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+1) DDR3-800 Triple Canal
+800 * 64 / 8 = 6400 MB/s => PC(3)-6400
+MTTR = 6400 MB/s
+Externo: 800/2 = 400 MHz
+Interno: 800/8 = 100 MHz
+
+2) DDR2-400 Dual canal
+400 * 64 / 8 = 3200 MB/s
+MTTR = 3200 MB/s
+Externo: 400/2 = 200 MHz
+Interno: 400/4 = 100 MHz