4GB KIT (4 x 1GB) For HP-Compaq HP Presario Desktop 8000T (DDR) (800MHz FSB) SR1830NX SR1834NX SR1838NX SR1850NX SR1900NX SR1910NX SR1913WM SR1913WM-B SR1917CL SR1920NX SR1923WM SR1924NX SR1934NX SR1950NX SR1954NX SR2039X SR2041X SR2054X S4000T S5000T S5600UK (800MHZ FSB) SR1005T SR1010T SR1020Z SR1110NX SR1151NX SR1199AN SR1210CF SR1210ES SR1219UK SR1220ES SR1222NX SR1222NX-B SR1230AP SR1230ND. DIMM DDR NON-ECC PC3200 400MHz RAM Memory. Genuine A-Tech Brand. 4GB KIT (4 x 1GB) DIMM DDR NON-ECC PC3200 400MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For HP-Compaq HP Presario Desktop. (See Compatibility List Below)