Axiom 4GB DDR3-1333 ECC RDIMM for Lenovo # 57Y4426, 67Y0016, 67Y1433, 46U3443
- 4 GB memory allows you to have more programs open at a time
- DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate
- Up to 1333 MHz speed with Registered signal for playing the latest games and using heavy software