Allocation unit size and maximum file size Tags: Hard Drives File Size NTFS HD Storage Last response: January 25, 2012 11:55 PM in Storage Share Rolci January 25, 2012 8:38:47 PM I've been searching the net in vain. I need a table that shows the maximum size of a file that a HD can hold in NTFS when formatted in different allocation unit sizes. Hope that makes sense. Thanks More about : allocation unit size maximum file size fzabkar a c 271 G Storage January 25, 2012 11:33:11 PM http://technet.microsoft.com/en-us/library/cc750355.asp... "With the NTFS file system, you can have a maximum of 2^32 clusters per file. This is an implementation limitation, not a file size restriction." AIUI, this means that a typical NTFS installation that uses 4KB clusters will have a maximum file size of ... 2^32 x 4KB = 16TB RealBeast a c 311 G Storage January 25, 2012 11:55:12 PM AFAIK it does not depend on allocation unit size. As implemented, the maximum file size in NTFS is just under 16Tb -- 1 cluster under. Take a look HERE. Can't find your answer ? Ask ! Publish Related resources Allocation Unit Size (Formatting 500GB) Forum Best file system and allocation unit size Corsair Flash Voyager 16GB Forum RAID-5: StripeSize and allocation unit size Forum USB drive for flashing BIOS - Allocation unit size ? Forum Change Allocation unit size with RAID 0 stripe 128 or not? Forum Maximum file size in win2k advanced server Forum Cluster ( allocation unit ) size for NTFS in Windows 7 Forum What size should I use for file allocation size 300 gb disk Forum Allocation unit size Forum External Enclosure + Adv Format - power draw & allocation unit size ? Forum Pagefile size and Allocated Memory size - HELP! Forum 4tb hdd is being read as 2tb hdd Forum SSD page file issue (?) Forum File Junctions to an SSD Forum How to write file to dvd-r disk using nec dvd rw nd-6650a drive Forum File Back Up Strategy - Average User. Am I OK? Forum [Solved] SSD RAID 0 Stripe size 16K per Intel suggestions? Forum Building file server with Freenas 8 Forum Used size shown in hdd LESS than total folder size Forum Need guidance on setting up a file server Forum More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !