Hardware RAID 5 Storage supports 4-Bay 2.5”/3.5” SATA III HDD/SSD

Supports 24W USB Power Delivery, and One DisplayPort support DP1.1a for 2nd monitor expansion


Provides one USB 3.2 Type-C, eSATA interface, Hot-Swappable Drive, LCM and Touch Button





1. All new design with LCM and Touch Button hardware RAID solution

● Touch button make SR4-SB31+ is not only a more safety product but also has the elegant outlook

2.  The best data storage solution for monitor expansion and charging


● Support 24W (12V/2A) / 18W (9V/2A) / 15W ( 5V/3A ) Power Delivery Charging for notebook and mobile phone 


● DP 1.1a DisplayPort connect DVI、HDMI、VGA display devices


3. SR4-SB31+ is with three RAID modes based on needs, RAID 5 is for Real-Time Recover


● Support RAID 0/5/JBOD modes

4. USB 3.2 Type C & eSATA interface, suitable for MAC or PC


● Support USB 3.2, Plug and Play


● Support USB Type-C interface, reversible.


5.  Support both of 3.5" HDD and 2.5" HDD & SSD 


● Plug and play and Hot-Swappable Drive


6.  Designed with Aluminum Construction for High Quality and Fast Heat Dissipation

7.  Low noise fan design with fast heat dissipation


All new design with LCM and Touch Button hardware RAID solution


The SR4-SB31 is an all in one hardware RAID solution that embeds the JMB394 RAID controller chipset that require no extra cards. It is economical and efficient RAID storage, that can be easily connected to a computer, completed the installation and switched the RAID mode levels based on needs.



The benefit of Touch Button


The newly exterior of SR4-SB31+ is designed with the touch button for power and setting function for the user friendly. Firstly User just need to turn on the power switch on the backplane and can touch power on and off the device for ease use at all the times.


It also has the special design on the power-off mode to avoid the users accidentally touch the power and the device shut down immediately. All features make SR4-SB31+ is not only a more safety product but also has the elegant outlook.

User-friendly LCM display

Equipped with clear readable LCM display and LED indicators for system monitoring during operation, so users can easily grasp the status of the system at all times. Moreover, it comes with visual and audio alarms whenever failure occurs.


The best data storage solution for monitor expansion and charging 


The SR4-SB31+ supports USB 3.2 Protocol which gives you an up to 3Gbps data transfer rate. You could easily use it for storage data and editing your huge photo galleries directly from your Macbook Pro (Type-C) from its easy and friendly to use features.


The Type-C connector provides 24W (12V/2A) / 18W (9V/2A) / 15W ( 5V/3A ) USB Power Delivery (PD) that can charging the notebook and mobile phone when data been accessing. SR4-SB31+ also provides one DP 1.1a DisplayPort for 2nd monitor expansion.


SR4-SB31+ is with three RAID modes based on needs, RAID 5 is for Real-Time Recover


The SOHORAID SR4-SB31+ is a four drive storage system with JBOD / RAID 0 / RAID 5 storage option for storing contents in large scales. Industrially designed with aluminum exterior, that is tough and durable for hard drive protection of the highest grade.
Stardom SR4-SB31+ enables you to back up your documents, family photos, event movies, downloaded files, or other digital assets reliably and efficiently. If a hard drive happens to fail, simply swap out the defective drive and replace with a new one.  You can keep working on your projects and SR4 will automatically rebuild the data in the background.

RAID 5 for data safety & RAID 0 for high-speed performance

SR4-SB31+ provides two storage options of RAID 5 or RAID 0. With RAID 5, a user will have the maximum protection of his/her data with allowance for a single drive failure but yet all data will be kept intact. In the RAID 0 mode, a user will have the benefit of a single massive volume for storage with high I/O speed, with sets of data being striped across the four enclosed drives.


USB 3.2 & eSATA interfaces for Mac & PC

With high-speed 3G e-SATA and USB 3.2 Type-C interfaces, the SR4-SB31+ can be used in both Mac & PC environments providing great convenience and flexibility.

Support USB 3.2, Plug and Play


The SR4-SB31+ is equipped with RAID 0 / RAID 5 / JBOD storage mode. Users can attain up to 250MB/s transmission data speed with USB 3.2 Type-C interface connected to Mac Pro Thunderbolt 3 (USB-C). Whether it is used for searching and editing photo galleries, or for video editing and synthesis, the SR4-SB31+ promises smooth and easy operation.


Support USB Type-C interface, reversible


The new SR4-SB31+ support the USB Type-C interface, which is based on the USB 3.2 specification, is designed to be identical in appearance. This means that users could easily insert any sides of USB cable without distinguish connector of the front or rear side.

