diff --git a/src/mainboard/system76/mtl/Kconfig b/src/mainboard/system76/mtl/Kconfig
index b2cca452e9..ac6b666074 100644
--- a/src/mainboard/system76/mtl/Kconfig
+++ b/src/mainboard/system76/mtl/Kconfig
@@ -32,6 +32,12 @@ config BOARD_SYSTEM76_DARP10
 	select SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
 	select SOC_INTEL_METEORLAKE_U_H
 
+config BOARD_SYSTEM76_DARP10_B
+	select BOARD_SYSTEM76_MTL_COMMON
+	select MAINBOARD_USES_IFD_GBE_REGION
+	select SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
+	select SOC_INTEL_METEORLAKE_U_H
+
 config BOARD_SYSTEM76_LEMP13
 	select BOARD_SYSTEM76_MTL_COMMON
 	select DRIVERS_I2C_TAS5825M
@@ -45,7 +51,7 @@ config MAINBOARD_DIR
 	default "system76/mtl"
 
 config VARIANT_DIR
-	default "darp10" if BOARD_SYSTEM76_DARP10
+	default "darp10" if BOARD_SYSTEM76_DARP10 || BOARD_SYSTEM76_DARP10_B
 	default "lemp13" if BOARD_SYSTEM76_LEMP13
 
 config OVERRIDE_DEVICETREE
@@ -53,14 +59,16 @@ config OVERRIDE_DEVICETREE
 
 config MAINBOARD_PART_NUMBER
 	default "darp10" if BOARD_SYSTEM76_DARP10
+	default "darp10-b" if BOARD_SYSTEM76_DARP10_B
 	default "lemp13" if BOARD_SYSTEM76_LEMP13
 
 config MAINBOARD_SMBIOS_PRODUCT_NAME
-	default "Darter Pro" if BOARD_SYSTEM76_DARP10
+	default "Darter Pro" if BOARD_SYSTEM76_DARP10 || BOARD_SYSTEM76_DARP10_B
 	default "Lemur Pro" if BOARD_SYSTEM76_LEMP13
 
 config MAINBOARD_VERSION
 	default "darp10" if BOARD_SYSTEM76_DARP10
+	default "darp10-b" if BOARD_SYSTEM76_DARP10_B
 	default "lemp13" if BOARD_SYSTEM76_LEMP13
 
 config CMOS_DEFAULT_FILE
diff --git a/src/mainboard/system76/mtl/Kconfig.name b/src/mainboard/system76/mtl/Kconfig.name
index b1454f2eff..93c12d8e4f 100644
--- a/src/mainboard/system76/mtl/Kconfig.name
+++ b/src/mainboard/system76/mtl/Kconfig.name
@@ -3,5 +3,8 @@
 config BOARD_SYSTEM76_DARP10
 	bool "darp10"
 
+config BOARD_SYSTEM76_DARP10_B
+	bool "darp10-b"
+
 config BOARD_SYSTEM76_LEMP13
 	bool "lemp13"