4-Bay 2.5”/3.5” SAS/SATA III HDD/SSD Hardware RAID Storage

2 Thunderbolt™ 3 ports, 1 Mini DisplayPort, Hot-Swappable Drive  




Product Features









1.Hardware RAID that supports Mac OS and Windows PC.

2.The SR4-TB3 is equipped with five configuration modes to suit every need.

●RAID 0/1/5/10/JBOD.

3.Thunderbolt™ 3 (USB-C) brings you 40Gbps extreme high data transfer speed.

4.SR4-TB3 to support 4 x 3.5" / 2.5" SAS/SATA HDD/SSD.

5.MCU function provides automatic and manual adjustment of FAN.

6.Thunderbolt™ 3 The USB-C that does it all.

●Support 15W ( 5V/3A ) Power Delivery.

●Mini DisplayPort connect DVI、HDMI、VGA display devices.


A stand-alone hardware RAID could let your Mac & PC work more efficiently

SR4-TB3 is built-in the easy-to-use hardware RAID, and it won’t hurt system performance during its REBUILDING WORK completely! It would meet your requirement who always requests for both of system performance and the high memory capacity.SR4-TB3 with RAID 5 feature would be your best cost-effective storage solution at both of data protection and the system performance.


It's really easy for you to set up your new buy SR4-TB3 in your office or even at home. Thru Marvell's MSU Tool, you could set up its hardware RAID thru a graphic user-friendly interface.  You could choose one of the following  different RAID modes, RAID 0, 1, 5, 10 and JBOD, to fit your needs for the available large storage space together with its data protection feature.

To support monitoring, buzzer, email notification, and S.M.A.R.T. features

The Marvel MSU Utility could help monitoring the RAID status while your SR4-TB3 is working, and alert you thru beeping sound from a loud buzzer, and sending you a warning message thru e-mail system.  MSU also records all the product status in detailed and helps testing your HDD quality thru its built-in S.M.A.R.T. testing software for you.

To support "SPARE" features


Marvell MSU Utility provides "SPARE" feature which lets you set up a spare HDD/SSD as a redundant storage.  Once any of your HDDs becomes defective, "SPARE" helps protecting your data thru transferring your data from that defect to the free HDD/SSD.



Adjust performance according to application flexibility

SR4-TB3 use Marvell software, to adjust the hard drive and SR4-TB3 transfer data via the "stripe size" function, so that SR4-TB3 based on your use "stripe size" to achieve the most stable and fastest performance.

Thunderbolt™ 3 (USB-C) brings you 40Gbps extreme high data transfer speed

SR4-TB3 supports Thunderbolt™ 3 interface for an extreme high data transfer speed.  And both of the two TB3 ports are equipped with a up to 40Gb/s data transfer rate which is 4 times faster than USB 3.1 Gen 2 ,2 times faster than Thunderbolt™ 2.  You could definitely use it to play your 4K high-resolution films with no any lagging hassle.  Thunderbolt™ 3 interface not only brings you this high data transfer rate advantage, it also let you chain maximum up to another 6 more SR4-TB3 products (or other compatible storage products).

All Thunderbolt™ 3 products should be connected to the Thunderbolt™ 3 PC/Mac host. It cannot be connected to the host only with USB-C interface. Please refer to the following explanation.  

RAID 0 functionality increases storage speed and performance

The new SR4-TB3 is equipped with RAID 0 storage mode, which enables user to attain up to 1500MB/s read speed with SR4-TB3's Thunderbolt™ transmission interface. Whether it is used for searching and editing photo galleries, or video editing and synthesis, it promises to deliver a smooth and easy operation.

RAID 5 mode provides highest data parity function ensure your data security

RAID 5 mode provides both of the read-&-write efficiency and the data protection features for your daily works.  Under RAID 5 mode, SR4-TB3 would need at least 3 or more HDDs to start working.  And if anyone of your HDDs is defect, your SR4-TB3 would still work fine for you, but just with no more data protection feature.  Comparing to RAID 0 and RAID 1 modes, it's no doubt that RAID 5 is your best choice.

