diff --git a/1/FH/assignments/t2-ej4-memoria.txt b/1/FH/assignments/t2-ej4-memoria.txt
index 5b6f2b6..555af3b 100644
--- a/1/FH/assignments/t2-ej4-memoria.txt
+++ b/1/FH/assignments/t2-ej4-memoria.txt
@@ -1,14 +1,14 @@
 1) DDR3-800 ->
-800 MHz * 8 bits / 8 = 800 MB/s => PC(3)-800
-Interno: 800 MB/s
-Externo: 100 MB/s
+800 MHz * 64 bits / 8 = 6400 MB/s => PC(3)-6400
+Externo: 800/2 = 400 MHz
+Interno: 800/8 = 100 MHz
 
 2) DDR2-400 ->
-400 MHz * 4 bits / 8 = 200 MB/s => PC(2)-200
-Interno: 200 MB/s
-Externo: 50 MB/s
+400 MHz * 64 bits / 8 = 3200 MB/s => PC(2)-3200
+Externo: 400 / 2 = 200 MHz
+Interno: 400 / 4 = 100 MHz
 
 3) PC(1)-1600 ->
-1600 * 8 / 2 = 6400 MHz => DDR-6400
-Interno: 12800MHz
-Externo: 6400MHz
+1600 * 8 / 64 = 6400 MHz => DDR-200
+Externo: 200 / 2 = 100 MHz
+Interno: 200 / 2 = 100 MHz