diff --git a/arm9/source/driveMenu.cpp b/arm9/source/driveMenu.cpp
index 698162d..589fc28 100644
--- a/arm9/source/driveMenu.cpp
+++ b/arm9/source/driveMenu.cpp
@@ -170,19 +170,17 @@ void dm_drawBottomScreen(void) {
 		if (sdLabel[0] != '\0') {
 			iprintf (" (%s)", sdLabel);
 		}
-		printf ("\n(SD FAT)");
-		//printf ("\n(SD FAT, ");
-		//printBytes(sdSize);
-		//printf(")");
+		printf ("\n(SD FAT, ");
+		printDriveBytes(sdSize);
+		printf(")");
 	} else if (dmAssignedOp[dmCursorPosition] == 1) {
 		printf ("[fat:] FLASHCART");
 		if (fatLabel[0] != '\0') {
 			iprintf (" (%s)", fatLabel);
 		}
-		printf ("\n(Slot-1 SD FAT)");
-		//printf ("\n(Slot-1 SD FAT, ");
-		//printBytes(fatSize);
-		//printf(")");
+		printf ("\n(Slot-1 SD FAT, ");
+		printDriveBytes(fatSize);
+		printf(")");
 	} else if (dmAssignedOp[dmCursorPosition] == 2) {
 		printf ("GBA GAMECART\n");
 		printf ("(GBA Game)");
@@ -194,10 +192,10 @@ void dm_drawBottomScreen(void) {
 		printf ("(NDS Game)");
 	} else if (dmAssignedOp[dmCursorPosition] == 5) {
 		printf ("[ram1:] RAMDRIVE\n");
-		printf ("(RAMdrive FAT)");
+		printf ("(RAMdrive FAT, 9 MB)");
 	} else if (dmAssignedOp[dmCursorPosition] == 6) {
 		printf ("[ram2:] RAMDRIVE\n");
-		printf ("(RAMdrive FAT)");
+		printf ("(RAMdrive FAT, 16 MB)");
 	}
 }
 
diff --git a/arm9/source/driveOperations.cpp b/arm9/source/driveOperations.cpp
index 5bedb10..7a67155 100644
--- a/arm9/source/driveOperations.cpp
+++ b/arm9/source/driveOperations.cpp
@@ -31,8 +31,45 @@ int nitroCurrentDrive = 0;
 char sdLabel[12];
 char fatLabel[12];
 
-int sdSize = 0;
-int fatSize = 0;
+u64 sdSize = 0;
+u64 fatSize = 0;
+
+static int getGbNumber(u64 bytes) {
+	int gbNumber = 0;
+	for (u64 i = 0; i <= bytes; i += 0x40000000) {
+		gbNumber++;
+	}
+	return gbNumber;
+}
+
+static int getTbNumber(u64 bytes) {
+	int tbNumber = 0;
+	for (u64 i = 0; i <= bytes; i += 0x10000000000) {
+		tbNumber++;
+	}
+	return tbNumber;
+}
+
+void printDriveBytes(u64 bytes)
+{
+	if (bytes == 1)
+		iprintf("%d Byte", (int)bytes);
+
+	else if (bytes >= 0 && bytes < 1024)
+		iprintf("%d Bytes", (int)bytes);
+
+	else if (bytes >= 1024 && bytes < (1024 * 1024))
+		printf("%d KB", (int)bytes / 1024);
+
+	else if (bytes >= (1024 * 1024) && bytes < (1024 * 1024 * 1024))
+		printf("%d MB", (int)bytes / 1024 / 1024);
+
+	else if (bytes >= 0x40000000 && bytes < 0x10000000000)
+		printf("%d GB", getGbNumber(bytes));
+
+	else
+		printf("%d TB", getTbNumber(bytes));
+}
 
 const char* getDrivePath(void) {
 	switch (currentDrive) {
@@ -45,6 +82,7 @@ const char* getDrivePath(void) {
 		case 3:
 			return "ram2:/";
 	}
+	return "";
 }
 
