diff --git a/boards.txt b/boards.txt
index 1c44386bb0..6a9f6288e6 100644
--- a/boards.txt
+++ b/boards.txt
@@ -1301,7 +1301,8 @@ LoRa.menu.upload_method.dfuMethod.upload.tool=stm32CubeProg
3dprinter.menu.pnum.MALYANM200_F103CB.build.variant=MALYANM200_F103CB
3dprinter.menu.pnum.MALYANM200_F103CB.build.cmsis_lib_gcc=arm_cortexM3l_math
3dprinter.menu.pnum.MALYANM200_F103CB.build.startup_file=-DCUSTOM_STARTUP_FILE
-3dprinter.menu.pnum.MALYANM200_F103CB.build.extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial} -DVECT_TAB_OFFSET=0x2000
+3dprinter.menu.pnum.MALYANM200_F103CB.build.flash_offset=0x2000
+3dprinter.menu.pnum.MALYANM200_F103CB.build.extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial} -DVECT_TAB_OFFSET={build.flash_offset}
# MALYANM200_F070CB board
3dprinter.menu.pnum.MALYANM200_F070CB=Malyan M200 V2
@@ -1311,10 +1312,25 @@ LoRa.menu.upload_method.dfuMethod.upload.tool=stm32CubeProg
3dprinter.menu.pnum.MALYANM200_F070CB.build.board=MALYANM200_F070CB
3dprinter.menu.pnum.MALYANM200_F070CB.build.series=STM32F0xx
3dprinter.menu.pnum.MALYANM200_F070CB.build.product_line=STM32F070xB
-3dprinter.menu.pnum.MALYANM200_F070CB.build.variant=MALYANM200_F070CB
+3dprinter.menu.pnum.MALYANM200_F070CB.build.variant=MALYANMx00_F070CB
3dprinter.menu.pnum.MALYANM200_F070CB.build.cmsis_lib_gcc=arm_cortexM0l_math
3dprinter.menu.pnum.MALYANM200_F070CB.build.startup_file=-DCUSTOM_STARTUP_FILE
-3dprinter.menu.pnum.MALYANM200_F070CB.build.extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial} -DVECT_TAB_OFFSET=0x2000
+3dprinter.menu.pnum.MALYANM200_F070CB.build.flash_offset=0x2000
+3dprinter.menu.pnum.MALYANM200_F070CB.build.extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial} -DVECT_TAB_OFFSET={build.flash_offset}
+
+# MALYANM300_F070CB board
+3dprinter.menu.pnum.MALYANM300_F070CB=Malyan M300
+3dprinter.menu.pnum.MALYANM300_F070CB.upload.maximum_size=122880
+3dprinter.menu.pnum.MALYANM300_F070CB.upload.maximum_data_size=15168
+3dprinter.menu.pnum.MALYANM300_F070CB.build.mcu=cortex-m0
+3dprinter.menu.pnum.MALYANM300_F070CB.build.board=MALYANM300_F070CB
+3dprinter.menu.pnum.MALYANM300_F070CB.build.series=STM32F0xx
+3dprinter.menu.pnum.MALYANM300_F070CB.build.product_line=STM32F070xB
+3dprinter.menu.pnum.MALYANM300_F070CB.build.variant=MALYANMx00_F070CB
+3dprinter.menu.pnum.MALYANM300_F070CB.build.cmsis_lib_gcc=arm_cortexM0l_math
+3dprinter.menu.pnum.MALYANM300_F070CB.build.startup_file=-DCUSTOM_STARTUP_FILE
+3dprinter.menu.pnum.MALYANM300_F070CB.build.flash_offset=0x2000
+3dprinter.menu.pnum.MALYANM300_F070CB.build.extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial} -DVECT_TAB_OFFSET={build.flash_offset}
# VAkE v1.0
3dprinter.menu.pnum.VAKE_F446VE=VAkE v1.0
diff --git a/variants/MALYANM200_F070CB/PeripheralPins.c b/variants/MALYANMx00_F070CB/PeripheralPins.c
similarity index 100%
rename from variants/MALYANM200_F070CB/PeripheralPins.c
rename to variants/MALYANMx00_F070CB/PeripheralPins.c