SR4-TB3 to support 4 x 3.5" / 2.5" SAS/SATA HDD/SSD

To bundle with four new easy-to-use Trays, SR4 supports any kinds of 3.5" & 2.5" SAS/SATA HDD/SSD.  And also, SR4's aluminum housing help protecting your data from its solid structure design and the excellent heat dissipation.
Since this new easy-to-use Tray is dimensional compliant to all our Stardom products, you could easily transfer your data among different storage devices.  And also, its key lock design could provide a double protection at your data from any improper Tray extracting.

To support SGPIO feature (Serial General Purpose Input & Output)


SR4-TB3 provides the SGPIO (Serial General Purpose Input & Output) features.   The SGPIO feature detects the following system failure symptoms by different LED signal, user is easily to find out which HDD(s) defect to ensure SR4-TB3 running smoothly.

Compact and Portable too 

For field editing applications, the SR4-TB3 can be made portable as it comes with a grip handle, which you can choose to install for making creative contents mobile convenient and less bulky.


MCU feature to provide you in-chassis temperature control

SR4-TB3 is also designed with the MCU feature which monitors and helps improving its in-chassis system temperature.  While the system temperature rises up to 55 degree-C (131 degree-F), MCU will bump up the fans with full speed; and once system temperature goes down to 50 degree-C (122 degree-F), you could manually adjust fan switch on the rear, MCU would reduce the fan speed down to a half speed for a better green user environment from a less fan noise and lower power consumption.


The solid aluminum chassis pluses one powerful low noise Fans

SR4-TB3's solid chassis is made by a thickness aluminum-alloy plate.  And its aluminum housing and the FANs (with safe FAN GUARDs) really help an efficient heat dissipation for your long time use.

The built-in power supply unit

SR4-TB3 uses conform with safety regulation certified 180W power supply unit which provides a stable and high efficient power output and definitely satisfies the big power consumption from all 4 HDDs.

Advanced power management

SR4-TB3 uses energy-efficient hardware components that work hand in hand with the Mac system to conserve power. It spins down hard drives and activates sleep mode after a period of inactivity.

Thunderbolt™ 3 The USB-C that does it all


All our Thunderbolt™3 products support USB C type connector and you could always use it to charge not only your mobile phone but notebook thru its 15W 5V/3A PD (Power Delivering) feature.


All our Thunderbolt™ 3 products also support a Mini DisplayPort which gives you a very easy way to connect to your display device.  This Mini DisplayPort is fully complaint to all the existing DVI, HDMI, and VGA display devices thru an adapter.


More Thunderbolt™ 3 features >>>>


Thunderbolt™ 3 With SR4-TB3 Stylish and Rugged


The SR4-TB3 has a sleek exterior design that’ll never go out of style when placed next to your Mac. It’s also  built tough with thickness aluminum to shield the enclosed drives durably and to dissipate the heat created by the drives faster for the drives to work comfortably.


More ST8-TB3 product information  >>>>

More ST4-TB3 product information  >>>>


Just to use SR4-TB3 for data backup

You can also easily extend your device with Thunderbolt™ 3 (USB-C) interface, which connects to a iMac Pro device with Thunderbolt™ 3 (USB-C) interface. Your iMac Pro could connect to one SR4-TB3 for a huge memory storage capacity thru its high performance Thunderbolt™ 3 interface.  You could definitely enjoy its huge memory capacity together with the RAID 1 for an excellent data protection.

To help you complete your photography projects

With two ultrafast Thunderbolt™ 3 ports, you can build a photo studio around Macbook Pro and SR4-TB3. Or take them with you and import thousands of RAW images on location. Once your photos are on your computer, editing in Aperture is faster and more responsive than before.


SR4-TB3's RAID 0 mode lets you quickly browse large image libraries from external storage. So you have instant access to any photo in your library.

