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Toshiba X300 4TB 7.2K 3.5" SATA Server Hard Drive HDETR11GCA51 - Atlanta Servers
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Toshiba X300 10TB Performance & Gaming Internal Hard Drive 7200 RPM SATA 6Gb/s 256MB Cache 3.5 inch - HDWR11AXZSTA (RETAIL PACKAGE) - Newegg.com
Toshiba 4TB X300 Performance 3.5" CMR Internal Hard HDWR440XZSTA
Amazon.com: Toshiba 4TB N300 NAS 3.5 Inch SATA Internal Hard Drive. 24/7 Operation, Supports 1-8 Bay Systems, 256 MB Cache, 180TB/Year Workload, 3 Year Warranty (HDWG440UZSVA) : Electronics