Amazon | WD Red 4TB NAS Hard Drive: 1 to 8-bay RAID Hard Drive: 3.5-inch SATA 6 Gb/s, IntelliPower, 64MB Cache WD40EFRX by Western Digital [並行輸入品] | ウエスタンデジタル(Western Digital) | 内蔵ハードディスク 通販
Amazon.com: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics