OWC ThunderBay 4 64TB 4-Bay Thunderbolt 3 RAID 5 Array (4 x 16TB)

BH #OWTB3SRT640S • MFR #OWCTB3SRT64.0S
OWC ThunderBay 4 64TB 4-Bay Thunderbolt 3 RAID 5 Array (4 x 16TB)
Key Features
  • 4 x 16TB 7200 rpm SATA III 3.5" HDDs
  • 4 x 3.5"/2.5" SATA III 6 Gb/s Drive Bays
  • Thunderbolt 3 (USB Type-C) Interface
  • RAID 0, 1, 4, 5, 10, and JBOD
Add RAID 5 storage to your Mac or Windows computer with the ThunderBay 4 64TB 4-Bay Thunderbolt 3 RAID 5 Array from OWC / Other World Computing. As you can guess from its name, the ThunderBay 4 features dual Thunderbolt 3 ports, which utilize the USB Type-C connector. There is also a DisplayPort 1.2 port for connecting up to a 4K display.
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OWC ThunderBay 4 External HDD Overview

Add RAID 5 storage to your Mac or Windows computer with the ThunderBay 4 64TB 4-Bay Thunderbolt 3 RAID 5 Array from OWC / Other World Computing. As you can guess from its name, the ThunderBay 4 features dual Thunderbolt 3 ports, which utilize the USB Type-C connector. There is also a DisplayPort 1.2 port for connecting up to a 4K display.

The ThunderBay 4 has four drive bays, which supports both 2.5" and 3.5" hard drives (2.5" HDDs do not need adapters). This particular ThunderBay 4 model comes with four 16TB 3.5" 7200 rpm drives for a total of 64TB storage capacity. The included drives are configured in RAID 5. With RAID 5, you get protection against a single drive failure. Three of the hard drives are used for storage while one hard drive is used for parity. If you want to reformat to RAID 0 or 1, 4, or 1+0, you can use the included SoftRAID software or the Windows Disk Management utility. This RAID array is compatible with macOS 10.12 or later and Windows 10 and later.

General Features
Thunderbolt 3
Thunderbolt 3 is a hardware interface that utilizes the reversible USB Type-C connector. Doubling the speed of its predecessor, Thunderbolt 3 features a maximum throughput of 40 Gb/s when used with compatible devices. The connector also transmits data via USB 3.1 at up to 10 Gb/s, and dual-bandwidth DisplayPort 1.2 allows you to connect up to two 4K displays simultaneously. Additionally, you can daisy chain up to six devices from a single Thunderbolt 3 port. Please note, a Thunderbolt 3 to Thunderbolt 3 host connection is required.
RAID & JBOD Support
The ThunderBay 4 comes pre-configured in RAID 5, but also supports RAID 0, 1, 4, 10, and JBOD.
Time-Tested Cooling
Built on OWC's time-tested enclosure cooling technology, the Thunderbay 4 utilizes an open "flow-thru" vented design with an over-sized 92mm, low turbulence, noise-quieting fan to keep the drives running cool and reliably.
Multi-Drive
Daisy-chain up to six ThunderBay 4s for more storage capabilities and increased performance, or connect multiple ThunderBay 4s to multiple Thunderbolt 3 ports to achieve higher speed capabilities.
Vibration Dampened
The ThunderBay 4's drive isolating design reduces sonic resonance and is aided by over-sized, rugged, vibration-absorbing, non-skid feet.
OWC Thunderbolt Cable
The ThunderBay 4 comes with a certified OWC Thunderbolt 3 cable.
DisplayPort 1.2 Support
Dual Thunderbolt ports let you connect the display of your choice that your computer can support, including 4K displays.

