# Max Recording Time: Qu-Drive Multitrack **URL:** \ **Category:** Qu General Discussions\ **Created:** [6 October 2017 13:01 UTC](https://forums.allen-heath.com/t/max-recording-time-qu-drive-multitrack/6219 "2017-10-06T13:01:04Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![gravyface](https://avatars.discourse-cdn.com/v4/letter/g/eb8c5e/32.png) [@gravyface](https://forums.allen-heath.com/u/gravyface)\ **Post date:** [6 October 2017 13:01 UTC](https://forums.allen-heath.com/t/max-recording-time-qu-drive-multitrack/6219/1 "2017-10-06T13:01:04Z")
Manual says: 18 Tracks = Individually patchable sources - Record format = 48kHz, 24-bit, WAV file - Data rate = 144 KB/sec per track (max 4GB total) 4GB total per track? Trying to get an idea on max recording time with multitrack (18 tracks). By my mathemagician skills, I calculated 506.25 MB per hour, per track, so we’re in the neighbourhood of 8 hours if that limit is per track. ---
**Author:** ![NicB](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.allen-heath.com/nicb/32/4389_2.png) [@NicB](https://forums.allen-heath.com/u/NicB)\ **Post date:** [6 October 2017 13:51 UTC](https://forums.allen-heath.com/t/max-recording-time-qu-drive-multitrack/6219/2 "2017-10-06T13:51:02Z")
> The maximum file size on FAT32 is 4 GB. Qu-Drive audio data rate per track is 8.24 MB / minute (144 KB / second). This would allow a maximum recording time of roughly 8 hours. For 18 tracks you would need 72 GB drive capacity for the maximum recording time. [https://support.allen-heath.com/Knowledgebase/Article/View/774/0/understanding-qu-drive-and-usb-devices](https://support.allen-heath.com/Knowledgebase/Article/View/774/0/understanding-qu-drive-and-usb-devices)