Product View


Model No SR4-TB3-B
Thunderbolt 3 Port x 2( up to 40 Gbps ), Support 15W (5V/3A) Power Delivery.
Mini DisplayPort x 1
Compatible Drive 4 x 3.5" / 2.5" SAS/SATA HDD/SSD ( up to 6 Gbps )  
Storage Mode RAID 0, 1, 5, 10 and JBOD 
Certifications CE & FCC
Operating System 
Windows 7 (64-bit), Windows 10 (64-bit) and later, macOS 10.13 and later*
For PC, Windows 10 (64-bit) and later is recommended
Cooling System 8cm Low noise fan x 1
Electrical and 
* Line voltage: 100-240V AC
* Frequency: 50Hz to 60Hz, single phase
* Maximum continuous power: 180W
* Operating temperature: 32° to 104° F (0° to 40° C)
* Storage temperature: -4° to 113° F (-20° to 45° C)
* Relative humidity: 5% to 95% noncondensing
Size and Weight Height: 166 mm   Width: 124 mm    Depth: 265 mm  
Product Code SR4-TB3-B 
Carton 4 pcs per carton
Package Accessories * SR4-TB3 x 1 ( with removable drive tray enclosed x 4 )
* Thunderbolt Cable x1
* Power Cord x1
* Accessory Kit 
* Quick Installation Guide x1
Remarks * Please be advised the Marvell Storage Utility (MSU) has not been updated to
support macOS Catalina yet. Please remain on macOS Mojave until an updated is 


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>>>>  More Internal RAID Module

SR4-TB3-B Download

Image Download 1.MSU Utility,MSU Utility Manual & Driver Download & note
2.MSU for macOS 10.15.x or above

