diff --git a/src/mainboard/google/rex/variants/screebo/memory/Makefile.mk b/src/mainboard/google/rex/variants/screebo/memory/Makefile.mk
index d633b43bef..d0dfec1db0 100644
--- a/src/mainboard/google/rex/variants/screebo/memory/Makefile.mk
+++ b/src/mainboard/google/rex/variants/screebo/memory/Makefile.mk
@@ -9,3 +9,4 @@ SPD_SOURCES += spd/lp5/set-0/spd-7.hex      # ID = 1(0b0001)  Parts = MT62F1G32D
 SPD_SOURCES += spd/lp5/set-0/spd-8.hex      # ID = 2(0b0010)  Parts = K3KL9L90CM-MGCT
 SPD_SOURCES += spd/lp5/set-0/spd-9.hex      # ID = 3(0b0011)  Parts = K3KL6L60GM-MGCT
 SPD_SOURCES += spd/lp5/set-0/spd-11.hex      # ID = 4(0b0100)  Parts = K3KL8L80EM-MGCU
+SPD_SOURCES += spd/lp5/set-0/spd-10.hex      # ID = 5(0b0101)  Parts = K3KL9L90EM-MGCU
diff --git a/src/mainboard/google/rex/variants/screebo/memory/dram_id.generated.txt b/src/mainboard/google/rex/variants/screebo/memory/dram_id.generated.txt
index a7e4fe684f..6498a2b97e 100644
--- a/src/mainboard/google/rex/variants/screebo/memory/dram_id.generated.txt
+++ b/src/mainboard/google/rex/variants/screebo/memory/dram_id.generated.txt
@@ -12,3 +12,4 @@ K3KL9L90CM-MGCT                2 (0010)
 K3KL6L60GM-MGCT                3 (0011)
 K3KL8L80CM-MGCT                1 (0001)
 K3KL8L80EM-MGCU                4 (0100)
+K3KL9L90EM-MGCU                5 (0101)
diff --git a/src/mainboard/google/rex/variants/screebo/memory/mem_parts_used.txt b/src/mainboard/google/rex/variants/screebo/memory/mem_parts_used.txt
index 7d8cfba3d1..76e077f98c 100644
--- a/src/mainboard/google/rex/variants/screebo/memory/mem_parts_used.txt
+++ b/src/mainboard/google/rex/variants/screebo/memory/mem_parts_used.txt
@@ -17,3 +17,4 @@ K3KL9L90CM-MGCT
 K3KL6L60GM-MGCT
 K3KL8L80CM-MGCT
 K3KL8L80EM-MGCU
+K3KL9L90EM-MGCU