FEATURES: Air resistance system
2 charging requires product connected with power supply
made from heavy duty steel
A 1000 Mbps Ethernet port provides a faster and more stable connection to a wired network
Western digital WD RED Int 4TB SATA HDD WD40EFPX Massage Tables & Chairs FEATURES: Air resistance systemNo other drive is designed specifically for home and small office NAS systems. Our exclusive technology, NASware, makes WD Red thrive in the demanding small NAS environment. ( Please Check Device Compatibility) Recording Technology CMR Synology Compatible Models DS1821+, DS1621+, DVA3221, DS1520+, DS920+, DS720+, DS420+, DS420j, DS220+, DS220j, DS120j. Capacity 4TB Form Factor 3. 5" Rotation Speed 5400 SATA 6Gb s 3 Year Warranty Note: We don't use