UGREEN CM335 User manual

Model: CM335
2-Bay 3.5” RAID Hard
Drive Enclosure
This is the manual in English, if DE/IT/ES/FR/JP/RU/CN version of this
user manual is required, please refer to our official website 'www.ugreen.com',
search 'CM335' to get the manual you need.

English 01-10

1
Contents
I Notice of Use
1 Preface
2 Notice
II Product Introduction
1 Package Contents
2 Product Overview
3 LED Indicator
4 Specifications
III Installation Steps
1 Take Out The Tray
2 Hard Drive Installation
2.1 3.5-inch Hard Drive
2.2 2.5-inch Hard Drive
3 Put Drive Tray Back Into the Enclosure
4 Plug the Device Into Power Outlet
IV RAID Mode Setting and Connection
1 RAID Modes & DIP Switch
2 Switch RAID Modes
3 Drive Partitioning and Formatting
4 Replace the Broken Drive
V Notes
02
02
02
03
04
04
05
05
05
06
06
07
07
08
08
10
EN

2
ScrewsScrewdriver
Tip: They're only used for 2.5-inch hard drive installation.
1 × Power Adapter 1×USB-A+C to USB-C Cable 1×User Manual
USER MANUAL
1 Package Contents
1 × 2-Bay 3.5'' RAID Hard Drive Enclosure
II Product Introduction
1 Preface
2 Notice
Thank you for purchasing UGREEN products. For optimum operation, please read this manual carefully before using.
Please back up all your data before using the product.
Formatting needed when switching RAID mode or partitioning drives, please back up your data.
Please safely eject the hard drive from your laptop/PC in case of data loss.
Do not unplug the hard drive when copying data in case of file loss or drive damage.
If there is any loss, corruption of data caused by improper operation or deliberate damage,
the data restoration will not be covered by the warranty. Make sure to back up your important data regularly.
I Notice of Use
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RESET
When changing RAID array
modes, you'll have to use this
button to reset, and then
create a new RAID mode
3
DESIGNED BY UGREEN
NameNO. Icon Description
RAID DIP Switch
For mode setting switch
and 4 kinds of array modes;
with different RAID modes come
different DIP combinations
(See "RAID Modes & DIP Switch"
for details)
USB-C Data transfer port for connecting
to PCs/laptops
④
③
⑥
Power Button Power ON/OFF
⑦
1
2
1
2
2 Product Overview
NameNO. Icon Description
DISK Indicator
(×2)
ERROR Indicator
(×2)
Indicates status of
each hard drive
Indicates the abnormality
of each hard drive
②
①
②
①
DC Power Supply Please use the standard power
adapter to power up the product
⑤
3
5
6
7
4

4
4 Specifications
USB-C
(7+15)Pin SATA×2
USB 3.0 supports theoretical transfer rate of up to 5Gbps
PM/RAID 0/RAID 1/SPAN
2.5/3.5-inch SATA interface HDD or SSD
SATA protocol
UASP
(PC+ABS)+metallic UV
Input
Output
USB Port
Supported RAID Modes
Supported Drive Type
Supported Drive Protocol
Transfer Protocol
Outer Shell
Compatible Systems Windows/macOS/Linux
Dimension L214×W135×H144(mm)/L8.4×W5.3×H5.6(in.)
3 LED Indicator
Status ERROR Indicator
No drive access
Drive access (normal)
Drive access (abnormal)
Drive reading and writing
Drive safely ejected
Hibernation
RAID 1 In the process of backup
Backup accomplished
Disk Indicator
Solid white
Solid white
Solid white
White flash
White flash until solid white
Solid white
White breathing
Solid white
Solid red
Light off
Solid red
Light off
Light off
Light off
Light off
Solid red

5
2.1 3.5-inch Hard Drive
2 Hard Drive Installation
Pins of the hard drive face down.
12
Remove the fixing plates, then put the hard drive on the drive tray. Install back the fixing plates and be careful of their direction.
Squeeze the tray handle
then pull the tray out.
1 Take Out The Tray
Pins
Fixing Plate
Fixing Plate
III Installation Steps

3 Put Drive Tray Back Into the Enclosure
Pins
2.2 2.5-inch Hard Drive
12
3
Pins of the hard drive face down.
Put the 2.5-inch hard drive on the drive tray.
Flip the tray over and make sure that the four holes of hard drive align with
those of the tray, then screw the hard drive firmly.
As the following picture, remove one of the plates first.
Put the drive tray back into the enclosure,
then slowly push it to the SATA port.
Do not unplug the hard drive when the device is powered on, please follow the steps below:
① Safely eject the hard drive from your PC/laptop
② Turn the device off and take out the hard drive.
Warning
6

4 Plug The Device Into Power Outlet
DESIGNED BY UGREEN
1. Connect the enclosure to your PC / laptop via the provided cable, then connect to the power adapter.
2. Power on the device, the power indicator turns solid white.
Non-standard or non-certified adapters are not allowed in case of the potential risks.
Warning
Supplied Accessory
Supplied Accessory
7
1 RAID Modes & DIP Switch
DIP
Switch
DIP Switch Status
1 2 Description
Min. Drive
Number
Available
Capacity
RAID
Modes
Fastest read and write mode, largest capacity but low security.
When one of the hard drives fails, all of the data cannot be restored.
ON OFF 2 Total hard drive
capacities
RAID 0
(Fast Mode)
High security, acceptable read and write with small capacity.
When one hard drive fails, other drives work normally; then you'll
have to replace the broken drive (greater than or equal to the
capacity of the original capacity), all of your lost data will be
recovered automatically.
OFF ON 2 Min. hard drive
capacity
RAID 1
(Safe Mode)
Largest available capacity, average read and write speed, and
low security.
All hard drives form a big drive, when one of them fails, all of your
data will be unrecoverable.
ON ON Total hard drive
capacities
2
SPAN
Default factory setting mode, all disks work separately.
When one disk fails, all the others will not be affected.
OFF OFF Total hard drive
capacities
1PM
IV RAID Mode Setting and Connection

8
Switching for the first time
Ugreen SPAN SCSI Disk Device
Device Manager
1. Select an array mode based on "RAID Modes & DIP Switch", and adjust the DIP switch "1/2" respectively.
2. Press and Hold "RESET" for 10 seconds then release the button. The mode change succeeds if the drive indicator flashes white.
3. Go to "This PC"> "Manage" > "Computer management" > "Device manager", then check the current RAID mode.
3 Drive Partitioning and Formatting
Windows
Online drive and drive partitioning after switching RAID mode. The formatting may differ depending on the different operating system,
please check your operating system for reference.
Online drive: connect the hard drive to PC/laptop . Go to "This PC" > "Manage" > "Storage" > "Disk Management" and select the correct hard
drive to "Initialize Disk".
Warning
It is recommended that you use a brand new hard drive of the same capacity.
If you use an old hard drive, please format it before switching the RAID mode, and back up all of your important data.
The default mode of the product is PM mode.
2 Switch RAID Modes
Initialize Disk
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