and is manufactured in Korea, Republic of. It is designed for use in servers to provide reliable and error-correcting performance for critical data processing tasks.