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WD Ultrastar DC HC560 WUH722020ALE6L4 20 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - Walmart.com
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Amazon.com: Seagate IronWolf Pro 20TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services - FFP (ST20000NTZ01) : Electronics
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