 void fixLabel(bool fat) {
@@ -99,10 +137,10 @@ TWL_CODE bool sdMount(void) {
 		sdMountedDone = true;
 		fatGetVolumeLabel("sd", sdLabel);
 		fixLabel(false);
-		/*struct statvfs st;
+		struct statvfs st;
 		if (statvfs("sd:/", &st) == 0) {
 			sdSize = st.f_bsize * st.f_blocks;
-		}*/
+		}
 		return true;
 	}
 	return false;
@@ -238,10 +276,10 @@ TWL_CODE bool twl_flashcardMount(void) {
 		if (flashcardFound()) {
 			fatGetVolumeLabel("fat", fatLabel);
 			fixLabel(true);
-			/*struct statvfs st;
+			struct statvfs st;
 			if (statvfs("fat:/", &st) == 0) {
 				fatSize = st.f_bsize * st.f_blocks;
-			}*/
+			}
 			return true;
 		}
 	}
@@ -254,10 +292,10 @@ bool flashcardMount(void) {
 		if (flashcardFound()) {
 			fatGetVolumeLabel("fat", fatLabel);
 			fixLabel(true);
-			/*struct statvfs st;
+			struct statvfs st;
 			if (statvfs("fat:/", &st) == 0) {
 				fatSize = st.f_bsize * st.f_blocks;
-			}*/
+			}
 			return true;
 		}
 		return false;
diff --git a/arm9/source/driveOperations.h b/arm9/source/driveOperations.h
index 1dd8a42..e92e609 100644
--- a/arm9/source/driveOperations.h
+++ b/arm9/source/driveOperations.h
@@ -16,8 +16,9 @@ extern int nitroCurrentDrive;
 extern char sdLabel[12];
 extern char fatLabel[12];
 
-extern int sdSize;
-extern int fatSize;
+extern u64 sdSize;
+extern u64 fatSize;
+extern void printDriveBytes(u64 bytes);
 
 extern const char* getDrivePath(void);
 
diff --git a/arm9/source/fileOperations.cpp b/arm9/source/fileOperations.cpp
index fa0ea3a..fc9e45a 100644
--- a/arm9/source/fileOperations.cpp
+++ b/arm9/source/fileOperations.cpp
@@ -25,6 +25,24 @@ int clipboardDrive = false;	// 0 == SD card, 1 == Flashcard, 2 == RAMdrive 1, 3
 bool clipboardInNitro = false;
 
 void printBytes(int bytes)
+{
+	if (bytes == 1)
+		iprintf("%d Byte", bytes);
+
+	else if (bytes < 1024)
+		iprintf("%d Bytes", bytes);
+
+	else if (bytes < (1024 * 1024))
+		printf("%d KB", bytes / 1024);
+
+	else if (bytes < (1024 * 1024 * 1024))
+		printf("%d MB", bytes / 1024 / 1024);
+
+	else
+		printf("%d GB", bytes / 1024 / 1024 / 1024);
+}
+
+void printBytesAlign(int bytes)
 {
 	if (bytes == 1)
 		iprintf("%4d Byte", bytes);
@@ -32,10 +50,10 @@ void printBytes(int bytes)
 	else if (bytes < 1024)
 		iprintf("%3d Bytes", bytes);
 
-	else if (bytes < 1024 * 1024)
+	else if (bytes < (1024 * 1024))
 		printf("%6d KB", bytes / 1024);
 
-	else if (bytes < 1024 * 1024 * 1024)
+	else if (bytes < (1024 * 1024 * 1024))
 		printf("%6d MB", bytes / 1024 / 1024);
 
 	else
diff --git a/arm9/source/fileOperations.h b/arm9/source/fileOperations.h
index 4d4c370..63d9055 100644
--- a/arm9/source/fileOperations.h
+++ b/arm9/source/fileOperations.h
@@ -14,6 +14,7 @@ extern int clipboardDrive;	// 0 == SD card, 1 == Flashcard, 2 == RAMdrive 1, 3 =
 extern bool clipboardInNitro;
 
 extern void printBytes(int bytes);
+extern void printBytesAlign(int bytes);
 
 extern off_t getFileSize(const char *fileName);
 extern int fcopy(const char *sourcePath, const char *destinationPath);
diff --git a/arm9/source/file_browse.cpp b/arm9/source/file_browse.cpp
index 9b50332..ab0d484 100644
--- a/arm9/source/file_browse.cpp
+++ b/arm9/source/file_browse.cpp
@@ -181,7 +181,7 @@ void showDirectoryContents (const vector<DirEntry>& dirContents, int fileOffset,
 			printf ("(dir)");
 		} else {
 			printf ("\x1b[%d;23H", i + ENTRIES_START_ROW);
-			printBytes((int)entry->size);
+			printBytesAlign((int)entry->size);
 		}
 	}
 
diff --git a/arm9/source/file_browse.h b/arm9/source/file_browse.h
index f8bd661..f189950 100644
--- a/arm9/source/file_browse.h
+++ b/arm9/source/file_browse.h
@@ -29,7 +29,7 @@ using namespace std;
 
 struct DirEntry {
 	string name;
-	off_t size;
+	size_t size;
 	bool isDirectory;
 	bool isApp;
 } ;