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RAID 0/1/4/5/6/10/40/50/60 JBOD DVRAID, *RAID 40, 50, 60 require ATTO Express Power Center software
1 x SFF-8087 mini-SAS Internal Connectors
1 x SFF-8088 mini-SAS External Connectors
Up to 6Gb/
Warranty & Returns
The ExpressSAS R644 SAS/SATA RAID adapter provides high-performance parity RAID protection to direct attached SAS and SATA JBOD storage. With transfer rates of up to 600MB/s per port, the R644 leverages ATTO's field-proven hardware-based RAID technology to deliver uninterrupted access to data.
Learn more about the ATTO Technology ESAS-R644-000
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