diff --git a/variants/MALYANM200_F070CB/PinNamesVar.h b/variants/MALYANMx00_F070CB/PinNamesVar.h
similarity index 100%
rename from variants/MALYANM200_F070CB/PinNamesVar.h
rename to variants/MALYANMx00_F070CB/PinNamesVar.h
diff --git a/variants/MALYANM200_F070CB/ldscript.ld b/variants/MALYANMx00_F070CB/ldscript.ld
similarity index 100%
rename from variants/MALYANM200_F070CB/ldscript.ld
rename to variants/MALYANMx00_F070CB/ldscript.ld
diff --git a/variants/MALYANM200_F070CB/startup_M200_f070xb.S b/variants/MALYANMx00_F070CB/startup_Mx00_f070xb.S
similarity index 100%
rename from variants/MALYANM200_F070CB/startup_M200_f070xb.S
rename to variants/MALYANMx00_F070CB/startup_Mx00_f070xb.S
diff --git a/variants/MALYANM200_F070CB/variant.cpp b/variants/MALYANMx00_F070CB/variant.cpp
similarity index 100%
rename from variants/MALYANM200_F070CB/variant.cpp
rename to variants/MALYANMx00_F070CB/variant.cpp
diff --git a/variants/MALYANM200_F070CB/variant.h b/variants/MALYANMx00_F070CB/variant.h
similarity index 77%
rename from variants/MALYANM200_F070CB/variant.h
rename to variants/MALYANMx00_F070CB/variant.h
index c2c80b970f..068b02cef1 100644
--- a/variants/MALYANM200_F070CB/variant.h
+++ b/variants/MALYANMx00_F070CB/variant.h
@@ -35,7 +35,32 @@ extern "C" {
#endif // __cplusplus
/*----------------------------------------------------------------------------
- * Pins
+ * Pin M200 M300
+ * X_MIN_PIN PB4 -
+ * X_MAX_PIN - PC13
+ * Y_MIN_PIN PA15 -
+ * Y_MAX_PIN - PC14
+ * Z_MAX_PIN - PC15
+ * Z_MIN_PIN PB5 PB7
+ * X_STEP_PIN PB14 PB14
+ * X_DIR_PIN PB15 PB13
+ * X_ENABLE_PIN PA8 PB10
+ * Y_STEP_PIN PB12 PB12
+ * Y_DIR_PIN PB13 PB11
+ * Y_ENABLE_PIN PA8 PB10
+ * Z_STEP_PIN PB10 PB2
+ * Z_DIR_PIN PB2 PB1
+ * Z_ENABLE_PIN PA8 PB10
+ * E0_STEP_PIN PB0 PA7
+ * E0_DIR_PIN PC13 PA6
+ * E0_ENABLE_PIN PB1 PB0
+ * HEATER_0_PIN PB6 PA1
+ * HEATER_BED_PIN PB7 PA5
+ * TEMP_0_PIN PA0 PA0
+ * TEMP_BED_PIN PA1 PA4
+ * FAN1_PIN PB8 PA8
+ * FAN2_PIN PB3 -
+ *
*----------------------------------------------------------------------------*/
// USB connector on the top, MCU side
@@ -58,7 +83,7 @@ extern "C" {
#define PB13 15
#define PB12 16
// Right side
-#define PC13 17 // LED
+#define PC13 17
#define PC14 18
#define PC15 19
#define PA0 20 // A0
@@ -85,14 +110,27 @@ extern "C" {
#define NUM_ANALOG_FIRST 20
// On-board LED pin number
-#define LED_BUILTIN PC13
-#define LED_GREEN LED_BUILTIN
+#ifdef ARDUINO_MALYANM200_F070CB
+#define LED_GREEN PC13
+#else // MALYANM300_F070CB
+#define LED_RED PB15
+#define LED_GREEN PB8
+#define LED_BLUE PB9
+#endif
+#define LED_BUILTIN LED_GREEN
// SPI Definitions
+#ifdef ARDUINO_MALYANM200_F070CB
#define PIN_SPI_SS PA4
#define PIN_SPI_MOSI PA7
#define PIN_SPI_MISO PA6
#define PIN_SPI_SCK PA5
+#else // MALYANM300_F070CB
+#define PIN_SPI_SS PB6
+#define PIN_SPI_MOSI PB5
+#define PIN_SPI_MISO PB4
+#define PIN_SPI_SCK PB3
+#endif
// I2C Definitions
#define PIN_WIRE_SDA PB7