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Western Digital Gold NAS Hard 2TB 4TB 6TB 8TB Enterprise Hard Drive Network Storage 3.5' 7200RPM SATA3 HDD 6Gb/s|Internal Hard Drives| - AliExpress
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WD Red Pro NAS Hard Drive - 4TB Capacity, Internal, 3.5 Form Factor, SATA 6Gb/s Interface, 7200 RPM, 256MB Buffer Size, 600,000 Load/Unload Cycles - WD4003FFBX at TigerDirect.com
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Synology DiskStation DS220j NAS server 8 TB 2 Bay built-in 2x 4TB HDD (recertified) DS220J-8TB-FR | Conrad.com
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Seagate 2 Pack IronWolf NAS 4TB 3.5" Internal Hard Drive, 5900 RPM, SATA 6Gbps, 64MB Cache, 180Mbps Data Transfer Rate - Walmart.com
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Toshiba N300 4TB NAS Internal Hard Drive 7200 RPM SATA 6Gb/s 128 MB Cache 3.5inch - HDWQ140XZSTA - Walmart.com
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WD Red Plus 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD40EFRX - Newegg.com
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