diff --git a/src/mainboard/system76/rpl/variants/addw3/overridetree.cb b/src/mainboard/system76/rpl/variants/addw3/overridetree.cb
index 32e1b41f75..4f51b76bc8 100644
--- a/src/mainboard/system76/rpl/variants/addw3/overridetree.cb
+++ b/src/mainboard/system76/rpl/variants/addw3/overridetree.cb
@@ -1,6 +1,6 @@
 chip soc/intel/alderlake
-	# Support 5200 MT/s memory
-	register "max_dram_speed_mts" = "5200"
+	# Support 5600 MT/s memory
+	register "max_dram_speed_mts" = "5600"
 
 	device domain 0 on
 		subsystemid 0x1558 0xa671 inherit
diff --git a/src/mainboard/system76/rpl/variants/bonw15/overridetree.cb b/src/mainboard/system76/rpl/variants/bonw15/overridetree.cb
index 7e632c5458..ec348cf4c1 100644
--- a/src/mainboard/system76/rpl/variants/bonw15/overridetree.cb
+++ b/src/mainboard/system76/rpl/variants/bonw15/overridetree.cb
@@ -1,6 +1,6 @@
 chip soc/intel/alderlake
-	# Support 5200 MT/s memory
-	register "max_dram_speed_mts" = "5200"
+	# Support 5600 MT/s memory
+	register "max_dram_speed_mts" = "5600"
 
 	device domain 0 on
 		subsystemid 0x1558 0x3702 inherit
diff --git a/src/mainboard/system76/rpl/variants/serw13/overridetree.cb b/src/mainboard/system76/rpl/variants/serw13/overridetree.cb
index 123ae3928d..0a1cc307ef 100644
--- a/src/mainboard/system76/rpl/variants/serw13/overridetree.cb
+++ b/src/mainboard/system76/rpl/variants/serw13/overridetree.cb
@@ -1,6 +1,6 @@
 chip soc/intel/alderlake
-	# Support 5200 MT/s memory
-	register "max_dram_speed_mts" = "5200"
+	# Support 5600 MT/s memory
+	register "max_dram_speed_mts" = "5600"
 
 	device domain 0 on
 		subsystemid 0x1558 0xd502 inherit