diff --git a/ports/samd/boards/SEEED_XIAO/board.json b/ports/samd/boards/SEEED_XIAO_SAMD21/board.json
similarity index 88%
rename from ports/samd/boards/SEEED_XIAO/board.json
rename to ports/samd/boards/SEEED_XIAO_SAMD21/board.json
index f5fe27184..4e6217e19 100644
--- a/ports/samd/boards/SEEED_XIAO/board.json
+++ b/ports/samd/boards/SEEED_XIAO_SAMD21/board.json
@@ -8,7 +8,7 @@
     ],
     "images": ["seeeduino-xiao.jpg"],
     "mcu": "samd21",
-    "product": "Seeeduino XIAO",
+    "product": "Seeeduino XIAO (SAMD21)",
     "thumbnail": "",
     "url": "https://www.seeedstudio.com/Seeeduino-XIAO-Arduino-Microcontroller-SAMD21-Cortex-M0+-p-4426.html",
     "vendor": "Seeed Studio"
diff --git a/ports/samd/boards/SEEED_XIAO/mpconfigboard.h b/ports/samd/boards/SEEED_XIAO_SAMD21/mpconfigboard.h
similarity index 100%
rename from ports/samd/boards/SEEED_XIAO/mpconfigboard.h
rename to ports/samd/boards/SEEED_XIAO_SAMD21/mpconfigboard.h
diff --git a/ports/samd/boards/SEEED_XIAO/mpconfigboard.mk b/ports/samd/boards/SEEED_XIAO_SAMD21/mpconfigboard.mk
similarity index 100%
rename from ports/samd/boards/SEEED_XIAO/mpconfigboard.mk
rename to ports/samd/boards/SEEED_XIAO_SAMD21/mpconfigboard.mk
diff --git a/ports/samd/boards/SEEED_XIAO/pins.csv b/ports/samd/boards/SEEED_XIAO_SAMD21/pins.csv
similarity index 100%
rename from ports/samd/boards/SEEED_XIAO/pins.csv
rename to ports/samd/boards/SEEED_XIAO_SAMD21/pins.csv