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TERRAMASTER D2-310 USB Type C External Hard Drive RAID Enclosure USB3.1 (Gen1) 2-Bay RAID Storage Support RAID 0/1/Single (Diskless)
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Purchase options and add-ons
Hardware Interface | SATA 6.0 Gb/s, USB 3.1 Type C |
Brand | TERRAMASTER |
Color | 2-bay USB3.1 (Gen1) |
Product Dimensions | 8.9"L x 4.68"W x 6.06"H |
Hardware Platform | Windows, Mac, Linux |
About this item
- Up to 40TB storage capacity. D2-310 can support two (2) SATA hard drives, is compatible with 20TB 3.5 inch SATA hard drive, and has a total storage capacity up to 40TB. (Note: users need to purchase their own hard drives. HDD's are not included.). D2-310 is equipped with brand new USB type-C high-speed interface, and also works with the computers possessing the Thunderbolt 3 interface.
- Compatible with various hard drives including 3.5" SATA hard drives, 2.5" SATA hard drives and SSD. The product might not be able to detect the newly installed hard drives that had been used on other devices before. For the security of the data, please format the hard drives on the D2-310 before use.
- Adopts real SUPERSPEED USB3.1(Gen1) Type-C interface, the read/write speed is up to 410MB/s. Copy a 1GB video in only 2-3 seconds.
- Multiple RAIDs supported. D2-310 supports RAID 0, RAID 1, JBOD and SINGLE which can better satisfy various demands of users. In RAID 1, data will be in a mirror backup. When there is a damaged hard drive, you can directly replace the hard drive, and the data will be recovered automatically. This provides an absolute security guarantee for the data.
- Various applications. Great for data backup, video editing, storage of R&D technical documents, archival backup, music libraries, financial records, storage of video surveillance recordings and corporate data storage. Featuring an aluminum-alloy shell and low-noise fans, D2-310 is extremely solid and reliable with good heat dissipation capabilities and low noise production.
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This Item TERRAMASTER D2-310 USB Type C External Hard Drive RAID Enclosure USB3.1 (Gen1) 2-Bay RAID Storage Support RAID 0/1/Single (Diskless) | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $159.99$159.99 | $89.99$89.99 | $219.99$219.99 | $31.95$31.95 | -28% $28.99$28.99 List: $39.99 | $169.99$169.99 |
Delivery | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 |
Customer Ratings | ||||||
Quality of material | 3.9 | — | 3.9 | 4.1 | 4.2 | 4.6 |
Tech Support | 3.4 | — | 3.4 | 3.6 | 4.0 | 3.7 |
Easy to install | 4.2 | — | 4.2 | — | 4.6 | 4.7 |
Easy to use | 4.2 | — | 4.2 | 4.4 | — | 4.5 |
Sold By | TERRAMASTER | ACASIS Direct US | TERRAMASTER | Store4PC | Store4PC | TERRAMASTER |
Product Description
USB3.1 (Gen1) RAID Storage
2-Bay USB3.1 (Gen1) RAID Storage with Hardware RAID
Up to 40TB capacity with up to 410MB/s sequential read speed
The D2-310 is desktop RAID storage with massive capacity ideal for storing photos, videos, documents and music. RAID0 mode provides super-fast performance with up to 410MB/s sequential read speeds and up to 40TB capacity. Switch to RAID1 configuration for redundancy and to mirror your data,perfectly protect the security of stored data.
Cross-Platform Compatibility for Data Backup
Use D2-310 to easily backup computer files, compatible with Windows, Mac, and Linux machines. No drivers needed!
User-friendly RAID Knob, Switch Modes Easily
Multiple Hardware RAID Modes,Effectively Protect Data Security
Supports multiple RAID modes: RAID 0, RAID 1, JBOD, and Single Disk. User-friendly RAID Knob,Switch Modes Easily.Professionals can choose one or more according to their application scenarios. Effectively protect data security.
Expand the capacity of your NAS
The D2-310 can quickly add storage space to your NAS. It can be used as an external hardware RAID device for TerraMaster NAS. The D2-310 operates independently and does not require additional NAS system resources. The D2-310 features USB3.1 connection and supports SSD/HDD drives for high-speed data access and massive capacity.
