DAS:
Direct attached storage (DAS), in the form of independent drives, RAID arrays is the most common storage architecture today. DAS is organized on disks as blocks of data, connected to a single computer via standard SCSI or Fiber Channel connections. DAS consists of an array of disks, a RAID controller, and an enclosure that provides power and cooling for the controller and disks.


AccuSTOR S2080
SCSI to SATA Disk Array
8* SATA HD trays



AccuRAID S3150
SCSI to IDE Disk Array
3U/ 15 * Ultra ATA-100 HD trays




AccuSTOR S-1230
SCSI–to–SATA Disk Array
2U-12Bays/ Ultra320


AccuSTOR S-1630
Ultra320 SCSI–to–SATA RAID
3U-16Bays

NAS:
Network Attached Storage (NAS) generally refers to storage and data that can be accessed directly from the network. With NAS, hosts or client systems can access (read or write) data and storage via a network interface (Ethernet, FDDI, ATM, etc.) using protocols including NFS and CIFS.


SANGenie 215R
3U/ 15Bays


Z5
Smart Networking Storage Appliance
mini Tower/4 Bays




 
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