Buffalo HS-DH4.0TGL-R5 4.0 Tb Terastation Live 4.0 TB TeraStation Live Multimedia Storage Server Four High Speed 7200RPM SATA Hard Drives 750GB 10/100/1000 Gigabit Ethernet Port and Jumbo Frame Capability for Higher Transfer Memeo AutoBackup Software for Windows Included Download Memeo AutoBackup Large Near Silent Fan to Release HDD Heat Effectively and Quietly