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USB 3.1 (Gen1) Type-C High-speed Interface
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Multi-Drive Compatibility
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Better ProtectionThe D2-310 features an intelligent temperature control system and incorporates a low noise fan. The fan speed is automatically adjusted with the temperature of the hard drive to ensure that your hard drive remains at the optimal working temperature. |
Brand new replacement for 2 years.
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D2-310: 2-bay USB3.1 RAID Enclosure | D4-300: 4-bay USB3.1 Enclosure, RAID Mode NOT supported | D5-300C: 5-bay USB3.1 RAID Enclosure Supports 2+3 RAID Mode | D5-300: 5-bay USB3.1 RAID Enclosure Supports RAID 5 | D5 Thunderbolt 3: 5-bay Professional-grade Hardware RAID Thunderbolt 3 Enclosure | |
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Customer Reviews |
4.0 out of 5 stars
749
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4.3 out of 5 stars
499
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4.0 out of 5 stars
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4.0 out of 5 stars
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3.5 out of 5 stars
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Drive Bays | 2 | 4 | 5 | 5 | 5 |
Interface | USB3.1 Gen1 Type C (5Gbps) | USB3.1 Gen1 Type C (5Gbps) | USB3.1 Gen1 Type C (5Gbps) | USB3.1 Gen1 Type C (5Gbps) | Thunderbolt 3 (40Gbps) |
Max. number of HDDs/SSDs | 2 x 2.5" or 3.5" SATA 6Gb/s | 4 x 2.5" or 3.5" SATA 6Gb/s | 5 x 2.5" or 3.5" SATA 6Gb/s | 5 x 2.5" or 3.5" SATA 6Gb/s | 5 x 2.5" or 3.5" SATA 6Gb/s |
Max. Storage | 40TB (20TB x 2) | 80TB (20TB x 4) | 100TB (20TB x 5) | 100TB (20TB x 5) | 100TB (20TB x 5) |
Reading Speed (max.) | 410MB/sec (tested by 2 SSD, in raid 0, Windows OS) | 420MB/sec (tested by 4 SSD, in SingleDisk) | 410MB/sec (tested by 2 SSD, in raid 0, Windows OS) | 210MB/sec (tested by 5 SSD, in raid 0, Windows OS) | 1035MB/sec (tested by 5 SSD, in raid 0, Windows OS) |
Writing Speed (max.) | 400MB/sec (tested by 2 SSD, in raid 0, Windows OS) | 390MB/sec (tested by 4 SSD, in SingleDisk) | 400MB/sec (tested by 2 SSD, in raid 0, Windows OS) | 190MB/sec (tested by 5 SSD, in raid 0, Windows OS) | 850MB/sec (tested by 5 SSD, in raid 0, Windows OS) |
Hardware RAID | YES | NO | YES | YES | YES |
RAID Mode | RAID 0, 1, JBOD, Single | NO | RAID 0, 1, Single | RAID 0, RAID 1, RAID 5, RAID 10, CLONE, JBOD, and Single Disk | RAID 0, 1, 5, 10, JBOD, Single |
RAID Features | RAID 0, 1, JBOD, Single for HDD1 & HDD2 | Only individual disk | HDD1 & HDD2 can be set as RAID 0, 1, Single; HDD3-5 can be individual disks | RAID 0, RAID 1, RAID 5, RAID 10, CLONE, JBOD, and Single Disk | Professional-grade Hardware RAID |
RAID Auto-rebuilding | RAID1 | NO | RAID1 | RAID1, RAID5, RAID10 | RAID1, RAID5, RAID10 |
Videos
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Terramaster D5-300C 5 Bay Hard Drive Enclosure
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Customer Review: A must have as a Content Creator!
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Product information
Product Dimensions | 8.9 x 4.68 x 6.06 inches |
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Item Weight | 4.7 pounds |
ASIN | B01MRSRQLA |
Item model number | D2-310-US |
Customer Reviews |
4.0 out of 5 stars |
Best Sellers Rank | #369 in Enclosures |
Is Discontinued By Manufacturer | No |
Date First Available | March 7, 2017 |
Manufacturer | TERRAMASTER |
Country of Origin | China |
Warranty & Support
Feedback
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the ease of use, noise level and value of the hard drive enclosure. For example, they mention that the instructions are easy to follow, the fans are not loud and that it quiets down quickly. They appreciate the value, and temperature. That said, opinions are mixed on quality, performance, speed, and software.
