Amazon.com: SEAGATE Video HDD ST4000VM000 4TB 5900RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal Hard Drive (Certified Refurbished)- w/1 Year Warranty : Electronics
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ST4000VM000, S30, SU, PN 1F3168-300, FW SC25, Seagate 4TB SATA 3.5 Hard Drive
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Amazon.com: SEAGATE Video HDD ST4000VM000 4TB 5900RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal Hard Drive (Certified Refurbished)- w/1 Year Warranty : Electronics