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Drobo 4 Bay Gen 3 - USB 3

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Category: Computers-&-Solutions-Drives-&-Storage-Hard-Drive-Arrays, Drobo

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The Drobo 4 Bay Gen 3 Includes:


Drobo 4 Bay

1.8m USB 3 cable

Power Cord with Power Supply

Quick Start Guide

The Drobo is the latest generation of the award-winning platform that started it all. It holds true to the unique design and simplicity that has made Drobo the best desktop storage solution for storing and protecting all your data. No storage expertise is required to ensure your data is always safe and protected.

Inside every Drobo is the revolutionary BeyondRAID storage technology that protects data against a hard disk crash, yet is simple enough for anyone to use. As long as you have more than a single disk in Drobo, all data on Drobo is safe no matter which hard disk fails. There’s no need to worry about anything else.

Leave Your Limitations Behind…Go BeyondRAID®

Drobo Family

Built on our award-winning BeyondRAID technology, the Drobo protects your data without any intervention – even in the event of multiple drive failures. You can even switch from single to dual disk redundancy with a single click, ensuring enterprise-level dual parity data protection when required. Drobo’s with BeyondRAID are also self-healing and have virtual hot-spares. If a drive happens to fail, Drobo will automatically re-layout the data to return to a protected state without disruption.

Drobo takes the up front guess work out of determining the amount of capacity you require. Buy the capacity you need today, and when you need more storage, simply replace your smallest drive with a larger one and immediately use that capacity in seconds. You can even mix and match drive brands, capacities and speeds.

To further enhance your experience, every Drobo comes with Smart Volume technology. Smart Volumes™ are thinly provisioned volumes that automatically utilise capacity as needed from a common pool of storage. Additionally, as data is deleted, free capacity is returned to that common pool, immediately increasing the available capacity.

BeyondRAID along with Smart Volumes deliver next-generation storage technology by bringing together enhanced data protection, reliability, expandability, and ease-of-use.

Enhanced Backup for Time Machine

Time Machine and Drobo: A Perfect Pairing

Apple’s Time Machine was designed to make backing up your files simple and painless. Pairing Time Machine with Drobo improves your data protection by ensuring your data is safe in the event of hard drive failure.

Control How Much Storage Time Machine Uses

Apple’s guidelines are to set the storage space for Time Machine at twice the size of the Mac’s hard drive that is to be protected. Time Machine users know that it will gradually use all available disk space without an easy way to stop this from happening. With Drobo you can easily control the maximum storage space available for Time Machine backups through Drobo Dashboard. When you install a Drobo, Drobo Dashboard prompts to see if you want to create a dedicated storage volume for Time Machine’s use, allowing you to set the size of this volume.

Upgrading With the Remarkable Drobo

Once you experience how easy it is to use a Drobo you’ll know there is nothing that compares – but that isn’t the only remarkable thing about it.

Drobo takes upgradability to the next level. Not only can you upgrade capacity with no downtime by adding new drives or replacing smaller drives with larger ones, you can seamlessly upgrade to a new Drobo by simply removing the disk pack from your current system, and moving it to a new Drobo. Upgrading not only gives you an instant performance boost, but also delivers all the other benefits of the new Drobo.

Power Protecting Your Critical Data

Power saveDrobo doesn’t just protect you from a drive failure, but also from potential data loss after a power outage. In every Drobo we include battery backup technology that protects all data in memory or cache. When power spontaneously goes away, Drobo moves any in flight data to onboard flash in your Drobo so it will be protected and moved to your disk drives once power is restored. This ensures your important information is safe and sound. Even better, your battery recharges itself and is designed to last for the life of you Drobo.



1 x USB 3.0 port

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. Use the Capacity Calculator to estimate available storage in various configurations.

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



Drive bay indicator lights, capacity gauge, status lights

Drobo Dashboard version 2.6 or later

Operating System Support


Mac OS X 10.7 and higher

Windows 8/8.1 32 and 64 bit

Windows 7 32 and 64 bit

File System Options


Mac OS X: HFS+

Windows: NTFS

Hardware Features


Carrier-less Drive Bays

Power Fail Protection

Kensington Lock Port for Security (lock not included)

Additional Software Features


Maximum System Capacity: 32TB

Drive Spin Down

Dim Lights

OS X Time Machine Support



One (1) year warranty.

Size and Weight


Desktop Form Factor

Width: 152.4 mm

Height: 160 mm

Depth: 271.8 mm

Weight: 3 kg without hard drives, power supply, or packaging

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


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