ExpressSAS R644 4 External & 4 internal portsl 6Gb/s SAS/SATA RAID Adapter

ExpressSAS R644 4 External & 4 internal portsl 6Gb/s SAS/SATA RAID Adapter

Availability: In stock

4 external and 4 internal ports in a low-profile form factor
x8 PCIe 2.0 host connection
9.6GB/s throughput in full-duplex mode
SAS 2.0, SAS, SATA II, SATA connectivity
Supports RAID Levels 0, 1, 4, 5, 6, 10, 40, 50, 60 and DVRAID™*
Advanced Data Streaming (ADS™) Technology
DriveAssure™ Technology
CacheAssure™ Technology
Data Recovery Mode for additional data protection
Supports up to 256 end devices
Windows®, Linux and Mac® OS X driver support
512MB memory
Easy-to-use GUI-based configuration utility
3 years standard product warranty


*An advanced RAID level for digital video environments
RAID 40, 50, 60 require ATTO Express Power Center software



The ExpressSAS R644 RAID adapter provides 6Gb/s SAS/SATA connectivity to Direct Attached Storage via 4 external and 4 internal ports. With transfer rates of up to 1200MB/s per port, the R644 is well suited for high-bandwidth workflows, such as digital content creation, streaming video and audio, transactional databases, and email and Web servers.
The R644 combines advanced engineering and innovative features to ensure smooth data transfers and consistent performance. Leveraging ATTO's market-tested RAID stack and exclusive latency management features, the R644 helps customers create, share and protect data and digital assets more effectively.