Support both of 3.5" HDD and 2.5" HDD & SSD 


SR4-SB31+ is a 4-bay chassis provides you the big storage capacity and supports any kind of disk capability of 3.5" and 2.5" SATA/SSD HDD products. It is designed with strong aluminum extrusion and chassis provides an excellent protection for your storage disks that you could fully rely on it for professional creative or mobility heavy works. 

Tough and durable shielding body

The SR4-SB31+ has a seamless 4.0 mm thick all-aluminum housing that is rugged enough to withstand the most demanding of use. With aluminum body, the system dissipates heat faster for a greater stability and performance that also extends the lives of the drives.


Low noise fan design with fast heat dissipation


The new SR4-SB31+ has a built-in low-noise fan, to allows the device to quickly dissipate heat without affecting the transmission perofrmance. You could manually adjust fan switch on the rear.


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 back panel.

Compact and portable too

For field editing applications, the SR4-B31+  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.


Compatible with Time Machine

SR4-SB31+ is also compatible with Apple’s Time Machine™ to backup your critical system files, applications, data files, music, pictures, videos and more.

Use with iMac Pro, RAID 5 could back up the important data

You can also connect the USB 3.2 Type-C cable to an iMac Pro device, and set up the SR4-SB31+ device to the RAID 5 mode. It could easily to expand the capacity of your storage to achieve a full range of data backup without worrying about hard disk damaged or important information lost. 

Product View


Model No SR4-SB31+ (Silver) / SR4-SB31+B (Black) 
Interfaces eSATA Port x1,
USB 3.2 Type-C x1 ( up to 3Gbps ), 
Support 24W (12V/2A) / 18W (9V/2A) / 15W ( 5V/3A) Power Delivery.
DP 1.1a DisplayPort x1
Touch button function
Compatible Drive 4 x 3.5”/2.5" SATA III HDD/SSD ( up to 6 Gbps )
Certification CE/FCC
Storage Mode JBOD - Independent Mode 
RAID 0 - Speed Mode
RAID 5 - Safe Mode
Operating System 
Windows 7 or above, OS X 10.10 or above
Cooling System 8 cm Low noise fan
Electrical and 
Requirements * Line voltage: 100-240V AC
* Frequency: 50Hz to 60Hz, single phase
* Maximum continuous power: 150W
* 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: 166 mm  Width: 124 mm  Depth:  210 mm
Product Code SR4-SB31+

Carton 4 pcs per carton
Package Accessories * SR4-SB31+ x 1
* USB 3.2 (Type-C to Type-C) Cable x 1
* e-SATA Cable x 1
* Power Cord x1
* Accessory Kit 
* Quick Installation Guide x1
Note For DisplayPort (DP 1.1a) and USB Power Delivery (PD) functions,
It needs to be used with a USB Type-C to C cable, 
and the host must support these functions.


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SR4-SB31+ HD Compatible List

