Models that these upgrades will work for:

HP-Compaq Pavilion Media Center a1310in, HP-Compaq Pavilion Media Center a1312n, HP-Compaq Pavilion Media Center a1315in, HP-Compaq Pavilion Media Center a1319h, HP-Compaq Pavilion Media Center a1320in, HP-Compaq Pavilion Media Center a1320n, HP-Compaq Pavilion Media Center a1322in, HP-Compaq Pavilion Media Center a1322kr, HP-Compaq Pavilion Media Center a1323w, HP-Compaq Pavilion Media Center a1324n, HP-Compaq Pavilion Media Center a1325a, HP-Compaq Pavilion Media Center a1328x, HP-Compaq Pavilion Media Center a1329kr, HP-Compaq Pavilion Media Center a1329x, HP-Compaq Pavilion Media Center a1339kr, HP-Compaq Pavilion Media Center a1340n, HP-Compaq Pavilion Media Center a1350a, HP-Compaq Pavilion Media Center a1355a, HP-Compaq Pavilion Media Center a1370tw, HP-Compaq Pavilion Media Center a1373w, HP-Compaq Pavilion Media Center a1375a, HP-Compaq Pavilion Media Center a1388d, HP-Compaq Pavilion Media Center a1395d, HP-Compaq Pavilion Media Center a1399d