diff --git a/ports/cxd56/mpconfigport.mk b/ports/cxd56/mpconfigport.mk
index eb077c07bd..914e0b37d5 100644
--- a/ports/cxd56/mpconfigport.mk
+++ b/ports/cxd56/mpconfigport.mk
@@ -1,5 +1,5 @@
 USB_SERIAL_NUMBER_LENGTH = 10
-USB_MSC_MAX_PACKET_SIZE = 512
+USB_HIGHSPEED = 1
 USB_RENUMBER_ENDPOINTS = 0
 USB_CDC_EP_NUM_NOTIFICATION = 3
 USB_CDC_EP_NUM_DATA_OUT = 2
diff --git a/ports/mimxrt10xx/mpconfigport.mk b/ports/mimxrt10xx/mpconfigport.mk
index 12f34343b9..b4cc9586ac 100644
--- a/ports/mimxrt10xx/mpconfigport.mk
+++ b/ports/mimxrt10xx/mpconfigport.mk
@@ -15,7 +15,7 @@ endif
 INTERNAL_LIBM = 1
 
 USB_SERIAL_NUMBER_LENGTH = 32
-USB_MSC_MAX_PACKET_SIZE = 512
+USB_HIGHSPEED = 1
 
 INTERNAL_FLASH_FILESYSTEM = 1
 
diff --git a/supervisor/supervisor.mk b/supervisor/supervisor.mk
index 1885366865..a066fc0fd4 100644
--- a/supervisor/supervisor.mk
+++ b/supervisor/supervisor.mk
@@ -129,8 +129,8 @@ ifndef USB_HID_DEVICES
 USB_HID_DEVICES = "KEYBOARD,MOUSE,CONSUMER,GAMEPAD"
 endif
 
-ifndef USB_MSC_MAX_PACKET_SIZE
-USB_MSC_MAX_PACKET_SIZE = 64
+ifndef USB_HIGHSPEED
+USB_HIGHSPEED = 0
 endif
 
 ifndef USB_CDC_EP_NUM_NOTIFICATION
@@ -178,7 +178,6 @@ USB_DESCRIPTOR_ARGS = \
 	--interface_name $(USB_INTERFACE_NAME)\
 	--devices $(USB_DEVICES)\
 	--hid_devices $(USB_HID_DEVICES)\
-  --msc_max_packet_size $(USB_MSC_MAX_PACKET_SIZE)\
 	--cdc_ep_num_notification $(USB_CDC_EP_NUM_NOTIFICATION)\
 	--cdc_ep_num_data_out $(USB_CDC_EP_NUM_DATA_OUT)\
 	--cdc_ep_num_data_in $(USB_CDC_EP_NUM_DATA_IN)\
@@ -195,6 +194,10 @@ ifeq ($(USB_RENUMBER_ENDPOINTS), 0)
 USB_DESCRIPTOR_ARGS += --no-renumber_endpoints
 endif
 
+ifeq ($(USB_HIGHSPEED), 1)
+USB_DESCRIPTOR_ARGS += --highspeed
+endif
+
 $(BUILD)/supervisor/shared/translate.o: $(HEADER_BUILD)/qstrdefs.generated.h
 
 $(BUILD)/autogen_usb_descriptor.c $(BUILD)/genhdr/autogen_usb_descriptor.h: autogen_usb_descriptor.intermediate
diff --git a/tools/gen_usb_descriptor.py b/tools/gen_usb_descriptor.py
index adec33100e..af4e9e329f 100644
--- a/tools/gen_usb_descriptor.py
+++ b/tools/gen_usb_descriptor.py
@@ -23,6 +23,8 @@ ALL_HID_DEVICES_SET=frozenset(ALL_HID_DEVICES.split(','))
 DEFAULT_HID_DEVICES='KEYBOARD,MOUSE,CONSUMER,GAMEPAD'
 
 parser = argparse.ArgumentParser(description='Generate USB descriptors.')
+parser.add_argument('--highspeed', default=False, action='store_true',
+                    help='descriptor for highspeed device')
 parser.add_argument('--manufacturer', type=str,
                     help='manufacturer of the device')
 parser.add_argument('--product', type=str,
@@ -40,8 +42,6 @@ parser.add_argument('--hid_devices', type=lambda l: tuple(l.split(',')), default
 parser.add_argument('--interface_name', type=str,
                     help='The name/prefix to use in the interface descriptions',
                     default=DEFAULT_INTERFACE_NAME)
-parser.add_argument('--msc_max_packet_size', type=int, default=64,
-                    help='Max packet size for MSC')
 parser.add_argument('--no-renumber_endpoints', dest='renumber_endpoints', action='store_false',
                     help='use to not renumber endpoint')
 parser.add_argument('--cdc_ep_num_notification', type=int, default=0,
@@ -185,11 +185,15 @@ cdc_data_interface = standard.InterfaceDescriptor(
         standard.EndpointDescriptor(
             description="CDC data out",
             bEndpointAddress=args.cdc_ep_num_data_out | standard.EndpointDescriptor.DIRECTION_OUT,
-            bmAttributes=standard.EndpointDescriptor.TYPE_BULK),
+            bmAttributes=standard.EndpointDescriptor.TYPE_BULK,
+            bInterval=0,
+            wMaxPacketSize=512 if args.highspeed else 64),
         standard.EndpointDescriptor(
             description="CDC data in",
             bEndpointAddress=args.cdc_ep_num_data_in | standard.EndpointDescriptor.DIRECTION_IN,
-            bmAttributes=standard.EndpointDescriptor.TYPE_BULK),
+            bmAttributes=standard.EndpointDescriptor.TYPE_BULK,
+            bInterval=0,
+            wMaxPacketSize=512 if args.highspeed else 64),
     ])
 
 cdc_interfaces = [cdc_comm_interface, cdc_data_interface]
@@ -207,13 +211,13 @@ msc_interfaces = [
                 bEndpointAddress=args.msc_ep_num_in | standard.EndpointDescriptor.DIRECTION_IN,
                 bmAttributes=standard.EndpointDescriptor.TYPE_BULK,
                 bInterval=0,
-                wMaxPacketSize=args.msc_max_packet_size),
+                wMaxPacketSize=512 if args.highspeed else 64),
             standard.EndpointDescriptor(
                 description="MSC out",
                 bEndpointAddress=(args.msc_ep_num_out | standard.EndpointDescriptor.DIRECTION_OUT),
                 bmAttributes=standard.EndpointDescriptor.TYPE_BULK,
                 bInterval=0,
-                wMaxPacketSize=args.msc_max_packet_size)
+                wMaxPacketSize=512 if args.highspeed else 64),
         ]
     )
 ]