AI-generated from the text of customer reviews
Customers find the hard drive enclosure relatively easy to set up. They say the instructions are OK and the hard drives are easy to attach and slide in/out. They also mention that configuring the RAID is easy using a rotary switch on the back.
"...Instructions are OK by that I mean I could follow them without big issue...." Read more
"Easy setup of hard drives, surprisingly quiet fans. Use for windows server backup." Read more
"...Configuring the RAID is easy using a rotary switch on the back and resetting the enclosure with a bent paper clip or other thin tool...." Read more
"...I don't know if this unit will last but man! SO EASY TO SET UP! The reason I gave 4 stars is because the trays are made out of plastic." Read more
Customers like the noise level of the hard drive enclosure. They say the fans are not loud, and the noise is totally acceptable. Customers also like the front mounted LED's.
"...The quality is good for being mostly plastic. Very quiet. You can set up the system various ways to shut down when not in use...." Read more
"...They also run fairly quiet, almost silent. Unless you have it in your bedroom, you won't hear it...." Read more
"Easy setup of hard drives, surprisingly quiet fans. Use for windows server backup." Read more
"...on HDDs hits the resonant frequency of the plastic bays and it makes enough noise that I can hear it from across my office...." Read more
Customers like the value of the hard drive enclosure. They mention it's an inexpensive Raid 5 solution for desktops and workstations, with a great price-to-performance ratio. Some say that the product is good quality for the buck.
"...All in all - overall worth the money based on other enclosures I've tried in the same price range." Read more
"...plus, and many of the Synology servers were highly rated and comparable priced...." Read more
"...I had been looking for a reasonably priced solution and this was definitely it! Glad I made the purchase." Read more
"...I will be getting more of these. Great price-to-performance ratio" Read more
Customers like the temperature of the hard drive enclosure. They say it keeps everything cool and doesn't seem to get too hot. The material choice improves heat dissipation with lower fan noise. The two fans on the back give it enough air flow to keep the drives cool. Customers also mention that the drives are hot-plug compatible and easily removed and installed.
"...Unlike some other enclosures, this unit has 2 cooling fans build in, which provides more security when one of them dies...." Read more
"Great enclosure , low noise, Stays Cool, Only Comes with USB3.1 "A" type cable too USB-C & my speed was kinda slow with Rotational Drives, my..." Read more
"...The two fans on the back give it enough air flow to keep the drives cool...." Read more
"...So far this is a fantastic piece of kit and provides warm and fuzzies that my data, media, and backups are safe...." Read more
Customers are mixed about the quality of the hard drive enclosure. Some mention that it's excellent in terms of build quality, reliable, and quiet. Others say that it failed and was not warrantable.
"...The quality is good for being mostly plastic. Very quiet. You can set up the system various ways to shut down when not in use...." Read more
"...The drive was not recognized by the OS. I had to reset the unit again for it to be recognized...." Read more
"...The enclosure seems to be well made and the transfer rates (read/write) speed in RAID 1 and 10 are outstanding..." Read more
"Easy setup of hard drives, surprisingly quiet fans. Use for windows server backup." Read more
Customers are mixed about the performance of the hard drive enclosure. Some mention that it works flawlessly, is very pleased with the results, and gets the job done. However, others say that it failed and didn't work on their Windows 10 computer.
"...This system also works with Windows 7 back up and File history back up...." Read more
"...about 950GB into a 4TB copy, the RAID-1 array disappeared and rsync failed...." Read more
"...When left untouched, it works well. I have 4 2TB barracuda (now a 5th 4Gb) drives in it. All individual drives, no JBOD or RAID...." Read more
"...Very pleased with the results." Read more
Customers are mixed about the speed of the hard drive enclosure. Some mention it has good speed when it works, while others say that it runs slow when it gets fragmented. The internal raid 0 is faster, while the performance is a bit worse than it could be. The fan speed is adjustable, and it has no lag in accessing files.
"...All individual drives, no JBOD or RAID. My transfer rates have been as good as you're going to see with USB protocols...." Read more
"...Internal read/writes are great, 1 external connection is a bit of a miss but not really the end of the world...." Read more
"...the Mediasonic is an old design (1990s w/ light show) and has poor performance comparing to the TerraMaster D5-300...." Read more
"...So far I’ve seen no difficulty in accessing my files, no lag in accessing my files, and no lag in saving my files. Overall I’m a pretty happy camper...." Read more
Customers are mixed about the software of the hard drive enclosure. Some mention that it has great, no nonsense tech support, and no additional software was needed. They like that it included all necessary tools. However, others say that it's useless without supported software from Terramaster, has basic features, and does not notify of failure.
