IBM ServeRAID

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Two external VHDCI connectors
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Two internal 68-pin industry-standard SCSI connectors
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Battery integrated into a daughter card lengthwise along card, near handle
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Heat sink on central chip and smaller chip near PCI connector
ServeRAID-4H
(part 37L6889, 2000)
US Announcement Letter: 100-099
Visual identifiers:
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Four external VHDCI connectors
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Two internal 68-pin industry-standard SCSI connectors
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Large daughter card with battery attached to the main board
ServeRAID-5i
(part 25P3492, 2002)
US Announcement Letter: 102-170
Visual identifiers:
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No internal or external SCSI connectors (uses the server's onboard SCSI)