Have run SMART reports on schedule, just forgot to include them. Attached.
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List of all 8 serial numbers for convenience: WCC4N7XV1HEH, WCC4N3JER5NP, WCC4N1NL0NNS, WCC4N2YPJDR0, WX21D45C7LUX, WX21D25HEEXV, WX71D65JEA36, WX91D6535EN0...