HP 2GB DDR3 SDRAM Memory Module - 2 GB - DDR3-800/PC3-6400 DDR3 SDRAM - 800 MHz - 144-pin - SoDIMM - 90 Day Warranty 800 MHz speed to execute routine softwares at a steady pace SoDIMM 2 GB memory smoothly executes complex apps and games DDR3 SDRAM operates at an effective bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation . . Additional Warranty Information : This product will be replaced if defective in manufacture or packaging. Except for such replacement, we shall not be responsible for incidental or consequential damages related to the use of this product. Device Supported : Printer Limited Warranty : 90 Day Thickness : 0.15" (3.81 mm) Form Factor : SoDIMM Memory Technology : DDR3 SDRAM Manufacturer Website Address : http://www.hp.com Memory Size : 2 GB Product Type : RAM Module Length : 2.66" (67.56 mm) Number of Pins : 144-pin Manufacturer : HP Inc. Memory Speed : 800 MHz Compatibility : HP Color LaserJet Enterprise Flow MFP: M577c M577z M681f M681z M682z HP Color LaserJet Enterprise: M652dn M652n M653dh M653dn M653x HP Color LaserJet Enterprise MFP: M577dn M577f M681dh M681f HP LaserJet Enterprise Flow MFP: M527c M527z M631h M632z M633z HP LaserJet Enterprise MFP: M527f M631z M632fht M632h M633fh HP PageWide Enterprise Color: 556dn 556xh 765dn HP PageWide Enterprise Color MFP: 586dn 586f HP PageWide Enterprise Color Flow MFP: 586z Country of Origin : China Memory Standard : DDR3-800/PC3-6400