"...Cons:- The Raid software is not included in the box, but it is offered free for download on their website.-..." Read more
"...application still shows the array as normal, but because the software is so basic there's absolutely no way to troubleshoot it...." Read more
"...No additional software was needed. Windows detected the drives in disk management perfectly...." Read more
"...the RAID needs to be repaired, but the company's RAID software is not compatible with Monterey..." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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This is not a NAS system you do not have access to your photos when on line. It can be set up as a Raid system. I did not set up as a raid and it shows each drive on my computer. To install the drives they have to be screwed into the brackets. Terramaster comes with a screw driver and plenty of screws for this. Install the drives then plug it in. I had to go to disk management to get the computer to recognize the drives and assign a drive letter to each one, but that be due that my disks were used, and I re-formated them. . The quality is good for being mostly plastic. Very quiet. You can set up the system various ways to shut down when not in use. Instructions are OK by that I mean I could follow them without big issue. The system will take 4 drives, I am currently using two WD NAS red 8 TB disks, and they work good. This system also works with Windows 7 back up and File history back up. I can now know that my photos are safe without the additional cost for a cloud service and my information is private.
The only real con I have is screwing the drives into the racks I would prefer a quick attach to install the drives that would make it much easier to hot swap or change out the disks.
The YottaMaster has a freakin 5 minutes sleep mode that cannot be disabled, the Mediasonic is an old design (1990s w/ light show) and has poor performance comparing to the TerraMaster D5-300.
TerraMaster D5-300 does not have a sleep mode and only puts your drives to sleep when you shut down the attached machine or program a sleep mode. We want our servers to run 24/7 all year around. (Sleep mode will kill your drives)
The enclosure seems to be well made and the transfer rates (read/write) speed in RAID 1 and 10 are outstanding. We clocked 200Mb/sec write speed and 220+ read speed.
The only thing TerraMaster could improve, there were no instructions in the box, just a link to their website where they provide the instructions and software. The setup requires that you use their RAID master software, which only runs on windows or Mac. Means, we had to use a windows machine for setting the RAID levels. After that simple setup, our units work flawless on Unix/Linux with Ext4 filesystem.
Unlike some other enclosures, this unit has 2 cooling fans build in, which provides more security when one of them dies. They also run fairly quiet, almost silent. Unless you have it in your bedroom, you won't hear it.
We would have bought TerraMasters 4 bay unit because we only use 4 drives, but it seems to be backorder. However, this unit has 5 bays, which allows us to add one more drive and convert it to a RAID 5 should we have the need for more space. We have not tested the speed in RAID 5, but the unit actually had a label on it that said: " This enclosure is optimized for RAID 5". (I will update this review in the future, when or if we test the RAID 5)
Unboxing:
The included packaging is nice as it includes plenty of screws for both HDD and SSD drives. They include a screwdriver for drive mounting, extra rubber feet, and labels. I was happy to find the extras, but this is where the happiness stopped.
While the unit itself is metal, the front and rear are plastic. The drive bays themselves do not fit snug in the unit and wiggle several millimeters top to bottom. This is a problem because any drive activity on HDDs hits the resonant frequency of the plastic bays and it makes enough noise that I can hear it from across my office. Despite the cheap construction and noise, I decided to give it a chance.
I followed the instructions and installed two brand new 8TB WD Red drives in slots 1 and 2 after setting it to RAID-1 and resetting the device (again, as per the instructions). The drive was not recognized by the OS. I had to reset the unit again for it to be recognized.
I then added a pair of matching drives to bays 3 and 4 to be used as a zpool, and a 10TB drive in bay 5 as a backup drive.
I'm using this for data storage since that's its purpose and the first order of business was to rsync several TB to the RAID-1 array on bays 1 and 2. Writing data to this drive went smoothly as far as I can tell. Both activity lights indicated writing on both drives and I was able to confirm that later on.
