AddOn 67Y1389-AM 4GB DDR3 SDRAM Memory Module

This Lenovo 67Y1389 compatible 4GB DDR3-1333MHz dual rank unbuffered ECC 1.5V 240-pin CL9 factory original UDIMM is 100% guaranteed to be compatible with your system and to work right the first time. All of our server memory is built to strict JEDEC standards at one of the tier 1 facilities (Samsung, Micron, or Hynix). Our products are also guaranteed by federal law to not affect or void OEM warranties.

• Up to 1333 MHz memory speed for remarkable multitasking capability
• 4 GB of memory to heighten your computer's performance
• 240-pin-pin DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate