Amazon.com: Seagate IronWolf Pro, 20TB NAS Internal HDD –CMR 3.5 Inch SATA 6 Gb/s, 7,200 RPM, 256MB Cache for RAID Network Attached Storage, Rescue Services (ST20000NEZ00/000) : Electronics
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Seagate 20TB One Touch Desktop External Drive STLC20000400 B&H