| Features |
Free |
Standard |
Ultimate |
| CHAP user authentication |
 |
|
|
| Number of concurrent connections per target |
5
|
Unlimited |
Unlimited |
| Number of Targets can be created |
Unlimited |
Unlimited |
Unlimited |
| Number of connections per initiator-target nexus (Multiple connections feature) |
1 |
Unlimited |
Unlimited |
| iSCSI RAM disk support |
|
|
|
| Standard image disk device support |
|
|
|
| Multi-user mutual CHAP authorization support |
|
|
|
| Virtual CD/DVD-ROM emulator support |
|
|
|
| Virtual CD/DVD-RW burner with auto-loader support |
 |
|
|
| Generic SCSI device (SPTI) support |
|
|
|
| RAID-1 (Mirror) feature |
|
|
|
| Asynchronous Replication over Internet |
|
|
|
| Automatic snapshot replication |
|
|
|
| High-availability (failover) feature |
|
(<2T)
|
|
| COW protection (Virtual Write) |
|
|
|
| Virtual Hard Disk (VHD) support |
|
|
|
Virtual Hard Disk (VHD) snapshot
|
|
|
|
Image File (IMG) snapshot
|
|
|
|
| Volume Shadow Copy Compatible |
|
|
|
| Windows GUI control application |
|
|
|
| IPsec on-the-fly iSCSI network line encryption |
|
|
|
| I/O read and write caching |
|
|
|
| Security disks for each client, each client use own disk which use CHAP password encrypted |
|
|
|
| IP address and mixed authentication mechanism |
|
|
|
| CHAP user management tool |
|
|
|
| Network-bridged(exports an existing partition, disk, CD/DVD-ROM to clients as a virtual iSCSI drive) |
|
|
|
| Remote Burning (via SPTI) |
|
|
|
| Remote Tape Backup (via SPTI) |
|
|
|
| Vendor Specified CDB support (via SPTI) |
|
|
|
| True real-time Continues Data Protection (CDP) |
|
|
|
| Software RAID |
|
|
|
| Distributed iSCSI SAN(Datacenter) |
|
|
|
| CHAP users counts |
Unlimited |
Unlimited |
Unlimited |
| Client side snapshot management |
|
|
|
