Discontinued

4-Bay Enclosure for 3.5in SATA Drives - Thunderbolt 2 - RAID

Bandwidth hungry? Your solution is here:
Quad-bay high capacity storage with lightning fast performance.

Product ID: S354SMTB2R

1 stars (4 reviews) |
  • Create high capacity external data storage with four 3.5” SATA drive bays (HDDs are not included)
  • Transfer files at lightning speed of up 20 Gbps with Thunderbolt 2
  • Sleek, ultra compact design – only 4.6” (116 mm) wide – in brushed aluminum to complement your Mac or PC

Creative professionals, from digital content creators to video editors, have extreme demands for external storage requiring both high capacity and high speed. Now, you get the best of both worlds with the 4-bay Thunderbolt 2® hard drive enclosure. It gives you 4 customizable 3.5in drive bays, 20Gbps speed with Thunderbolt 2, and the accelerated performance and security of hardware RAID.

Sleek, ultra compact design of the Thunderbolt 2 hard drive enclosure

Finally, you get the throughput you demand. You can add four 3.5” SATA III hard drives to your Mac or PC using your Thunderbolt port, and build an external RAID array for enhanced performance and data security.

Sleek, ultra compact design complements your Mac or PC

The 4-bay Thunderbolt 2 drive enclosure is big on storage capacity and speed, yet small in size - at only 4.6” (116 mm) wide and 6.2” (158 mm) high. Its sleek, ultra compact design in high quality aluminum makes it the perfect companion for your Mac, MacBook Pro®, Dell™ XPS, Dell Precision or other device.

Lightning fast performance with Thunderbolt 2

Time is money, so just imagine how much you can save with Thunderbolt 2 performance. Stream data quickly. Work effortlessly with raw media files.

Giving you 20Gbps of throughput, you can transfer data to and from your external drives faster than ever before. This superior performance makes Thunderbolt 2 the ideal external solution for high-resource intensive storage applications including high-resolution video editing and photography in your production and post-production environments.

The drive enclosure supports SATA III, II and I specifications, to enable faster data transfer speeds of up to 6Gbps. You can also use a 2.5in to 3.5in SSD adapter (25SAT35HDD) to add an SSD to your array and utilize Hyper Duo, giving you near-SSD performance at HDD capacities.

Generous data storage capacity with four 3.5in drive bays

Build an external storage solution that meets your continually changing needs. You’ll have ample storage capacity to off-load large data or back-up large files. (HDDs are not included with the enclosure.) You can configure the four 3.5in drive bays to your own requirements, with your own choice of hardware RAID configuration.

Accelerated performance and security with hardware RAID

Accelerated Performance & Security with Hardware RAID

The Thunderbolt 2 enclosure supports hardware RAID giving you increased performance and protecting your valuable data at the same time, with support for RAID modes: JBOD / 0 / 1 / 1+0 . The included software lets you monitor your array as well as set your hardware RAID configuration. Hardware RAID increases your performance as data is off loaded to the enclosure, freeing up system resources for more process intensive tasks like file rendering (3D/Video).

Drive protection with sleek durable housing

Drive Protection with Sleek Durable Housing

To ensure peak performance, the Thunderbolt 2 enclosure maintains an ideal operating environment to protect your drives. The enclosure features a built-in fan for improved air circulation and an aluminum housing that maximizes heat dissipation while providing rugged durability.

Added flexibility and scalability with daisy chain

Leverage the Thunderbolt daisy chain port. You can connect up to 6 additional devices such as monitors, docking stations, or additional external drives -- the perfect solution for Ultrabooks.

The S354SMTB2R 4-bay Thunderbolt 2 enclosure is backed by a StarTech.com two year warranty and free lifetime technical support.

Applications

  • Expand the storage capacity of your Mac, MacBook Pro, Dell™ XPS 13, Dell Precision or other device.
  • Add high-speed external storage, for graphics-intensive applications such as high-resolution video or photo editing
  • Quickly transfer large data files from your computer to an external hard drive for secure backups
  • Build an external hardware RAID array to maximize storage performance or secure data redundancy

Partner Numbers

  • Exertis 0010039631
  • UPC 065030858038

Compatibility

  • Windows 10 logo
  • Windows 7 logo
  • Windows Server 2016 logo
  • macOS Mojave (10.14) logo
  • macOS High Sierra (10.13) logo
  • macOS Sierra (10.12) logo
  • Linux logo
Windows® XP, Vista, 7, 8, 8.1, 10 Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016 Mac OS® 10.6 to 10.14 Linux 3.5.x to 4.11.x LTS versions only

