ExpressSAS® R644

4 Port External/4 Port Internal 6Gb/s SAS/SATA RAID Adapter

Model No. ESAS-R644-000 ESAS-R644-C00

ATTO ExpressSAS® R644 6Gb/s SAS/SATA RAID Adapters add high-performance RAID protection to direct attached SAS and SATA JBOD storage. Delivering significant advancements in performance and flexibility with enterprise-class features, ExpressSAS® 6Gb/s SAS/SATA RAID adapters provide the industry's largest ECC protected cache memory in an affordable RAID solution for general IT and media and entertainment environments.

Optional CacheAssure module provides users with data protection against power loss while maintaining high performance.

Overview

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 the industry's largest ECC-protected cache memory with 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.

Specifications

  • 4 external and 4 internal ports in a low-profile form factor
  • 8x PCIe 2.0 / PCIe 3.0 compatible 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 50, 60 and DVRAID™, an advanced RAID level for digital video environments
  • Advanced Data Streaming (ADS™) Technology
  • DriveAssure™ Technology
  • CacheAssure™ Technology
  • Adaptive Path Optimization available to provide redundancy in storage connections
  • Data Recovery Mode for additional data protection
  • Supports up to 256 end devices
  • Windows®, Linux and Mac® OS X driver support
  • 1GB ECC protected cache memory
  • Easy-to-use GUI-based configuration utility
  • Thunderbolt-aware driver for Mac OS X 10.6.8 & above and Windows 10, 8.1, 8, & 7
  • 3-year standard product warranty