Product Id: 26480832
Description: Lenovo - DDR3 - 4 GB - DIMM 240-pin - 1600 MHz / PC3-12800 - unbuffered - ECC - for ThinkStation D30 4354; E31 2552, 2553, 2555, 3688, 3690, 3691, 3695; P300 30AH, 30AK
Mfr Part #: 0B47377
MSRP: $62.22Adding more memory increases system performance. It allows you to take advantage of the ThinkStation full potential when working with 3D imaging, digital content creation, multimedia and other memory intensive applications.