OWC ThunderBay 4 External HDD Specs

Key Specs
Included Drives
4x 16 TB 3.5" HDD
Interface
SATA III
Number of Bays
4x 2.5"/3.5"
Inputs/Outputs
2x USB-C Thunderbolt 3 (40 Gb/s)
1x DisplayPort 1.2
RAID Support
, RAID 0/1/5/JBOD
Drives
Included Drives
4x 16 TB 3.5" HDD
Initial RAID Configuration
RAID 5
Interface
SATA III
Rotational Speed
7200 rpm
General
Number of Bays
4x 2.5"/3.5"
Inputs/Outputs
2x USB-C Thunderbolt 3 (40 Gb/s)
1x DisplayPort 1.2
Compatible Drive Interface
SATA III
Form Factor
Desktop
RAID Support
, RAID 0/1/5/JBOD
Transfer Rates
704 MB/s (Read)
672 MB/s (Write)
Software
OS Compatibility
Windows 10 or Later
macOS 10.12 or Later
Security
Security Features
Kensington Security Slot
Electrical
AC Input Power
100 to 230 VAC, 50 / 60 Hz
Power Source
Internal Power Supply
Environmental
Operating Temperature
50 to 95°F / 10 to 35°C
Storage Temperature
-40 to 149°F / -40 to 65°C
Physical
Status Monitoring
LED Indicator
Cooling
1x 92 mm Fan
Dimensions
9.6 x 7 x 5.3" / 243.8 x 177.8 x 134.6 mm
Weight
12.6 lb / 5.7 kg
Packaging Info
Package Weight
18 lb
Box Dimensions (LxWxH)
14.3 x 10.2 x 8.6"

OWC ThunderBay 4 External HDD Reviews

SetUp can be problematic

By Stephen
Rated 2 out of 5
Date: 2022-12-19

First the good news: This drive is nicely compact, clean look, and quiet enough on a desk. The not so good news: The setup guide is short on details and made the setup more difficult than necessary. I discovered some limitations of this unit compared to other RAID drives I have previously owned (not in literature). I found the tech support, so far, hit & miss depending who you connect with. The software interface used to manage the device is basic compared to other manufacturers I'm familiar with.

Excellent product and support

By David
Rated 5 out of 5
Date: 2022-07-03

Dead simple setup with my new Mac Studio. OWC's support is excellent, from the initial purchase decision to installation (and I presume support down the road). Only minor complaint is the fan noise. A lot quieter than my old Promise Pegasus raid but still noticeable.

Drives seem to work well, software is a realy pain

By lorenzo
Rated 3 out of 5
Date: 2022-06-29

The physical product is great, large drives and a solid metal housing, and they're pretty fast. The problem I have is with the software, SoftRAID. First time setting up I it did not go smoothly, had to do a bunch of reading and research to even show up as a drive on my mac. I have an M1 Mac and this drive does not show up eiter. They advertise this a plug and play, it's not. You'll likely need to do technical reading, validation, lots of restarting your comp, and waiting. The SoftRAID program is strange, it will randomly pop up windows recommending a update. If you unplug the drive from your computer it pops up at least seperate 4 windows notifying you. I'd really recommend using a different software for this.

Good! But could be great!

By Karen
Rated 5 out of 5
Date: 2022-04-04

Fantastic product! Relatively quiet for what it is; goes great under my desk instead of on top of it. Ready to use right out of the box. I do wish the cord was a little longer. BUT kind of annoying that after paying for such a great item I also have to go buy software to run an actual RAID on it. Sure people do different things on these enclosures. But tacking on another 50 or 100 bucks to the price to get it to the most common functions of the advertised process feels cheap or better nickel-and-dimed.

Noisy and crashes after sleep - known issue to OWC.

By John
Rated 3 out of 5
Date: 2022-02-15

Several times now I keep getting SoftRaid Volume Locked, to avoid data corruption. It advises restarting your computer. It takes forever to shut down. And then the fan suddenly hisses in a short burst before rebooting. On one occasion I had to re-arrange my display preferences in the Control pannels as somehow that was affected also. Info reports error is known and they are expecting a fix from Apple. This is not really acceptable at this price. Also, the drive is really clunky noisy requiring a really expensive optical Thunderbolt cable to put it in another room or closet. Other than these annoying qualities it seems to work well. I had Caldigit drives before and had none of these issues. They are cheaper than the others so despite the flaws there is still value. The noise is really not good though. They should include a long TB cable with this box. As it is $250.00 to buy one. I would see if there are other drives that do not have these issues. Too late for me, I bought two of these. So twice the troubles.