SR4-TB3-B Question & Answer


SR4-TB3-B HD Compatible List

Product Name BrandHD TypeHD CategoryModel NumberCapacity Note
SR4-TB3-BSeagate2.5" HDD ST2000NX02532TB
SR4-TB3-BToshiba2.5" HDD MK5055GSX500GB
SR4-TB3-BToshiba2.5" HDD MQ01ABF050500GB
SR4-TB3-BToshiba2.5" HDD MQ01ACF050500GB
SR4-TB3-BToshiba2.5" HDD MK6459GSX640GB
SR4-TB3-BToshiba2.5" HDD MQ01ABD1001TB
SR4-TB3-BSeagate2.5" SAS HDD ST9146803SS164GB (SAS)
SR4-TB3-BToshiba2.5" SAS HDD 14SEB120N1.2TB
SR4-TB3-BADATA2.5" SSDUltimate SU800256GB
SR4-TB3-BKingston2.5" SSD SHSS37A240GB
SR4-TB3-BSamsung2.5" SSD 850 Pro128GB
SR4-TB3-BHGST3.5" HDDUltrastarHUS724040ALA6404TB
SR4-TB3-BHGST3.5" HDDUltrastarHUS724040ALE6404TB
SR4-TB3-BHGST3.5" HDDUltrastarHUS726060ALA6406TB
SR4-TB3-BHGST3.5" HDDUltrastarHUS726060ALE6106TB
SR4-TB3-BHGST3.5" HDDUltrastarHUH728080ALE6008TB
SR4-TB3-BHGST3.5" HDDUltrastarHUH721010AL520010TB
SR4-TB3-BSeagate3.5" HDDExos X14ST14000NM042814TB
SR4-TB3-BSeagate3.5" HDDIronWolf Pro (NAS)ST14000NE000814TB
SR4-TB3-BToshiba3.5" HDD DT-01ACA-1001TB
SR4-TB3-BToshiba3.5" HDD MK1002TSKB1TB
SR4-TB3-BToshiba3.5" HDD DT-01ACA-2002TB
SR4-TB3-BToshiba3.5" HDD MK2002TSKB2TB
SR4-TB3-BToshiba3.5" HDD MG04ACA200E2TB
SR4-TB3-BToshiba3.5" HDD DT-01ACA-3003TB
SR4-TB3-BToshiba3.5" HDD MG03ACA3003TB
SR4-TB3-BToshiba3.5" HDD MG03ACA4004TB
SR4-TB3-BToshiba3.5" HDD MG04ACA50DE5TB
SR4-TB3-BWD3.5" HDDBlackWD5003AZEX500GB
SR4-TB3-BWD3.5" HDDBlueWD5000AAKX500GB
SR4-TB3-BSeagate3.5" SAS HDD ST6000NM0034 6TB
SR4-TB3-BSeagate3.5" SAS HDD ST8000NM00758TB
SR4-TB3-BSeagate3.5" SAS HDD ST6000NM00956TB
SR4-TB3-BSeagate3.5" HDDIronWolf Pro (NAS)ST8000NE0018TB
SR4-TB3-BSeagate3.5" HDDIronWolf (NAS)ST8000VN0048TB
SR4-TB3-BHGST3.5" HDD HUH721008ALE6008TB
SR4-TB3-BWD3.5" HDD HUH721010ALE60010TB
SR4-TB3-BWD3.5" HDD HUH721010ALE60410TB
SR4-TB3-BWD3.5" HDD HUH721212ALE60012TB
SR4-TB3-BWD3.5" HDD HUH721212ALE60412TB
SR4-TB3-BSeagate3.5" HDD ST8000VX00028TB
SR4-TB3-BSeagate3.5" HDD ST1000NM00081TB
SR4-TB3-BSeagate3.5" HDDExos X14ST14000NM004814TB
SR4-TB3-BSeagate3.5" HDDExos X14ST14000NM001814TB
SR4-TB3-BSeagate2.5" SSD XA480LE10063480GB
SR4-TB3-BSeagate2.5" SSD ZA960NM10001960GB
SR4-TB3-BSeagate3.5" HDD ST8000VX00028TB
SR4-TB3-BSeagate3.5" HDD ST6000VX0016TB
SR4-TB3-BSamsung2.5" SSD MZ-76E250BW250GB
SR4-TB3-BSamsung2.5" SSD MZ-76E500BW 500GB
SR4-TB3-BSamsung2.5" SSD MZ-76E1T0BW 1TB
SR4-TB3-BSamsung2.5" SSD MZ-76E2T0BW2TB
SR4-TB3-BSamsung2.5" SSD MZ-76E4T0BW4TB
SR4-TB3-BWD3.5" HDD WUH721414ALE6L414TB
SR4-TB3-BSeagate3.5" HDD ST16000NM001G16TB
SR4-TB3-BSeagate3.5" HDD ST16000VN00116TB
SR4-TB3-BSeagate3.5" HDD ST14000VN000814TB
SR4-TB3-BSeagate3.5" HDD ST14000NM001G14TB
SR4-TB3-BSeagate3.5" HDD ST12000NM001G12TB
SR4-TB3-BSeagate3.5" HDD ST10000NM001G10TB
SR4-TB3-BWD3.5" HDD WUH721414AL520414TB
SR4-TB3-BSeagate3.5" HDD ST16000NM002G16TB
SR4-TB3-BToshiba3.5" HDD MG06ACA10TE10TB
SR4-TB3-BSeagate3.5" HDD ST16000NE00016TB
SR4-TB3-BWD2.5" SSD WDS500G1R0A500GB
SR4-TB3-BSeagate3.5" SAS HDD ST8000NM001A8TB
SR4-TB3-BSeagate3.5" HDD ST8000NM000A8TB
SR4-TB3-BSeagate3.5" HDDIronwolfST6000VN0016TB
SR4-TB3-BSeagate2.5" SSDIronWolf 125ZA4000NM10002 4TB
SR4-TB3-BSeagate2.5" SSDIronWolf Pro 125ZA3840NX100013.84TB
SR4-TB3-BWD3.5" HDDUltrastar DC HC520HUH721212ALE60012TB
SR4-TB3-BSeagate3.5" HDDSkyHawk AIST16000VE00016TB
SR4-TB3-BSeagate3.5" HDDIronWolf ProST18000NE00018TB
SR4-TB3-BSeagate3.5" HDDExos X18ST18000NM000J18TB
SR4-TB3-BSeagate3.5" HDDIronwolfST10000VN00010TB
SR4-TB3-BSeagate3.5" HDDIronWolf ProST10000NE00010TB
SR4-TB3-BSeagate3.5" HDDSkyHawk AI ST18000VE00218TB
SR4-TB3-BSeagate3.5" HDDIronWolfST12000VN000812TB
SR4-TB3-BSeagate3.5" HDDExos 7E10ST10000NM017B10TB
SR4-TB3-BSeagate3.5" HDDIronWolf ProST20000NE00020TB
SR4-TB3-BSeagate3.5" HDDExos X20ST20000NM007D20TB