What's the maximum file size Synology Product supports (for DSM 3.0 and onward)?
The EXT4 format which is used on the internal hard drive inside Synology Product with DSM 3.0 and onward supports up to 16TB for a single file. For more details about EXT4 format, please refer to http://en.wikipedia.org/wiki/Ext4.
Besides EXT4, external hard drives connecting to Synology Product can also be formatted in FAT32. FAT32 supports up to 4GB for a single file. For more details about FAT32 format, please refer to http://en.wikipedia.org/wiki/FAT32.