diff --git a/mmc_cmds.c b/mmc_cmds.c
index e07ec94..c5eea65 100644
--- a/mmc_cmds.c
+++ b/mmc_cmds.c
@@ -1612,6 +1612,8 @@ int do_read_extcsd(int nargs, char **argv)
 	/* DEVICE_TYPE in A45, CARD_TYPE in A441 */
 	reg = ext_csd[196];
 	printf("Card Type [CARD_TYPE: 0x%02x]\n", reg);
+	if (reg & 0x80) printf(" HS400 Dual Data Rate eMMC @200MHz 1.2VI/O\n");
+	if (reg & 0x40) printf(" HS400 Dual Data Rate eMMC @200MHz 1.8VI/O\n");
 	if (reg & 0x20) printf(" HS200 Single Data Rate eMMC @200MHz 1.2VI/O\n");
 	if (reg & 0x10) printf(" HS200 Single Data Rate eMMC @200MHz 1.8VI/O\n");
 	if (reg & 0x08) printf(" HS Dual Data Rate eMMC @52MHz 1.2VI/O\n");