Caution: Performs poorly on Windows computers

By Aaron
Rated 1 out of 5
Date: 2022-02-14

I attempted to use this device on two different Windows computers and tried multiple Thunderbold 3 to Thunderbold 3 cables (including the one that was included in the packaging). The out of the box (RAID5) peak transfer speed was 120/MBs - and the average was 70MBs. The advertised peak transfer speed is 704/MBs On the third contact with OWC support, the agent admitted that this device is known to have extremely slow transfer speeds on Windows. The agent was unable to provide information on whether a fix was in the pipeline. I would consider this device unusable for Windows users despite claims of Windows compatibility on their website and packaging.

Great Storage Device

By Reese
Rated 5 out of 5
Date: 2022-08-11

This DAS device is a real workhorse and has worked flawlessly for me. It is very fast at transferring data which is important to me. Very happy with my purchase!

Works well so far

By Christopher
Rated 5 out of 5
Date: 2022-07-18

Bought raid to handle over two weeks worth of shooting 4k. Working well so far, and definitely a bit faster/efficient than my previous way of working with a bunch of drives daisy chained together!

See any errors on this page? Let us know

If I currently have Thunderbolt 2 connections on ...

If I currently have Thunderbolt 2 connections on my macbook pro, but am planning to upgrade to one with thunderbolt 3, is there an adapter I can buy now that will allow me to use this drive with thunderbolt 2 until I upgrade my macbook?
Asked by: Tim
The Apple Thunderbolt 3 to Thunderbolt 2 adapter will work.
Answered by: OWC Andy
Date published: 2020-05-13

There's a $50 difference between the RAID5 and ...

There's a $50 difference between the RAID5 and the RAID0 configurations. Since this is driven by the RAID software you have to install locally, is it possible/easy enough to just reconfigure it from 0 to 5 and save the money or is there a $50 reason it's worth ordering it as RAID5 from the outset?
Asked by: Zach
OWC has two distinct part numbers for these items and it appears that the only difference is that the RAID 5 model comes pre-configured. If you want RAID 5 out of the box without having to deal with configuration, the RAID 5 version is the one to get.
Answered by: Gregorio M.
Date published: 2020-10-14

Will this work with the M1 Mac Mini?

Will this work with the M1 Mac Mini?
Asked by: Shane
Yes, it is compatible.
Answered by: OWC Andy
Date published: 2021-03-08

I only have USB 3.1 port. Can i use usb C to usb ...

I only have USB 3.1 port. Can i use usb C to usb 3.1 Cable or adapter for connect ? And if one of them has problem, can I keep my data? Or it will lose ?
Asked by: Liam
I'm sorry, but it will not run via USB-C or 3.1 with an adapter. This requires a native Thunderbolt connection.
Answered by: OWC Andy
Date published: 2020-07-06

If you use this with one set of 4 SATA HDD's as ...

If you use this with one set of 4 SATA HDD's as "Project 1" for example, and then swap out all 4 HDD's to start "Project 2", will this function that way. Ultimate goal is to edit multiple documentaries on Premiere by swapping out HDDs depending on which project is currently active. Thanks! ?
Asked by: Daniela
It can be done, but you need to make sure the inactive set of drives is properly stored and numbered to match the slots in the enclosure.
Answered by: OWC Andy
Date published: 2021-04-22

question

Does this come with the OWC 3 year warranty?
Asked by: Jeffrey G.
This product has a Limited 3-Year Warranty.
Answered by: Heather S.
Date published: 2018-08-25

Is this Thunderbay 4 a DAS unit and does it come ...

Is this Thunderbay 4 a DAS unit and does it come with dual thunderbolt cables? Are the instructions included for the hook up and details regarding changing the raid array and how to format this unit
Asked by: Raymond
This DAS comes with one Thunderbolt 3 cable.
Answered by: Michael
Date published: 2021-01-27

Can you use this RAID on a 2013 MacPro with an ...

Can you use this RAID on a 2013 MacPro with an Apple Thunderbolt 2 to 3 adapter?
Asked by: Martin
If your macOS is macOS 10.12 or later, yes. You can use Apple's Thunderbolt 3 to Thunderbolt 2 adapter for compatibility.
Answered by: jessica
Date published: 2019-07-03
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