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870 EVO SATA 2.5" SSD 4TB Memory & Storage - MZ-77E4T0B/AM | Samsung US
WD 4TB Blue 3D NAND SATA III 2.5" Internal SSD
WD Red™ SA500 NAS SATA SSD 500 GB to 4 TB 2.5”/7mm Cased | Western Digital
Seagate Constellation 4TB 7.2K 6Gb/s 128MB 3.5" SATA Hard Drive ST4000
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Amazon.com: Seagate BarraCuda Mobile Hard Drive 4TB SATA 6Gb/s 128MB Cache 2.5-Inch 15mm (ST4000LM024),Mechanical Hard Disk : Electronics
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Seagate SkyHawk 4TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST4000VX007)