838b81d6_Computer___Imaging_Consumables__Hard_Disk_Drive
[0] Power Consumption [Solid State Drive] Power consumption is typically 1/2 to 1/3 of that required for a standard Hard Disk Drive. [Hard Disk Drive] 
Extra power is required in order to spin the discs and move the read & write heads.
External SSD | Verbatim Europe - Data Storage, Computer & Imaging Consumables
Hard Disk Drive