I then created a ZFS zpool from drives 3 and 4 (think software RAID) and sync'd the files from the RAID-1 array to these drives. I immediately noticed that performance was half of the advertised speed and started looking to understand why. Then I saw that the indication lights for drive 2 would only flash when a directory was being scanned. Any reads from the RAID array are isolated to drive 1. So what you have is drive 1 getting absolutely hammered and drive 2 sitting their idle. RAID-1 has two purposes: To provide redundancy in case a drive fails, and to provide a 2x read performance. This product does not provide any performance increase over a single drive (172MB/s max, which is that of a single drive) . What's worse is that this product puts all of the wear and tear of reads on drive 1 so you'll get much less life out of the drive.
During the rsync, about 950GB into a 4TB copy, the RAID-1 array disappeared and rsync failed. The RAID-1 array would then appear, allow slow access speeds, and then disappear again. I had to hard reboot the device in order for the RAID-1 array to stay visible.
All that said, I have had this product for a few days. This is a great idea, and if it worked I would be super happy with it. I was hoping to save some money since Synology are so expensive, but I can't afford to lose the photos and videos of my family.
So if you can't trust your RAID-1 backup, there's no point in having it.
My advice: Stay away from this product and this company if you value your data. And if you don't value your data, why are you buying this in the first place?
Top reviews from other countries
Very please with the price point and overall value and performance.
Recommended product if you are looking for a 2 bay reliable storage device.
Install was physically easy with 4 x 6TB drives that I had. I selected JBOD and reformatted using the basic instructions. Initialised using standard Windows disk manager actions. Job done.
Transfer rates seemed pretty good at about 100MB/s using the cable provided (USB-C to USB3.0). That is quicker than my NAS and I saw 15TB done in about 1.5 days (didn't keep a close eye for exact time and speeds)
As other reviews note the unit doesn't power down but that is OK for me as the music system is always on here.
So, a week or so into using it I have no issues to report. Recommend.
Reviewed in the United Kingdom on July 19, 2016
Install was physically easy with 4 x 6TB drives that I had. I selected JBOD and reformatted using the basic instructions. Initialised using standard Windows disk manager actions. Job done.
Transfer rates seemed pretty good at about 100MB/s using the cable provided (USB-C to USB3.0). That is quicker than my NAS and I saw 15TB done in about 1.5 days (didn't keep a close eye for exact time and speeds)
As other reviews note the unit doesn't power down but that is OK for me as the music system is always on here.
So, a week or so into using it I have no issues to report. Recommend.
I house a single 2.5" 15 mm 4 TB Seagate Barracuda drive which was ripped out of its original exclosure (a Backup Plus Portable Drive) after its control interface board inside failed and the drive did not power up. This allowed me to access my otherwise impossible to access disk. So I am thankful for it.
Putting the tray back into the slot with the disk mounted can be a little tricky at first, but once you figure it out, it is easy to slot in. Just don't try to force it in. It should go in easily, if not you are doing it wrong.
Once plugged in properly, the installation on my Windows 7 machine was rather easy. The necessary drivers were automatically found and installed over the network. (See screenshot.)
Now, here is the scary part.... TerraMaster did not provide a diagnostic software and they do not have one, it seems. So, there is no way to perform drive tests on the disk. Seagate's SeaTools, DiskWizard and Toolkit do not recognise the disk. So I rely on the Acronis Drive Monitor which monitors the S.M.A.R.T. parameters. That's the best I can do for now until I find a software that can perform tests for disks inside this enclosure safely..
Reviewed in Singapore on August 29, 2020
I house a single 2.5" 15 mm 4 TB Seagate Barracuda drive which was ripped out of its original exclosure (a Backup Plus Portable Drive) after its control interface board inside failed and the drive did not power up. This allowed me to access my otherwise impossible to access disk. So I am thankful for it.
Putting the tray back into the slot with the disk mounted can be a little tricky at first, but once you figure it out, it is easy to slot in. Just don't try to force it in. It should go in easily, if not you are doing it wrong.
Once plugged in properly, the installation on my Windows 7 machine was rather easy. The necessary drivers were automatically found and installed over the network. (See screenshot.)
Now, here is the scary part.... TerraMaster did not provide a diagnostic software and they do not have one, it seems. So, there is no way to perform drive tests on the disk. Seagate's SeaTools, DiskWizard and Toolkit do not recognise the disk. So I rely on the Acronis Drive Monitor which monitors the S.M.A.R.T. parameters. That's the best I can do for now until I find a software that can perform tests for disks inside this enclosure safely..