Specifications

Warranty Information Warranty 2 Years
Connector(s) 4 - Drive Connectors SATA Data & Power Combo (7+15 pin)
2 - Host Connectors Thunderbolt™ (20-pin)
Environmental Operating Temperature 5°C to 35°C (41°F to 95°F)
Storage Temperature -20°C to 50°C (-4°F to 122°F)
Humidity 20% ~ 80% RH
Hardware Interface Thunderbolt
Bus Type Thunderbolt
Number of Drives 4
Drive Size 3.5in
Compatible Drive Types SATA
Drive Installation Fixed
Fan(s) Yes
1 - Fans 70 mm
Chipset ID Marvell - 88SE9230
Indicators 1 - LED Indicators Power LED
Drive 1 Activity LED
Drive 2 Activity LED
Drive 3 Activity LED
Drive 4 Activity LED
Packaging Information Package Height 19.7 cm [7.8 in]
Package Length 28.5 cm [11.2 in]
Shipping (Package) Weight 2.8 kg [6.2 lb]
Package Width 28 cm [11.0 in]
Performance Maximum Data Transfer Rate 20 Gbps
Type and Rate Thunderbolt 2 - 20 Gbit/s
SATA III (6 Gbps)
Hardware Raid Supported Yes
Supported RAID Modes RAID 0 (Striped Disks)
Max Drive Capacity Currently tested with up to 6TB 7200 RPM hard drives
Hot Swap Capability No
Supported RAID Modes RAID 1 (Mirrored Disks)
RAID 10 (1+0, Striped set of Mirrored Subset)
JBOD - (Just a Bunch of Disks)
Temperature Alarm No
Physical Characteristics Weight of Product 1.2 kg [2.6 lb]
Product Length 19.5 cm [7.7 in]
Product Width 11.6 cm [4.6 in]
Product Height 15.8 cm [6.2 in]
Power Power Source AC Adapter Included
Input Voltage 100 - 240 AC
Output Voltage 12V DC
Output Current 10 A
Plug Type M
Power Consumption (In Watts) 120
Software OS Compatibility Windows® XP, Vista, 7, 8, 8.1, 10 Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016 Mac OS® 10.6 to 10.14 Linux 3.5.x to 4.11.x LTS versions only
Special Notes / Requirements Note The Marvell Storage Utility application requires macOS 10.9 to 10.14.
What's in the Box 1 - Included in Package Thunderbolt 4-bay 3.5in Hard Drive RAID Enclosure
2m Thunderbolt Cable
3 - Included in Package Allen key
1 - Included in Package Universal power adapter (NA / UK / EU)
Instruction manual

Accessories

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25SAT35HDD

2.5” to 3.5” SATA Aluminum Hard Drive Adapter Enclosure with SSD / HDD Height up to 12.5mm

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Drivers/Downloads

Talk to an Advisor

We are always ready to assist you with any questions you may have.

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Manual(s):

Software

  • marvell_msu_linux.zip
    • Version: 4.1.0.2031
      RedHat Enterprise 6.0
      Redhat Enterprise 5.4 SUSE
      Linux Enterprise 11SP1
    • Language: EN

Datasheet

Product Support

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Frequently Asked Questions

Troubleshooting

When you troubleshoot issues with a hard drive enclosure, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:

  • Cables
  • Hard drives
  • Hard drive enclosure

To test your setup components, try the following:

  • Use the cables, hard drives, and hard drive enclosure in another setup to see if the problem is with the components or the setup.
  • Use a different cable, hard drive, and hard drive enclosure in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test the hard drive and hard drive enclosure, it is recommended that you do the following:

  • To check Disk Management, press the Windows key + R, type diskmgmt.msc, and press Enter. Check to see if your hard drive is listed.
  • If the hard drive is listed with unallocated space, the hard drive needs to be reformatted. Right-click unallocated and click New Simple Volume. Follow the on-screen instructions to complete the reformatting.​

Note: Formatting a hard drive erases all of the data on it. Make sure that you back up all of your data before you reformat the hard drive.​

  • If the hard drive is listed as healthy but does not have a drive letter, for example, C:, right-click healthy and click Change Drive Letter and Paths. Click Add, assign a drive letter, and click OK.

Note: A formatted hard drive will not show up in Computer or My Computer until it has a drive letter assigned to it.

In order to rebuild a RAID array, you need to replace a physical drive with an identical drive on the same RAID controller. Although standard RAID levels are generally agreed upon throughout the industry, the implementation varies between manufacturers. RAID arrays are typically not accessible when they are moved to another controller, and data may be unrecoverable if the drives are out of order or have been formatted or accessed by another RAID controller.

If a RAID controller has failed, you should get the exact same model of RAID controller.  

Note: If a drive or drives were damaged, it is possible that the RAID array may be permanently unrecoverable.

