ATTO Technology ExpressSAS R644 with Cache Assure Technology RAID Adapter
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ATTO Technology ExpressSAS R644 with Cache Assure Technology 4 Port External/4 Port Internal 6GB/s SAS/SATA RAID Adapter

SKU: AYESASR644C0
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Questions & Answers

FAQ

What is the data transfer rate of the ExpressSAS R644 RAID adapter?

The ExpressSAS R644 RAID adapter offers a high-speed data transfer rate of up to 1200MB/s per port.

What is the Cache Assure Technology in the ExpressSAS R644 RAID adapter?

The Cache Assure Technology in the ExpressSAS R644 RAID adapter is a feature that ensures data integrity by writing data simultaneously to the cache and the disk. This helps to reduce the risk of data loss and improve system performance.

What RAID levels does the ExpressSAS R644 RAID adapter support?

The ExpressSAS R644 RAID adapter supports RAID 0, 1, 5, 6, 10, and 50, offering a versatile range of storage solutions.

What applications is the ExpressSAS R644 RAID adapter suitable for?

The ExpressSAS R644 RAID adapter is ideal for a wide range of data-intensive applications, including digital content creation, streaming high-definition video and audio, managing transactional databases, and running email and web servers.

What is the purpose of ATTO's exclusive latency management in the ExpressSAS R644 RAID adapter?

ATTO's exclusive latency management feature in the ExpressSAS R644 RAID adapter is designed to optimize performance by ensuring consistent data transfer rates and minimizing downtime.

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ATTO Technology ExpressSAS R644 Specifications

  • SAS/SATA Ports

    8

  • Port Config. (Ext/Int)

    4/4

  • Max. Data Rate

    6GB/s

  • Max. Transfer Rate

    4800MB/s

  • Bus Type

    PCIe 2.0 x8

  • Auto Negotiation

    SAS 2.0, SAS, SATA II, SATA

  • Connector Type

    (1) mini SAS (x4) SFF 8088 External(1) mini SAS (x4)SFF 8087 Internal

  • Max. Cable Length (SAS/SATA)

    32' (10m)/3.2' (1m)

  • Low-Profile Form Factor

    Yes

  • End Devices Supported

    256

  • Memory (ECC)

    512MB

About ATTO Technology ExpressSAS R644

The ATTO Technology ExpressSAS R644 With Cache Assure Technology RAID adapter provides the most flexible and robust 6GB/s SAS/SATA connectivity to Direct Attached Storage via 8 internal ports. With transfer rates of up to 1200MB/s per port, the R644 With Cache Assure Technology 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.

ATTO Technology ExpressSAS R644 Features

  • 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, an advanced RAID level for digital video environments
  • RAID 40, 50, 60 require ATTO Express Power Center software
  • Advanced Data Streaming (ADS) Technology
  • Cache Assure Technology
  • Drive Assure 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
  • Thunderbolt-aware driver for Mac OS X 10.6.8 & above and Windows 7 & 8

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Key Features

  • 4 external & 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 & DVRAID, an advanced RAID level for digital video environments
  • RAID 40, 50, 60 require ATTO Express Power Center software