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Western Digital 20TB WD My Book Duo Two-Bay External Drive - External, USB 3.0, Type-C RAID Array, 2x 10TB, 2x 3.5 SATA, Supports RAID 0, 1, and JBOD - WDBFBE0200JBK-NESN at TigerDirect.com
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Amazon.com: WD 20TB My Book Duo Desktop RAID External Hard Drive, USB 3.1 - WDBFBE0200JBK-NESN & 1TB My Passport Portable External Hard Drive with backup software and password protection, Black-WDBYVG0010BBK-WESN : Electronics
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