StarTech.com 4 Bay USB 3.0 to SATA Hard Drive Docking Station for 2.5/3.5 HDD Hard drive dock with access to up to 4 SATA drives simultaneously over a single USB 2.0/3.0 connection, means massive amounts of data can conveniently be utilized Hard drive docking station with independent power buttons and eject mechanism for each SATA hard drive (HDD/SSD) enable quick and easy hot-swapping capability HDD dock with dual, variable speed fans allows you to adjust the amount of cooling for any kind of environment or drives SATA hard drive dock accepts up to 4 SATA hard drives simultaneously, in a single docking station 4 bay HDD dock with independent power buttons for each hard drive External docking station with dual 60mm cooling fans mounted below the drives with variable speed controls (including OFF) Quad bay drive dock supports both 2.5" and 3.5" form factor hard drives (HDD) and solid state drives (SSD) USB SATA dock with SuperSpeed USB 3.0 compliant host interface which supports transfer rates up to 5 Gbps With access to up to 4 SATA drives simultaneously over a single USB 2.0/3.0 connection, massive amounts of data can conveniently be utilized Independent power buttons and eject mechanism for each SATA hard drive enable quick and easy hot-swapping capability Dual, variable speed fans allows you to adjust the amount of cooling for any kind of environment or drives Accepts up to 4 SATA hard drives simultaneously, in a single docking station Independent power buttons for each hard drive Dual 60mm cooling fans mounted below the drives with variable speed controls (including OFF) Supports both 2.5" and 3.5" form factor hard drives (HDD) and solid state drives (SSD) SuperSpeed USB 3.0 compliant host interface which supports transfer rates up to 5 Gbps