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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
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005051358 – Data Domain 4TB 7200 RPM SAS 3.5″ HDD for Data Domain DS60, 60 bay enclosures – Disk Drive Finder