4GB PC3-10600 DDR3-1333 2Rx8 1.5V 204-pin SODIMM (p/n CRH) 4GB PC3-10600 DDR3-1333 2Rx8 1.5V 204-pin SODIMM Equivalent oem part numbers: KTA-MB1333/4G, MT16JSF51264HZ-1G4D1, MT16JTF51264HZ-1G4M1, M471B5273CH0-CH9, M471B5273BH1-CH9, M471B5273DH0-CH9, M471B5273EB0-CH9, HMT351S6CFR8C-H9, NT4GC64B8HG0NS-CG. Brand: Samsung, Micron, Hynix, or Memoryten This module is in stock and can ship today. 100% Compatible and Lifetime Warranty from Memoryten.