G-Technology 4TB G-RAID External Hard Drive Array with Thunderbolt, 2 SATA III Drive Bays, RAID 0

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About G-Technology

This kit Bundle comes with $99.95 worth of free accessories including a Lexar 64GB SDHC Memory Card and Shipping is free! .

The G-Technology 4TB G-RAID External Hard Drive Array with Thunderbolt was designed specifically for professional content creation applications. Featuring powerful, flexible I/O technology, the G-RAID with Thunderbolt is double the data transfer rate of USB 3.0 and over 12 times faster than FireWire 800. Reaching 10Gbps (800MB/s), you'll be able to transfer your media files expediently with unmatched speed.

Optimized for Mac computers, this G-RAID comes Time Machine-ready so all you need to do is plug and play. With 4TB of storage space, you'll be able to back up any important files quickly and efficiently. Also, with built-in RAID 0 support, you'll have better performance since all data is evenly distributed between the two 7200rpm hard drives.

G-Technology Features

  • Ultra-fast, high-performance Thunderbolt technology
  • Double the data transfer rates of USB 3.0
  • Over 12 times faster than Firewire 800
  • Dual Thunderbolt ports
  • Daisy-chain up to 6 Thunderbolt compatible peripherals
  • RAID 0 for maximum performance
  • Supports multi-stream HDV, DVCPro HD, XDCAM HD, ProRes 422 and uncompressed SD workflows
  • Time Machine-ready, plug-and-play setup on Mac OS
  • 7200 RPM drive technology

G-Technology Specifications

2 x Thunderbolt
Disk Drives
Type: 2 x SATA III
RPM: 7200
Cache: Up to 32MB per drive
RAID Controller
Hardware RAID 0
Cooling System
Thermo-regulated, quiet smart fan
System Requirements
Mac OS X 10.6 or higher
9.25" x 5.125" x 3.374"/23.49 x 13.01 x 8.56cm

Reviews about this item

Review Snapshot®


(based on 13 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


Excellent Hard Drive

I use this drive for video editing with Final Cut Pro X on a 27in iMac i7. It has greatly increased the speed of my editing workflow and can stream 6 + track of ProRes HD video for multi cam editing. It is also very quiet. I would recommend this drive for any media professional.


Most Liked Negative Review


The product is overated

The connectors use the Thunderbolt protocol but the Hard Drive support uses the old SATA II protocol. Since SATA II max throughput is only 3Gb/S, in a RAID 0 configuration, the max output will only be (theoretically speaking) of 6Gb/s. The Thunderbolt has a much higher throughput 10Gb/s per-lane, but it will not be used at max... If only the system was using a SATA III controller...

Reviewed by 13 customers


Expensive, but best in class


from New York, NY

These are the most reliable, rugged Thunderbolt RAID enclosures I have come across. They are a staple of my storage planning


No perceived support for PC


from Los Angeles

Bad move by G-tech not supporting a solid platform


very fast!


from nj  -  Power user

I had problem using firewire 800 and pro res HQ footage (I keep getting the spinning wheel) but with this unit and thunderbolt the problem was resolved as footage move fast between hard drive and computer.


Super fast


from CitiBike, USA  -  Power user

Great performance but the front light stays on unless you power down the unit. Plus the noise level is higher than I expected. Can't beat the speed, though.


Don't even think about it, Get This now


from California

I just got my G Raid drive thunderbolt and this unit absolutely complements my iMac beautifully. it's extremely fast and very reliable.


Typical G-Tech: amazing!


from Boise, ID, USA

Been working with the 4 TB Thunderbolt G-Raid for a few months now. It flies, it's rock solid. Love it.


Excellent value


from Scotland, UK

I spent ages trying to decide on the best Thunderbolt drive and, in the end, settled on the G|RAID. I haven't regretted it. They are fast, quiet and very good value compared to the competition. They also are very beautifully built. I would have like to have seen a utility to handle the RAID formatting of the drives and perhaps offer monitoring of their status, rather than just reverting to Disk Utility - but this is a minor point. I'd definitely recommend them.

(1 of 1 customers found this review helpful)


Great for DJ/VJ


from brooklyn, ny

I needed more performance for DJing videos with Serato & Virtual DJ. So I just got the thunderbolt raid drive & a new macbook retina 15inch with 16gb of ram, so far I am not having any performance issues even with HD videos. I have only used it a few times so I'm still a little worried about a hard drive error with this drive since it is raid 0 striped but i guess time will tell.

(17 of 31 customers found this review helpful)


Loud Fans and doesn't sleep


from San Francisco, CA

I use this as my main drive on my Mac Pro and it is louder than my Mac. The product description describes it as whisper quiet but it is far from quiet. I would not use this anywhere near a microphone for audio post work. I have a DroboS and WD MyBook. Both are way quieter. However I would have to say it is the best looking drive and the fastest drive at RAID5 where my Drobo is dog slow and quiet. I guess you can't have quiet and fast. I felt mislead by the "whisper quiet" claim. You should also expect this to stay on even when your main computer goes to sleep since the drive does not sleep. I will upload sound comparisons on YouTube.

(6 of 6 customers found this review helpful)


Love It!


from Russellville, AR

I've been in production & design for over 10 years now, until now I have never seen an external drive with this kind of speed. Its a little pricy but if time is money then its a pretty easy choice. We are running these on our 27' iMacs and they have been flawless to this point!


Questions & Answers Powered by TurnTo®

Questions about this item:

James M  Is the G-Raid 4TB Thunderbolt or Thunderbolt 2?
Andrew R  The manufacturer specifies Thunderbolt (not Thunderbolt 2).
James M  One reviewer says the G-Raid 4TB is louder than the Mac Pro and never rests. True?
Andrew R  All of the reviews for this product that have been left by our customers may be found here: http://www.adorama.com/GTEGR4TBT.html#reviews
James M  One reviewer says the G-Raid 4TB has only SATA II protocol and not SATA iii and therefore cannot reach the 10GB possible with Thunderbolt. Is this true?
Andrew R  Product specs from the manufacturer indicate the presence of SATA III.
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