WD Gold 20TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 512MB Cache 3.5 Inch - WD201KRYZ - Newegg.com
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Amazon.com: WP Expanse 20TB 7200 RPM 512e SATA Gen3 3.5-inch HDD | ECC PLP CMR | Enterprise Data Center SAN Hard Disk Drive - WESA5SLC0200D (Renewed) : Electronics
Western Digital debuts 18TB and 20TB near-MAMR disk drives – Blocks and Files