Product Name BrandHD TypeHD CategoryModel NumberCapacity Note
SR4-SB31+HGST3.5" HDDUltrastarHUS724040ALA6404TB
SR4-SB31+HGST3.5" HDDUltrastarHUS724040ALE6404TB
SR4-SB31+HGST3.5" HDDUltrastarHUS726060ALA6406TB
SR4-SB31+HGST3.5" HDDUltrastarHUH728080ALE6008TB
SR4-SB31+HGST3.5" HDDUltrastarHUA722020ALA3302TB
SR4-SB31+HGST3.5" HDDDeskstarHDS723030ALA6403TB
SR4-SB31+HGST3.5" HDDDeskstarHDS723030ALA6403TB
SR4-SB31+HGST3.5" HDDUltrastarHUA723030ALA6403TB
SR4-SB31+HGST3.5" HDDDeskstarHDS723020BLA6422TB
SR4-SB31+Seagate3.5" HDDIronWolf (NAS)ST10000VN000410TB
SR4-SB31+Seagate3.5" HDDIronWolf Pro (NAS)ST10000NE000810TB
SR4-SB31+Seagate3.5" HDDEnterpriseST10000NM001610TB
SR4-SB31+Seagate3.5" HDDIronWolf (NAS)ST12000VN000712TB
SR4-SB31+Seagate3.5" HDDIronWolf (NAS)ST10000VN000810TB
SR4-SB31+Seagate3.5" HDDIronWolf Pro (NAS)ST10000NE000410TB
SR4-SB31+Seagate3.5" HDDExos X14ST14000NM042814TB
SR4-SB31+Seagate3.5" HDDIronWolf Pro (NAS)ST14000NE000814TB
SR4-SB31+Seagate3.5" HDDIronWolfST6000VN0041 6TB
SR4-SB31+Seagate3.5" HDDConstellationST3000NM00113TB
SR4-SB31+Seagate3.5" HDDBarracudaST32000542AS2TB
SR4-SB31+Seagate3.5" HDDBarracudaST32000641AS2TB
SR4-SB31+Seagate3.5" HDDBarracudaST2000DL0032TB
SR4-SB31+Seagate3.5" HDDConstellationST32000644NS2TB
SR4-SB31+Seagate3.5" HDDConstellationST2000NM00112TB
SR4-SB31+Seagate3.5" HDDConstellationST2000NM00112TB
SR4-SB31+Toshiba3.5" HDD MG04ACA200E2TB
SR4-SB31+Toshiba3.5" HDD MG03ACA3003TB
SR4-SB31+Toshiba3.5" HDD MG03ACA4004TB
SR4-SB31+Toshiba3.5" HDD MG04ACA50DE5TB
SR4-SB31+WD3.5" HDDAV-GP VelociRaptorWD15EVDS1.5TB
SR4-SB31+WD3.5" HDDRedWD1503FYYS1.5TB
SR4-SB31+WD3.5" HDDGreenWD15EARS1.5TB
SR4-SB31+WD3.5" HDDGoldWD6002FRYZ6TB
SR4-SB31+WD3.5" HDDGoldWD8002FRYZ8TB
SR4-SB31+Seagate3.5" HDDIronWolf Pro (NAS)ST8000NE0018TB
SR4-SB31+Seagate3.5" HDDIronWolf (NAS)ST8000VN0048TB
SR4-SB31+HGST3.5" HDD HUH721008ALE6008TB
SR4-SB31+WD3.5" HDD HUH721010ALE60010TB
SR4-SB31+WD3.5" HDD HUH721010ALE60410TB
SR4-SB31+WD3.5" HDD HUH721212ALE60012TB
SR4-SB31+WD3.5" HDD HUH721212ALE60412TB
SR4-SB31+Seagate3.5" HDD ST3000NC0023TB
SR4-SB31+WD3.5" HDD WUH721414ALE6L414TB
SR4-SB31+Toshiba3.5" HDD MN06ACA10T10TB
SR4-SB31+Toshiba 3.5" HDD HDWG11AAZSTA10TB
SR4-SB31+Toshiba3.5" HDD HDWQ140AZSTA4TB
SR4-SB31+Toshiba3.5" HDD HDWN180AZSTA8TB
SR4-SB31+Toshiba3.5" HDD MG06ACA10TE10TB
SR4-SB31+Seagate3.5" HDD ST16000NE00016TB
SR4-SB31+WD2.5" SSD WDS500G1R0A500GB
SR4-SB31+WD2.5" SSD WDS100T1R0A1TB
SR4-SB31+WD2.5" SSD WDS200T1R0A2TB
SR4-SB31+WD2.5" SSD WDS400T1R0A4TB
SR4-SB31+Seagate3.5" HDD ST8000NM000A8TB
SR4-SB31+Seagate3.5" HDD ST16000VN00116TB
SR4-SB31+Seagate3.5" HDD ST14000VN000814TB
SR4-SB31+Seagate3.5" HDDIronwolfST6000VN0016TB
SR4-SB31+Seagate2.5" SSDIronWolf 125ZA4000NM10002 4TB
SR4-SB31+Seagate2.5" SSDIronWolf Pro 125ZA3840NX100013.84TB
SR4-SB31+WD3.5" HDDUltrastar DC HC520HUH721212ALE60012TB
SR4-SB31+WD3.5" HDDRed ProWD121KFBX12TB
SR4-SB31+Seagate3.5" HDDSkyHawk AIST16000VE00016TB
SR4-SB31+Seagate3.5" HDDIronWolf ProST18000NE00018TB
SR4-SB31+Seagate3.5" HDDExos X18ST18000NM000J18TB
SR4-SB31+Seagate3.5" HDDIronwolfST10000VN00010TB
SR4-SB31+Seagate3.5" HDDIronWolf ProST10000NE00010TB
SR4-SB31+Seagate3.5" HDDSkyHawk AI ST18000VE00218TB
SR4-SB31+Seagate3.5" HDDIronWolfST12000VN000812TB
SR4-SB31+Seagate3.5" HDDExos 7E10ST10000NM017B10TB
SR4-SB31+Seagate3.5" HDDIronWolf ProST20000NE00020TB
SR4-SB31+Seagate3.5" HDDExos X20ST20000NM007D20TB