Lian Li EX-H34SX 4x SAS/SATA Hot Swap Mount Rack - all black

The Lian Li SAS / SATA HDD Hot Swap External Rack Mount Kit allows easy hot swapping of 3.5" internal hard drives from the front of any case with three 5.25" drive bays. The drives are cooled by a 120mm fan with a washable air filter. This kit allows RAID functions 0, 1 and 10.

Features:
SAS / SATA Hot Swap HDD Rack Kit ( Come with aluminum HDD rail handle)
1 x 12 cm ball-bearing cooling Fan(1000RPM), with washable air filter
Use 3 x 5.25" Bay space, Suit for most of the case on the market
Support RAID functions 0 ,1 and 10
Dimensions: 148mm (W) x 128mm (H) x 229mm (D)
The SATA back panel didn’t have any chip or micro processor, It will require motherboard or SATA raid card to enable the hot swap and Raid features.