# Maximum capacities

Limit Value
File size - using PeSIT protocol Depends on records (see Note below)
Number of parallel transfers 1000
 Note When using PeSIT protocol, Transfer CFT has is a protocol limit relative to the number of records, which is expressed as 4-bytes. This means that the maximum number of records supported by the PeSIT protocol is 232 records. For very large file transfers, you can use binary mode and configure the record length accordingly. The following table demonstrates the file size limit according to the record length.
Record length Maximum number of records Maximum file size (Bytes) Maximum file size (TB)
1024 4294967296 04.40E+12 4.40

2048

4294967296

08.80E+12 8.80

4096

4294967296

17.59E+12 17.59

8192

4294967296 35.18E+12 35.18

16438

4294967296

70.60E+12 70.60

32750

4294967296 01.41E+14 141.00