4GB PC3-10666 DDR3-1333 CL9 2Rx8 1.5V 240-Pin DIMM for HP, DELL, IBM/LENOVO, ASUS, ACER, COMPAQ, and more DESKTOPS by Gigaram 4GB PC3-10666 DDR3-1333 CL9 2Rx8 1.5V 240-Pin SDRAM DIMM Equivalent OEM part number: MT16JTF51264AZ-1G4D1, NT4GC64B8HB0NF-CG, MT16JTF51264AZ-1G4M1, KVR1333D3N9/4G, M378B5273DH0-CH9, HMT351U6CFR8C-H9N0. This module may be manufactured by Micron, Samsung, Hynix or Gigaram. This module is in stock and can ship today. Gigaram Guarantees 100% Compatibility and Lifetime Warranty Please check your machine if it can handle a 4GB module, if it can then just add this to your basket. Thanks for Shopping.