Mini-SAS Hardware RAID Docking with Thunderbolt™ 3

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


Your best choice for Thunderbolt 3 expansion

Thru its two miniSAS ports, SA2TB3 could let your Mac or PC connect to 8 more external SAS or SATA storage enclosures thru its two Thunderbolt 3 Host Interface Port.


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.  


High efficiency Hardware RAID Docking Station for storage products

SA2TB3 is designed with the high efficiency hardware RAID features for RAID 0, 1, 5, 6, 10, 50, 60 and JBOD modes. You could use an easy user interface tool of MSU, the Marvell GUI Utility, for setting up any of the RAID mode to fit into all your data protection or high data transfer requirements.   

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 SA2TB3 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" and "MIGRATE" 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.

MSU Utility also gives you a very smart feature, called "MIGRATE".  "MIGRATE" lets you easily change your RAID setting. You no need reset your new RAID storage, and just only use "MIGRATE" function of MSU Utility, to migrate easily your RAID configure.


Adjust performance according to application flexibility

SA2TB3 use Marvell software, to adjust the hard drive and SA2TB3 transfer data via the "stripe size" function, so that SA2TB3 based on your use "stripe size" to achieve the most stable and fastest performance.

The intimate function adjustment and fault signal display design

The Power LED and system Failure Indications at Front Bezel tell you if your storage product is working properly. Also, SA2TB3 could let you adjust a lower fan speed thru a Fan Speed Control Switch at Front Bezel as well to meet a less power consumption and lower noise green environment!  By the way, in order to protect your data from damaging to HDD by heat, it has a smart in-chassis thermal sensor design to turn on a full speed at the Fan while reaching to 55ºC.  And the smart sensor returns the Fan Speed Control back to the Fan Speed Control Switch while the in-chassis temperature drops down to 50ºC.


In addition, if the fan fails or the device temperature is too high, the buzzer will beep and let the user know that the device has failed. The user can turn off or turn on the buzzer through the mute adjustment switch on the front panel.

Its Mini DisplayPort to give you an easy connecting to display device

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.

The solid iron chassis and the two powerful Silent Fans

SA2TB3's solid chassis is made by a thickness iron plate.  And its iron housing and the two 4 cm FANs (with safe FAN GUARDs) really help an efficient heat dissipation for your long time use.


LTO (Linear Tape-Open)  Drive Bridge to Thunderbolt 3



A solid and durable structure with a stylish chassis design

SA2TB3 is having a stylish chassis design. You could put an iMac or a monitor while using your Mac or PC on top of its solid and durable mechanism structure for space saving purpose. And also, its icon sheet metal chassis could also help an excellent heat dissipation to keep a cool working environment for all its electronic parts.

A good Docking to connect to your storage products

SA2TB3 helps connecting your Mac or PC to any miniSAS storage product.  And once you buy and upgrade your new Mac or PC (with TB3 interface), you could still use all your existing miniSAS storage products from having this SA2TB3 docking product.


SA2TB3 applicable product list  >> ST8-U6

Product View



Model No SA2TB3-B Docking 
Thunderbolt 3 Port x 2 ( up to 40 Gbps )  >> For  host 
SFF-8644 miniSAS  Port x 2  >>  For Device
Storage Mode RAID 0, 1, 5, 6, 10, 50, 60 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 4cm Low noise fan x 2
Electrical and 
* Line voltage: 100-240V AC
* Frequency: 50Hz to 60Hz, single phase
* 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: 44 mm   Width: 427 mm    Depth: 200 mm    Weight: 2.24 kg
Product Code EAN: 4711132866742
UPC: 884826504177

Carton 2 pcs per carton
Package Accessories * SA2TB3 x 1
* Thunderbolt Cable x1
* Power Cord x1
* Accessory Kit 
* S.G.P.I.O module (Optional)
* Quick Installation Guide x1


More videos about MSU  >>>>

SA2TB3-B (EOL) Download

MSU Utility,MSU Utility Manual & Driver Download & note

SA2TB3-B (EOL) Question & Answer ( uses cookies to improve site functionality and your overall experience by storing necessary information for service delivery. By continuing, you consent to our use of cookies as detailed in our Privacy Policy, which provides more information about this usage. (Accept cookies to continue browsing the website)