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 |
 |
 |
 |