Features 1) 4GB PC3-10600 DDR3-1333 CL9 2Rx4 1.5V Registered ECC SDRAM 240-pin DIMM 2) Equivalent OEM part numbers: HMT151R7BFR4C-H9DB, HMT151R7TFR4C-H9D7, HMT151R7TFR4C-H9D2, M393B5170EH1-CH9, M393B5170DZ1-CH9Q1, M393B5170EH1-CH9Q4, M393B5170FHD-CH9, M393B5170GB0-CH9, M393B5170FH0-CH9Q4, M393B5170FH0-CH9, 500203-061, KTH-PL313/4G, KVR1333D3D4R9S/4G,NT4GC72B4NA1NL-CG , 44T1493, EBJ41HE4BDFD-DJ-F, EBJ41HE4BAFP-DJ-E, IMHH4GP12A1F1C-13H, CT51272BB1339.M36FF1, CT51272BB1339.Y36FY, MT36JSZF51272PZ-1G4G1HF, MT36JSZF51272PY-1G4D1, MT36JSZF51272PZ-1G4F1DD, MT36JSZF51272PY-1G4D1BA. 3) This module is major brand approved and tested by Gigaram engineers to work for machines that uses this specifications. 4) This module is in stock and can ship today. 5) 100% Compatible and Lifetime Warranty from Gigaram.