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Amazon.com: Dell Storage Controller (RAID) - 8 Channel - SATA 6Gb/s/SAS 12Gb/s - 12 Gbit/s - RAID 0, 1, 5, 6, 10, 50, 60 - PCIe 3.1 x8 - for PowerEdge R440, R540, R640, R740, R740xd, R940, T440, T640 : Electronics
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GP6RN | Dell PERC H740P 8GB SAS Mini RAID Controller for PowerEdge R440 R540 R640 R740 R940 (Open Boxed) - Nexthdd.com
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