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Western Digital 4TB Ultrastar DC HC310 3.5" SATA HDD Hard Drive 7200 RPM | eBay
Amazon.com: HGST WD Ultrastar HUS726T4TALE6L4 4TB 7200 RPM 512e SATA 6Gb/s 3.5-Inch Internal Hard Disk Drive : Electronics
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Western Digital RE WD4000FYYZ 4TB 7200 RPM 64MB 6Gb/s 3.5" SATA Hard D
118000142 – EMC 4TB 7200 RPM SAS 3.5″ HDD for Unity 300, 400, 500, 600 series 15 bay enclosures – Disk Drive Finder
Seagate Barracuda Pro ST4000DM006 4 TB 3.5" Internal Hard Disk Drive (HDD) SATA III 6.0Gb/s 7200 RPM 128 MB | Fast Server Corp. www.srvfast.com
HP 4TB 7200 rpm SATA III 3.5" Internal SC Midline Hard
TOSHIBA N300 Pro HDWG440XZSTB 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - Walmart.com
0F27003 – Data Domain 4TB 7200 RPM SAS 3.5″ HDD for Data Domain DS60, 60 bay enclosures – Disk Drive Finder
TOSHIBA 4TB 7200 RPM 3.5" Enterprise Hard Drive - Newegg.com
Seagate 4TB IronWolf Pro 7200 rpm SATA III 3.5" ST4000NT001 B&H
P-X-2UC-4TBS – EMC 4TB 7200 RPM SAS 3.5″ HDD for DD6300, DD6800, DD9300 12 bay enclosures – Disk Drive Finder
12X4146 - Netapp 4TB 7200 RPM SAS 3.5" HDD for N3240/ EXN3000/ N3150 | eBay
Amazon.com: HGST Ultrastar 7K6000 4TB 7200 RPM SATA 128MB Cache 3.5" Internal Enterprise Hard Drive - HUS726040ALE610 (0F23005) : Electronics