| Filesystem | Default Allocation Unit | Supported Range | Max/Min File Size | HDD Boot | SSD Boot | SD Boot | MicroSD Boot |
|---|---|---|---|---|---|---|---|
| Btrfs | Default: 4 KB | 4 KB - 64 KB metadata; data extents variable |
Min: 0 bytes Practical max: 16 EB (Linux limit) Theoretical max: 16 EB |
Yes | Yes | Yes (with bootloader) | Yes (with bootloader) |
| CP/M | Default: 1-2 KB | 1 KB - 16 KB |
Min: 0 bytes Practical max: ~8 MB (varies by CP/M version) Theoretical max: ~8 MB |
No | No | No | No |
| exFAT | Default: 128 KB (Windows) | 4 KB - 32 MB |
Min: 0 bytes Practical max: 128 PB Theoretical max: 16 EB |
Yes (UEFI) | Yes (UEFI) | Yes | Yes |
| ext2 | Default: 4 KB | 1 KB - 4 KB |
Min: 0 bytes Practical max: 2 TB Theoretical max: 32 TB |
Yes | Yes | Yes | Yes |
| ext3 | Default: 4 KB | 1 KB - 4 KB |
Min: 0 bytes Practical max: 2 TB Theoretical max: 32 TB |
Yes | Yes | Yes | Yes |
| ext4 | Default: 4 KB | 1 KB - 64 KB |
Min: 0 bytes Practical max: 16 TB (4 KB blocks) Theoretical max: 1 EB (64 KB blocks) |
Yes | Yes | Yes | Yes |
| F2FS | Default: 4 KB | 4 KB - 16 KB |
Min: 0 bytes Practical max: 3.9 TB Theoretical max: 3.9 TB |
Yes (with bootloader) | Yes (with bootloader) | Yes | Yes |
| FAT16 | Default: 4-8 KB | 2 KB - 64 KB |
Min: 0 bytes Practical max: 2 GB Theoretical max: 4 GB |
Yes | Yes | Yes | Yes |
| FAT32 | Default: 4 KB | 512 B - 32 KB |
Min: 0 bytes Practical max: 4 GB - 1 byte Theoretical max: 4 GB - 1 byte |
Yes | Yes | Yes | Yes |
| HFS | Default: 4 KB | 512 B - 4 KB |
Min: 0 bytes Practical max: 2 GB Theoretical max: 2 GB |
No | No | No | No |
| HFS+ | Default: 4 KB | 512 B - 32 KB |
Min: 0 bytes Practical max: 8 EB Theoretical max: 8 EB |
No | No | No | No |
| JFS | Default: 4 KB | 512 B - 4 KB |
Min: 0 bytes Practical max: 4 PB Theoretical max: 4 PB |
Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) |
| Linux-swap | N/A | N/A |
Min: N/A Practical max: N/A Theoretical max: N/A |
No | No | No | No |
| LUKS | N/A | N/A |
Min: N/A Practical max: N/A Theoretical max: N/A |
No | No | No | No |
| LVM2 PV | N/A | N/A |
Min: N/A Practical max: N/A Theoretical max: N/A |
No | No | No | No |
| MINIX | Default: 1 KB | 1 KB - 4 KB |
Min: 0 bytes Practical max: 64 MB (v1), 1 GB (v2), 16 GB (v3) Theoretical max: same as practical |
Yes (legacy BIOS) | Yes (legacy BIOS) | No | No |
| NILFS2 | Default: 4 KB | 4 KB - 64 KB |
Min: 0 bytes Practical max: 8 EB Theoretical max: 8 EB |
Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) |
| NTFS | Default: 4 KB | 512 B - 64 KB |
Min: 0 bytes Practical max: 16 TB (Windows) Theoretical max: 16 EB |
Yes (UEFI) | Yes (UEFI) | Yes (UEFI) | Yes (UEFI) |
| Reiser4 | Default: 4 KB | 4 KB - 64 KB |
Min: 0 bytes Practical max: 16 TB Theoretical max: 16 TB |
Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) |
| ReiserFS | Default: 4 KB | 4 KB - 32 KB |
Min: 0 bytes Practical max: 8 TB Theoretical max: 16 TB |
Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) |
| SFS (Amiga) | Default: 4 KB | 512 B - 32 KB |
Min: 0 bytes Practical max: 4 GB Theoretical max: 4 GB |
No | No | No | No |
| UDF | Default: 2 KB | 512 B - 2 MB |
Min: 0 bytes Practical max: 1 TB (rev 1.02), 16 TB (rev 2.01+), 128 TB (rev 2.60) Theoretical max: 128 TB |
Yes (with bootloader) | Yes (with bootloader) | Yes | Yes |
| XFS | Default: 4 KB | 512 B - 64 KB |
Min: 0 bytes Practical max: 8 EB Theoretical max: 8 EB |
Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) | Yes (with bootloader) |