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Drobo Data Sheet
©2014 Drobo, Inc. All trademarks and registered trademarks are the property of their respective owners. The information contained therein is subject to change 
without notice and is provided “as is” without warranty of any kind. Drobo shall not be liable for technical or editorial errors or omissions contained herein.
Drobo DS-0520
2460 North First Street, San Jose, CA 95131
www.drobo.com • 1.866.997.6268
Specifications
Connectivity
 
– 1 x USB 3.0 port
Hardware Features
 
– Carrier-less drive bays
 
– Power fail protection
 
– Kensington Lock Port for security (lock not included)
Drives and 
Expansion
 
– Up to four (4) 3.5”SATA II/III hard disk drives (sold 
separately).
 
– Drives of any manufacturer, capacity, spindle speed 
and/or cache can be used. No carriers or tools 
required. 
 
– Expandable by adding drives or hot-swapping drives 
with larger ones.
Additional 
Software Features
 
– Drive Spin Down
 
– Dim Lights
 
– OS X Time Machine Support
BeyondRAID 
Features
 
– Thin Provisioning
 
– Instant Expansion
 
– Mixed Drive Size Utilization
 
– Automatic Protection Levels
 
– Single or Dual Disk Redundancy
 
– Virtual Hot Spare
 
– Data Aware
 
– Drive Re-ordering
Warranty
 
– One (1) year warranty in the US or outside the EU or 
two (2) year warranty in the EU
Management
 
– Drive bay indicator lights, capacity gauge, status 
lights
 
– Drobo Dashboard version 2.6 or later
Size and Weight
 
– Desktop Form Factor
 
– Width: 5 in (152.4 mm)
 
– Height: 6.3 in (160 mm)
 
– Depth: 10.7 in (271.8 mm)
 
– Weight: 6 lb 11.3 oz (3 kg) without hard drives, 
power supply or packaging
Operating System 
Support
 
– Mac OS X 10.7 and higher
 
– Windows 8/8.1 32 and 64 bit
 
– Windows 7  32 and 64 bit
Power and Cooling
 
– External Power Supply: 
• 
AC Input – 100-240VAC~2A, 50-60Hz
• 
DC Output – 12V, 4.16A, 50W max
 
– Dual, fixed, variable speed cooling fans
File Systems 
Supported
 
– Mac OS X: HFS+
 
– Windows: NTFS
Box Contents
 
– Drobo 
 
– 6 ft (1.8 m) USB 3.0 cable
 
– 6 ft (1.8 m) power cord with power supply
 
– Quick Start Guide
You can take advantage of even greater capacity as larger hard disk drives become available.
Power Modes
Green
Yellow
Red
Power on, Drobo ready
Standby mode
Over temperature
Cool down & power cycle to restart 
Space Used
Data Transfer
Blue
0% - 100% of capacity used
USB activity
 
Green
“Actions Required” Indicators
Green
No action needed
Add or upsize a drive here soon
Drobo is over 85%
Don’t remove any drives, operate normally
Add or upsize a drive here now
Replace this drive immediately!
System is healthy.
Drobo is optimizing data layout. You can still read and write 
Drobo during optimization.
This hard drive has failed. Depending on capacity, your data 
could be at risk until you replace this failed drive.
Drobo is over 95%
Solid Yellow
Solid Red
Blinking Red
Blinking
 Green 
and
 
Yellow
How to Choose the Right Drive
Drobo gives you the flexibility to use a wide variety of drive types 
and capacities. To find out which drive is right your the Drobo, visit                 
www.drobo.com/products/choose-drive
.
More Information 
Drobo’s innovative technology at 
www.drobo.com/how-it-works
.
Read Drobo BeyondRAID at 
www.drobo.com/how-it-works/beyond-raid
.