FileSystem

UFS Card File System Recommendation
N

UFSA recommends the Microsoft exFAT file system as the UFS Card file system standard.

 

exFAT

UFS Card Manufacturer (Royalty free)

Yes

UFS Card host Vendor (Royalty Free)

Contact Microsoft

Maximum file size

16 EB

Maximum volume size

128 PB

Guideline for Device Vendor
N

UFS card should be formatted using the exFAT formatter from Microsoft.

Guideline for UFS Card End User
N

Since most host systems provide a built-in formatter for file systems supported by the host system, the end-user may use the built-in formatter when the UFS Card is initially inserted and used.

Guideline for Host vendor (e.g. Smartphone, Drone, VR, AR, DSLR, …)

N
exFAT natively supports large file sizes over 4GB
N
exFAT natively supports interoperability with Windows PC’s and Macs, gaming consoles and many Android smartphones.
N
Open source or several third party implementations are available for exFAT.
N

More information on exFAT, including licensing and partners, can be found at: