ExpressSAS R348
Low-Profile 4-Ext./4-Int. or 8-Internal Port SAS/SATA PCIe RAID Adapter

ExpressSAS RAID adapters add high-performance RAID data protection to direct attached SAS and SATA JBOD storage. ExpressSAS RAID adapters include ATTO's field proven hardware-based RAID technology, including DVRAID™ - a specialized RAID for video performance.


Model No.
ESAS-R348-000

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The ATTO ExpressSAS R348 low-profile RAID Adapter provides SAS/SATA connectivity and delivers blazing-fast performance with transfer rates of up to 3Gb/s per port. Featuring integrated RAID support, user selectable port options (4 internal and 4 external or 8 internal) and PCIe bus technology, the ExpressSAS R348 is engineered for the most demanding digital media and IT server applications.

The easy-to-use GUI-based utility enables RAID management, monitoring, and configuration. ATTO also incorporates its exclusive Advanced Data Streaming (ADS™) Technology to meet the most demanding performance requirements. With ADS™ Technology data is moved faster and more efficiently with reduced CPU utilization.
  • User Selectable: 4 external and 4 internal ports or 8 internal ports in a low-profile form factor
  • x8 PCIe host connection
  • 4.8Gb/s throughput in full-duplex mode
  • Highly configurable RAID 0, 1, 4, 5, 6, 10, 40*, 50*, 60*
    *RAID 40, 50, 60 require ATTO Express Power Center software
  • SAS, SATA, SATA II connectivity
  • Advanced Data Streaming (ADS™) Technology
  • Drive Assure™ Technology
  • Support for up to 128 SAS/SATA end devices
  • User friendly GUI-based configuration utility
  • Drivers support for Windows® , Linux, Mac®
  • 256MB Memory
  • 3-year standard product warranty
  • RoHS Compliant
ADS™ Technology - Advanced Data Streaming provides controlled acceleration of data transfers by utilizing a combination of features to move large amounts of data faster and more efficiently, maintaining the highest consistent performance.

View ADS™ Technology Brief

DriveAssure™ Technology - DriveAssure is a specialized drive assessment and latency management feature that prevents premature drive failure notices and drive slowdowns to ensure uninterrupted access to data.

View DriveAssure™ Technology Brief

RoHS Compliant 3 Year Product Warranty SAS
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