Product Id: 21855174
Description: Lenovo - DDR3 - 4 GB - DIMM 240-pin - 1333 MHz / PC3-10600 - CL9 - 1.35 V - registered - ECC - for Flex System x240 Compute Node; System x3400 M3; x35XX M3; x35XX M4; x3650 M3; x36XX M4
Mfr Part #: 49Y1406
MSRP: $154.88Adding more memory increases system performance. This Lenovo DDR3 memory allows you to upgrade your system's performance and enhance its ability to run more programs simultaneously.