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

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






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

2.The ST8-TB3-B is equipped with four configuration modes to suit every need.

●RAID 0/1/10/JBOD.

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

4.ST8-TB3-B to support 8 x 3.5" / 2.5" 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

ST8-TB3-B 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.ST8-TB3-B with RAID 0 or even RAID 10 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 ST8-TB3-B 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 4 different RAID modes, RAID 0, 1, 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 ST8-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

ST8-TB3 use Marvell software, to adjust the hard drive and ST8-TB3 transfer data via the "stripe size" function, so that ST8-TB3 based on your use "stripe size" to achieve the most stable and fastest performance.

Thunderbolt™ 3 brings you an extreme high data transfer speed

ST8-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 ST8-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 ST8-TB3-B is equipped with RAID 0 storage mode, which enables user to attain up to 1300MB/s read speed with ST8-TB3-B'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 10 functionality with data security and transmission performance


The ST8-TB3-B provides two RAID 10 functions. Users can see the storage capacity of the two entities on the operating system. With the data security of RAID 1 and the accelerated transmission performance of RAID 0, users can get the perfect combination of data security and transmission performance at the same time.

ST8-TB3-B to support 8 x 3.5" / 2.5" SATA HDD/SSD

To bundle with four new easy-to-use Trays, ST8 supports any kinds of 3.5" & 2.5" SATA HDD/SSD.  And also, ST8'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)


ST8-TB3-B 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 ST8-TB3 running smoothly.


MCU feature to provide you in-chassis temperature control


ST8-TB3-B 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 two powerful low noise Fans


ST8-TB3-B is designed with a rigid mechanical structure and covered by a high finishing quality aluminum chassis.  It's also designed with two 8 cm large quiet fans to help getting rid of heat efficiently!

The built-in power supply unit

ST8-TB3-B uses conform with safety regulation certified 250W power supply unit which provides a stable and high efficient power output and definitely satisfies the big power consumption from all 8 HDDs.


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.


More Thunderbolt™ 3 features >>>>


Thunderbolt™ 3 With ST8-TB3-B Stylish and Rugged

The ST8-TB3-B has a sleek exterior design that will 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 for the drives to work comfortably.


More SR8-TB3 product information  >>>>

More DR8M-TB3 product information  >>>>

More DR8-TB3 product information  >>>>

Just to use ST8-TB3-B for data back up and chain to at most 6 ST8-TB3-B products


Your iMac Pro with Mac OS Server could connect to one ST8-TB3-B and chain to at most 6 ST8-TB3-B products 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 or even RAID 10 setting 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 ST8-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.


ST8-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 ST8-TB3-B 
Interfaces Thunderbolt™ 3 Port x 2( up to 40 Gbps ), Support 15W (5V/3A) Power Delivery.
Mini DisplayPort x 1
Compatible Drive 8 x 3.5”/2.5" SATA III HDD/SSD ( up to 6 Gbps )
Certification CE/FCC
Storage Mode RAID 0, 1, 10 and JBOD
(Two RAID group, Support 4 HDDs maximum per RAID Group)
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 8 cm Low noise fan x2
Electrical and
* Line voltage: 100-240V AC
* Frequency: 50Hz to 60Hz, single phase
* Maximum continuous power: 250W
* Operating temperature: 32° to 104° F (0° to 40° C)
* Storage temperature: -4° to 116° F (-20° to 47° C)
* Relative humidity: 5% to 95% noncondensing
Size and Weight Height: 282 mm   Width: 140 mm    Depth: 296 mm   
Product Code ST8-TB3-B
Carton 2 pcs per carton
Package Accessories * ST8-TB3 x 1  (with removable drive tray enclosed x 8)
* Thunderbolt™ Cable x 1
* 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

ST8-TB3-B Download

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

ST8-TB3-B Question & Answer


ST8-TB3-B HD Compatible List

Product Name BrandHD TypeHD CategoryModel NumberCapacity Note
ST8-TB3-BToshiba2.5" HDD MQ01ABD1001TB
ST8-TB3-BADATA2.5" SSDUltimate SU800256GB
ST8-TB3-BIntel2.5" SSD SSD530120GB
ST8-TB3-BKingston2.5" SSD SHSS37A240GB
ST8-TB3-BKingston2.5" SSD SH103S3120GB
ST8-TB3-BSamsung2.5" SSD 850 Pro128GB
ST8-TB3-Bsilicon-power2.5" SSD S60120GB
ST8-TB3-Bsilicon-power2.5" SSD S70240GB
ST8-TB3-Bsilicon-power2.5" SSD S70120GB
ST8-TB3-Bsilicon-power2.5" SSD V60240GB
ST8-TB3-Bsilicon-power2.5" SSD V60120GB
ST8-TB3-BHGST3.5" HDDUltrastarHUS724040ALA6404TB
ST8-TB3-BHGST3.5" HDDMegaScaleHMS5C4040ALE6404TB
ST8-TB3-BHGST3.5" HDDUltrastarHUS724040ALE6404TB
ST8-TB3-BHGST3.5" HDDUltrastarHUH728080ALE6008TB
ST8-TB3-BSeagate3.5" HDDIronWolf Pro (NAS)ST14000NE000814TB
ST8-TB3-BToshiba3.5" HDD MG04ACA200E2TB
ST8-TB3-BToshiba3.5" HDD MG04ACA50DE5TB
ST8-TB3-BWD3.5" HDDAV-GP VelociRaptorWD4000F9YZ4TB
ST8-TB3-BWD3.5" HDDBlueWD5000AAKX500GB
ST8-TB3-BSeagate3.5" HDDIronWolf Pro (NAS)ST8000NE0018TB
ST8-TB3-BSeagate3.5" HDDIronWolf (NAS)ST8000VN0048TB
ST8-TB3-BHGST3.5" HDD HUH721008ALE6008TB
ST8-TB3-BWD3.5" HDD HUH721010ALE60010TB
ST8-TB3-BWD3.5" HDD HUH721010ALE60410TB
ST8-TB3-BWD3.5" HDD HUH721212ALE60012TB
ST8-TB3-BWD3.5" HDD HUH721212ALE60412TB
ST8-TB3-BSeagate3.5" HDD ST16000NE00016TB
ST8-TB3-BToshiba3.5" HDD MN07ACA12T12TB
ST8-TB3-BWD2.5" SSD WDS500G1R0A500GB
ST8-TB3-BSeagate3.5" HDD ST8000NM000A8TB
ST8-TB3-BSeagate2.5" SSDIronWolf 125ZA4000NM10002 4TB
ST8-TB3-BSeagate2.5" SSDIronWolf Pro 125ZA3840NX100013.84TB
ST8-TB3-BWD3.5" HDDUltrastar DC HC520HUH721212ALE60012TB
ST8-TB3-BSeagate3.5" HDDSkyHawk AIST16000VE00016TB
ST8-TB3-BSeagate3.5" HDDIronWolf ProST18000NE00018TB