Tag Archives: exfat

Resolving External USB HDD Mount Issues on Synology NAS (exFAT) (1813+ and others)

Resolving External USB HDD Mount Issues on Synology NAS (exFAT) If you’ve recently connected an external USB HDD to your Synology NAS and encountered an error message like “System failed to mount external device [USB Disk 1] partition [1]”, you’re not alone. This issue often arises when the external device is formatted in the exFAT filesystem, which requires additional support on Synology systems. In this post, I’ll guide you through identifying the issue and implementing a simple solution using the

NTFS or exFAT for removable media (SD/SDXC or USB)

UPDATE: my exFAT formatted 128GB SD card has been working wonderfully, I am happy with my choice of file system formats 🙂 exFAT has been mentioned previously on this blog, but for the first time I truly needed to decide: exFAT or NTFS for my new 128GB SD card… In the end, I chose exFAT for both speed and compatibility. My primary OSes are Windows and Android, both of which support read/write of exFAT. Android not so much with NTFS (at least