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870 EVO SATA 2.5" SSD 4TB Memory & Storage - MZ-77E4T0B/AM | Samsung US
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Amazon.com: WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) (Low Power & Heavy Duty) 3.5" Internal Hard Drive (PC, NAS & CCTV DVR) - w/ 1 Year Warranty : Electronics