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.
- Allow convenient and fast access to the stored information your computer is actively using for maximum efficiency
- Up to 1333 MHz speed for smooth computer performance
- 4 GB memory smoothly executes complex apps and games
- 240-pin-pin DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
- 240-pin for enhanced, dependable system performance with maximum usability
- DIMM form factor with 240-pin and 4 GB memory size for enhanced performance and speed to allow maximum usability