RAID should not be considered a replacement for backing up your data. If critical data is going onto a RAID array, you should back up the data on another physical drive or logical set of drives.

Rebuild a RAID array

With the following RAID modes, recovery is possible using the same StarTech.com product. Refer to the following table for the appropriate method to use to recover your RAID array.

RAID mode Max # of failed drives Procedure
RAID 1 Only one drive is needed for recovery.
  1. Determine which drive is operational by using the RAID management utility (if available) or test each drive individually on a different hard drive controller (for example, a hard drive docking station or SATA controller).

  2. Replace the failed drive with an identical hard drive.

The array will rebuild and is accessible during the rebuilding process.

RAID 3 Single drive failure will rebuild.
  1. Determine which drive is defective by using the RAID management utility (if available) or with diagnosis LEDs on the controller or enclosure.

  2. Replace with an identical hard drive.

Note: Do not change the order of the drives.

  1. The array may be accessible during the rebuild, but you should let the controller rebuild without interruption so that performance is not compromised.

RAID 5 Single drive failure will rebuild.
  1. Determine which drive is defective by using the RAID management utility (if available) or with diagnosis LEDs on the controller or enclosure.

  2. Replace with an identical hard drive.

Note: Do not change the order of the drives.

  1. The array may be accessible during the rebuild, but you should let the controller rebuild without interruption so that performance is not compromised.

RAID 10 Only one drive in a mirrored set can fail.
  1. Determine which drive is defective by using the RAID management utility (if available) or with diagnosis LEDs on the controller or enclosure.

  2. Replace with an identical hard drive.

Note: Do not change the order of the drives.

  1. The array may be accessible during the rebuild, but you should let the controller rebuild without interruption so that performance is not compromised.

 

Before You Buy

To determine if your hard drive will work in this enclosure, on the product page, click the Technical Specifications tab, and do the following:

  • Make sure that the enclosure supports the storage size of your hard drive. If the storage size of your hard drive is larger than what the enclosure was tested with, the hard drive will likely still work with the enclosure.
  • Confirm that your hard drive uses the same interface type as the enclosure. For example, IDE, SATA, or M.2.
  • Make sure that the enclosure supports the physical size of your hard drive, such as 2.5 inches or 3.5 inches.
  • Make sure that the enclosure supports the height of your hard drive. For example, 9 mm or 15 mm.
  • Verify that the power consumption of your hard drive doesn’t exceed the power output of the enclosure. If you’re using multiple hard drives, make sure that the combined power consumption of all of the hard drives doesn’t exceed the power output of the enclosure.

Note: Not all StarTech.com devices support each of the RAID modes described below. For more information on the RAID modes that your device supports, refer to the manual or the StarTech.com product page.

Redundant Array of Independent Disks (RAID) is a virtual disk technology that combines multiple physical drives into one unit. RAID can create redundancy, improve performance, or do both.

RAID should not be considered a replacement for backing up your data. If critical data is going onto a RAID array, it should be backed up to another physical drive or logical set of drives.

The following are terms that are normally used in connection with RAID:

  • Striping: data is split between multiple disks.
  • Mirroring: data is mirrored between multiple disks.
  • Parity: also referred to as a checksum. Parity is a calculated value used to mathematically rebuild data.

Different RAID levels exist for different application requirements.

Refer to the following table for the list of RAID modes offered by some StarTech.com products:

RAID mode Description Operation Advantages Disadvantages Recovery
RAID 0 Striped disks Data is split evenly between two or more disks. Large size and the fastest speed. No redundancy. If one or more drives fails, this results in array failure.
RAID 1 Mirrored disks Two or more drives have identical data on them. A single drive failure will not result in data loss. Speed and size is limited by the slowest and smallest disk. Only one drive is needed for recovery.
RAID 3 Striped set with dedicated parity Data is split evenly between two or more disks, plus a dedicated drive for parity storage. High speeds for sequential read/write operations. Poor performance for multiple simultaneous instructions. A single drive failure will rebuild.
RAID 5 Striped disks with distributed parity Data is split evenly between three or more disks. Parity is split between disks. Large size, fast speed, and redundancy. The total array size is reduced by parity. A single drive failure will rebuild.
RAID 10 1+0; Striped set of Mirrored Subset Four or more drives are made into two mirrors that are striped. Larger size and higher speed than RAID-1, and more redundancy than RAID-0. No parity. Only one drive in a mirrored set can fail.
JBOD Just a Bunch Of Disks Any number of drives are accessed independently by the operating system. Software RAID modes can be used. Hardware RAID may have better performance. N/A
Big Spanning or Concatenation Data is written on one drive until it is full, and then the next drive(s) until it or they are full. Creates a very large and simple array.

