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695842-001, Hewlett Packard Enterprise 4TB SAS Hard Drive Disk (HDD) - 7,200 RPM, 3.5-inch form factor, SmartDrive Carier (SC), Midline (MDL), 6Gb per second Transfer Rate (TR) | EET
Seagate FireCuda 4TB 7200 RPM SATA III 6Gb/s 3.5" Internal CMR Hard Drive - Micro Center
HP 4TB Server Hard Drive | 693721-001
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1C1170-268 Seagate SATA 6.0 Gbps 4TB Hard Drive
0F27003 – Data Domain 4TB 7200 RPM SAS 3.5″ HDD for DD6300, DD6800, DD9300 12 bay enclosures – Disk Drive Finder
WD Black 4TB Review (WD4001FAEX) - StorageReview.com
Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : Electronics
Toshiba 4TB N300 7200 rpm SATA III 3.5" Internal NAS
Amazon.com: Seagate Enterprise 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM, 256MB Cache (ST4000NM004C) : Electronics
Toshiba 4TB 3.5" SATA 6Gb/s 7200 RPM 128M Enterprise Hard Drive – MITXPC
Seagate IronWolf Pro 4TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5" Internal HDD ST4000NE001 - Walmart.com