diff --git a/src/mainboard/google/rex/variants/karis/memory/Makefile.mk b/src/mainboard/google/rex/variants/karis/memory/Makefile.mk
index b56247ea44..45f30a7e89 100644
--- a/src/mainboard/google/rex/variants/karis/memory/Makefile.mk
+++ b/src/mainboard/google/rex/variants/karis/memory/Makefile.mk
@@ -4,7 +4,7 @@
 # util/spd_tools/bin/part_id_gen MTL lp5 src/mainboard/google/rex/variants/karis/memory src/mainboard/google/rex/variants/karis/memory/mem_parts_used.txt
 
 SPD_SOURCES =
-SPD_SOURCES += spd/lp5/set-0/spd-11.hex      # ID = 0(0b0000)  Parts = MT62F1G32D2DS-023 WT:B, H58G56BK8BX068
+SPD_SOURCES += spd/lp5/set-0/spd-11.hex      # ID = 0(0b0000)  Parts = MT62F1G32D2DS-023 WT:B, H58G56BK8BX068, K3KL8L80EM-MGCU
 SPD_SOURCES += spd/lp5/set-0/spd-1.hex      # ID = 1(0b0001)  Parts = H9JCNNNBK3MLYR-N6E, MT62F512M32D2DR-031 WT:B
 SPD_SOURCES += spd/lp5/set-0/spd-7.hex      # ID = 2(0b0010)  Parts = K3KL8L80CM-MGCT
 SPD_SOURCES += spd/lp5/set-0/spd-10.hex      # ID = 3(0b0011)  Parts = H58G66CK8BX147
diff --git a/src/mainboard/google/rex/variants/karis/memory/dram_id.generated.txt b/src/mainboard/google/rex/variants/karis/memory/dram_id.generated.txt
index 8a32e1fd77..d7b77d7c83 100644
--- a/src/mainboard/google/rex/variants/karis/memory/dram_id.generated.txt
+++ b/src/mainboard/google/rex/variants/karis/memory/dram_id.generated.txt
@@ -10,3 +10,4 @@ H58G56BK8BX068                 0 (0000)
 K3KL8L80CM-MGCT                2 (0010)
 MT62F512M32D2DR-031 WT:B       1 (0001)
 H58G66CK8BX147                 3 (0011)
+K3KL8L80EM-MGCU                0 (0000)
diff --git a/src/mainboard/google/rex/variants/karis/memory/mem_parts_used.txt b/src/mainboard/google/rex/variants/karis/memory/mem_parts_used.txt
index 217cd83e72..e839b0975c 100644
--- a/src/mainboard/google/rex/variants/karis/memory/mem_parts_used.txt
+++ b/src/mainboard/google/rex/variants/karis/memory/mem_parts_used.txt
@@ -15,3 +15,4 @@ H58G56BK8BX068
 K3KL8L80CM-MGCT
 MT62F512M32D2DR-031 WT:B
 H58G66CK8BX147
+K3KL8L80EM-MGCU