Server Chassis 4U 20 hard drive bays Hot-Swap for motherboard size up to 12"x13" backplane with optional MiniSAS-8087/8643/SATA interface

Features:

Support MB size up to standard EEB(12‘’ x 13’’ )

20 x 3.5’’(2.5" is also compatible) hot-swap drive bays

Built-in a holder for 2*2.5’’ (or 1*3.5’’) hard drives/system disk in the middle

3 x high-performance removable cooling PWM fans in the middle

7 Full height and full length slots for multipurpose use

Support 2U single PSU/1+1 redundant PSU/ATX PSU

6gb/s backplane supports SAS/SATA/SSD/HDD

Form Factor	4U 19” standard rack-mount
Dimensions	Height: 6.9” (176mm)
	Width: 17” (430mm)
	Depth: 25.6” (650mm)
	Gross Weight: 19 kg
	Packing(W x H x L): 845mm570mm260mm
Drive Bays	20*3.5”/2.5” hot-swap SAS/SATA/HDD/SSD
Additional Drive Bays	Front: Left: 1 * 2.5" non hot-swap/1 * 9mm CD-ROM Right: 2 * 2.5" non hot-swap (can update hot-swap) Middle: 13.5’’ or 22.5’’ non hot-swap holder
Expansion Slots	7*Full height and full length slots
Backplane	5 * 4 ports 6gb/s SATA/HDD/SSD
Backplane(optional)	5 * 1 port 12gb/s MiniSAS8087 /8643
Cables	Power on/off indicator light cables, Fans PMW cables/usb connection cables
PSU Form Factor	2U single PSU/ATX PSU/PC PSU/1+1 redundant PSU
Cooling System	Middle: 3 x 12025(Φ120mm, thickness: 25mm)fans Rear: 2*8025(Φ80mm, thickness: 25mm)fans
Upgradable Cooling System	Front: N/A
	Middle: 3*12038(Φ120mm, thickness: 38mm)fans
	Rear: N/A
Front Panel	Left: Dual USB 3.0 interface（2.0 optional）
	Right: Button: power on/off, Restart
	Right: Led: power status/ HDD activity/ 3 network Activity/ HDD Warming/ Over Heat Warming
Material	1.2mm cold-rolled iron/SGCC