No redundancy.

N/A
Clone RAID 1 + Spare

Two drives have identical data, plus one drive is used for rebuilding in case of a primary array failure.

Seamless operation when one drive fails in a RAID-1 array. Spare drive is not accessible to the user. Only one drive is needed for recovery.

 

Compliance and safety

Compliance letters

  • WEEE
    • Language: English
  • RoHS
    • Language: English

Safety Measures

  • If product has an exposed circuit board, do not touch the product under power.
  • If Class 1 Laser Product. Laser radiation is present when the system is open.
  • Wiring terminations should not be made with the product and/or electric lines under power.
  • Product installation and/or mounting should be completed by a certified professional as per the local safety and building code guidelines.
  • Cables (including power and charging cables) should be placed and routed to avoid creating electric, tripping or safety hazards.
*Product appearance and specifications are subject to change without notice.

Customer Reviews

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(1 Stars)

A $496.99 brick - actually two $496.99 bricks!

By: aaprlore - 12/16/2017
I have two of these enclosures. They worked find with my Mac Pro late 2013 running Mac OSX Sierra. I upgraded to OSX High Sierra, and the eight drives in the two enclosures went MIA! Occasionally, a drive, or two or three, may mount, but after a few minutes it, or they, prematurely eject, hanging up my Mac Pro. One OWC and two Mobius enclosures work just fine with the Mac Pro and High Sierra, but not these StarTech 4-bay enclosures. No one seems to know why. If you plan on using this enclosure with a Mac Pro late 2013 running Mac OSX High Sierra, verify that the drives will mount reliably before you buy - or make sure the vendor will take back the enclosure if it, and the enclosed drives don't function as advertised.
| Helpful?
Brian, Customer Support on 19/12/2017 09:29:24
Thanks for sharing your review. We apologize for the difficulty you encountered. I see you've been in touch with our Tech Support; we're glad you have the product working again. It's difficult to say for certain what caused this glitch. We believe the root cause is likely the switch to the new Apple File System (APFS) that Apple introduced in High Sierra. APFS is the successor to HSF+, the company’s longtime file system for Macs. We're very sorry again for the trouble. All the best!
(1 Stars)

AVOID! Doesn't Work on Mac Mojave or PC Win 10

By: johnski - 05/11/2019
I purchased a few years ago and used on mac Sierra perfectly for 4 independent drives. It has been really good and can't fault it. However Since update to mojave it just wont work even after reformatting drives. tech support says it should but no luck after trying everything as mentioned in other forums and Apple support. It wont even switch on on a windows 10 laptop with thunderbolt 2 (have tried it on 2 separate machines) or a mac mini with a thunderbolt 3 to 2 adapter cable. Seems to be a firmware issue. I have just purchased an OWC 2 bay Thunderbolt 2 caddy and works first time, so that's the solution i'm afraid! Hope that helps others considering this for a newer machine. Look elsewhere.
| Helpful?
Stefan, StarTech.com Support on 13/05/2019 09:27:01
Thank you for taking the time the leave feedback on the S354SMTB2R. We apologize for the issue you've experienced, and we want to help. I see that our support department is already in contact with you and we are happy to continue to work on this issue until we find a solution. We are sorry for the frustration this has caused but we are looking into the case for you and will be reaching out to assist with further troubleshooting.
(1 Stars)

Not compatible with OSX10.14 & up

By: JoBoPo - 09/08/2019
This enclosure does not work with OSX 10.14 & up. It's going between the drives that won't mount or the MBP that won't sleep, shutdown or reboot. Take your pick, either way it's an expensive paperweight if you are running anything above 10.14...
| Helpful?
Matt, Customer Support on 13/09/2019 16:06:03
We're sorry to hear about the difficulties you're experiencing with our S354SMTB2R. We take reports like this very seriously and we'd like to discuss these issues with you further. Please contact us at www.startech.com/support where our Technical Advisors are available 24 hours a day, 5 days a week to provide support.
(1 Stars)

bought second cabinet because I thought broken

By: roberto - 11/09/2020
Hi there, I just received a second unit to replace the first I thought was broken but only now I discovered the even the second doesn't work. I downloaded your software but is not compatible with MacOs 10.15.
| Helpful?
Stacey, Customer Support on 09/11/2020 09:33:53
Thank you for your feedback! This is a discontinued product so no additional support for new operating systems is planned. We apologize for any inconvenience this has caused. Please feel free to reach out to one of our Technical Advisors if you would like assistance determining another solution. Our Technical Advisors would be more than happy to assist and can be reached directly by calling 1-800-265-1844 or via chat.
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