Drobo DroboShare review: Drobo DroboShare

CNET Editors' Rating

3.5 stars Very good
  • Overall: 7.3
  • Setup and ease of use: 10.0
  • Features: 6.0
  • Performance: 6.0
  • Service and support: 7.0
Review Date:
Updated on:

The Good Incredibly simple to set up and manage; can switch from networked-attached to direct-attached storage; can connect two Drobos to DroboShare; supports major file systems NTFS, HFS+, FAT32, or EXT3.

The Bad DroboShare costs an extra $200 on top of the Drobo, which, it might be argued, should have included an Ethernet port in the first place; cannot designate different access rights to specific users on your network.

The Bottom Line For those bemoaning the lack of network support on last year's innovative Drobo drive, DroboShare offers Gigabit Ethernet and as simple and straightforward a setup as we found with the direct-attached Drobo.

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If you have already plunked down $500 for a Drobo and have other PCs on your network that you'd also like to backup to your Drobo, the $200 DroboShare companion piece is a no-brainer. It's near perfect for small offices in need of a dead simple backup solution, but home users eyeing the pair at a combined $700 may find themselves drifting to a less elegant but cheaper and feature-rich network attached storage setup. Whether you think $700 is too much to pay for an empty, four-bay networked backup drive depends, I suppose, on your view of network configuration settings. DroboShare makes it completely pain free to set up a shared drive across your network, which to many will be worth its weight in gold, but there are cheaper NAS/RAID drives such as the D-Link DNS-323 and the Iomega StorCenter Network Hard Drive that let you do more.

DroboShare is designed to fit directly under the Drobo. It's the same width and length as the Drobo, and it has four depressions on its top that line up with the Drobo's four rubber feet so the two units can be docked securely.


The Drobo sits on top of the DroboShare unit. A very short USB cable connects the two.

DroboShare ships with three cables: Ethernet, USB, and a Y power adapter. On the back of the DroboShare unit you'll find four ports: Ethernet, two USB, and power. You simply connect one end of the Ethernet cable to the back of the DroboShare and the other end to your router, and then connect use the short USB cable to connect the DroboShare to the Drobo. (The second USB port on the DroboShare lets you connect a second Drobo should you outgrow one.) Finally, connect the Y power cord to both the Drobo and the DroboShare and then to the end of the Drobo's power cord--it's convenient that the DroboShare doesn't require a second outlet.

One drawback of this setup is that connecting the Drobo and the DroboShare via USB limits your bandwidth to 480Mbps of the USB 2.0 spec--a potential bottleneck for Gigabit Ethernet networks. We tested the DroboShare via a 100Mbps Ethernet router, however, and the USB connection was not a speed trap. We transferred 2.1GB of video files to the Drobo via DroboShare and it took 6 minutes 42 seconds, for a throughput of 42Mbps. Transferring that same data via a direct USB 2.0 connection to the Drobo took only 1 minute 58 seconds, for a throughput of 142Mbps. In another test, it took 66 minutes to write 16.4GB worth of photos via DroboShare, for a throughput of 34Mbps.

One of the more convenient features of DroboShare is that it lets you switch from a networked Ethernet connection to a direct USB connection on the fly--NAS to DAS, as it were. Our Windows XP and Vista machines recognized Drobo instantly, whether connected via Ethernet though DroboShare or directly to Drobo via USB without needing to install the Drobo Dashboard.

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Where to Buy

Drobo DroboShare

Part Number: 905-00001-001 Released: Jan 14, 2008
Pricing is currently unavailable.

Quick Specifications See All

  • Release date Jan 14, 2008
  • Data Transfer Rate 1 Gbps
  • Connectivity Technology Wired
  • Interface (Bus) Type Hi-Speed USB