It features. Key Specifications for Adaptec 2120S (2215100-R/2001700) Interface Type: Ultra320 SCSI LVD. Device Support: Up to 15 SCSI devices. 64MB of onboard cache, supports RAID levels 0, 1, 10, 5, 50, and JBOD, and includes one internal 68-pin HD connector and one external VHDCI connector.
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