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

2 Thunderbolt™ 3 ports, 1 Mini DisplayPortHot-Swappable Drive




1.Hardware RAID that works seamlessly between Macs and PCs.

2.The GR8670-TB3 is equipped with eight configuration modes to suit every need.

●RAID 0/1/5/6/10/50/60/JBOD.

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

4.GR8670-TB3 to support 8 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

GR8670-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.GR8670-TB3 with RAID 5 or even RAID 6 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 GR8670-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, 6, 10 ,50, 60 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 GR8670-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" 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
GR8670-TB3 use Marvell software, to adjust the hard drive and GR8670-TB3 transfer data via the "stripe size" function, so that GR8670-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


GR8670-TB3 supports Thunderbolt 3 (TB3) interface for an extreme high data transfer speed.  And both of the two TB3 ports are equipped with up to 40Gb/s data transfer rate which is 4 times faster than USB 3.1 Gen 2 (USB 3.1) and 2 times than Thunderbolt 2 interface.

You could definitely use it to play your 4K high-resolution films with no any lagging hassle.  TB3 interface not only brings you this high data transfer rate advantage, it also let you chain maximum up to 6 GR8670-TB3 products (or other compatible storage products).

Faster data transfer speed

RAID 0 mode to help an efficiency


GR8670-TB3 provides RAID 0 mode, and pluses its Thunderbolt 3 interface protocol, it really gives you an excellent data transfer performance up to 1500MB/s.  It helps your heavy duty video or photos editing works in your Post-production studio.

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, GR8670-TB3 would need at least 3 or more HDDs to start working.  And if anyone of your HDDs is defect, your GR8670-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.

RAID 6 mode, double security is an even better solution in enterprise


To you, an Enterprise MIS supervisor, the data protection feature would be your first priority to choose your storage product.  Comparing to RAID 5, RAID 6 provides you a way better data protection level.  Under RAID 6 mode, GR8670-TB3 would need at least 4 HDDs to start working.  RAID 6 mode provides you the even better data protection than that of RAID 5's from its extremely ZERO Possibility that two HDDs become defect at the same time!  GR8670-TB3 still works perfect even though two of the whole HDDs are defect at the same time which won't happen at all!

To support charging to your notebook and mobile phone


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 Delivery) feature.

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.



GR8670-TB3 to support both of 3.5" HDD and 2.5" HDD & SSD products


To bundle with eight new easy-to-use Trays, GR8670-TB3 supports any kinds of 3.5" & 2.5" HDDs/SSDs.  And also, GR8670-TB3'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 RAIDON 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. 

The solid aluminum chassis pluses two powerful low noise Fans

GR8670-TB3's solid chassis is made by a thickness aluminum-alloy plate.  And its aluminum housing and the two 8 cm FANs (with safe FAN GUARDs) really help an efficient heat dissipation for your long time use.

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


GR8670-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 GR8670-TB3 running smoothly.

MCU feature to provide you in-chassis temperature control


GR8670-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.


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.

The built-in power supply unit

GR8670-TB3 uses conform with safety regulation certified 300W power supply unit which provides a stable and high efficient power output and definitely satisfies the big power consumption from all 8 HDDs.



Suitable for PC and Mac user


With Thunderbolt host interfaces, GR8670 can be used both in PC and MAC environment flexible.


More GR4670-TB3 Product information  >>>> 

More GR8680-TB3 Product information  >>>> 


Thunderbolt 3 With GR8670-TB3 Stylish and rugged
The GR8670-TB3 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.

Windows systems can also extend Thunderbolt storage devices

For Windows operating system environment, GR8670 is also the best tool for your external storage, you need Thunderbolt 3 card via GR8670 to set the different raid mode, and to expand high-speed external storage devices for your Server. 


Your Server could connect to one GR8670-TB3 and chain to at most 6 more GR8670-TB3 products for a huge memory storage capacity thru its high performance Thunderbolt 3 

Help you to achieve various photos editing 

Since GR8670-TB3 provides two Thunderbolt 3 ports, just use your MacBook Pro, you could set up your own full function photo studio right away.  You could then save tons of RAW images.  And of course, you could edit and process the images quickly once you set up your GR8670-TB3 with RAID 0 feature.  

GR8670-TB3 Product View

GR8670-TB3 Specification

Model No GR8670-TB3
Thunderbolt 3 Port x 2( up to 40 Gbps ), Support 15W (5V/3A) Power Delivering.
Mini DisplayPort x 1
Compatible Drive 8 x 3.5" / 2.5" SAS/SATA HDD/SSD ( up to 6 Gbps ) 
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 8cm Low noise fan x 2
Electrical and 
* Line voltage: 100-240V AC
* Frequency: 50Hz to 60Hz, single phase
* Maximum continuous power: 300W
* 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: 296 mm   Width: 140 mm    Depth: 282 mm    Weight:  4.525 kg
Product Code EAN:4713227440264

Carton 2 pcs per carton
Package Accessories * GR8670-TB3 x 1 ( with removable drive tray enclosed x 8 )
* 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 


GR8670-TB3 Download

1.MSU Utility,MSU Utility Manual & Driver Download & note
2.MSU for macOS Catalina (Beta)

GR8670-TB3 Question & Answer


GR8670-TB3 HD Compatible List

Product Name BrandHD TypeHD CategoryModel NumberCapacity Note
GR8670-TB3Seagate2.5" HDD ST2000NX02532TB
GR8670-TB3Toshiba2.5" HDD MK5055GSX500GB
GR8670-TB3Toshiba2.5" HDD MQ01ABF050500GB
GR8670-TB3Toshiba2.5" HDD MQ01ACF050500GB
GR8670-TB3Toshiba2.5" HDD MK6459GSX640GB
GR8670-TB3Toshiba2.5" HDD MQ01ABD1001TB
GR8670-TB3Seagate2.5" SAS HDD ST9146803SS146GB (SAS)
GR8670-TB3Toshiba2.5" SAS HDD 14SEB120N1.2TB
GR8670-TB3ADATA2.5" SSDUltimate SU800256GB
GR8670-TB3Kingston2.5" SSD SHSS37A240GB
GR8670-TB3Samsung2.5" SSD 850 Pro128GB
GR8670-TB3Hitachi3.5" HDDUltrastarHUS724040ALA6404TB
GR8670-TB3Hitachi3.5" HDDUltrastarHUS724040ALE6404TB
GR8670-TB3Hitachi3.5" HDDUltrastarHUS726060ALA6406TB
GR8670-TB3Hitachi3.5" HDDUltrastarHUS726060ALE6106TB
GR8670-TB3Hitachi3.5" HDDUltrastarHUH728080ALE6008TB
GR8670-TB3HGST3.5" HDDUltrastarHUH721010AL520010TB
GR8670-TB3Seagate3.5" HDDExos X14ST14000NM042814TB
GR8670-TB3Seagate3.5" HDDIronWolf Pro (NAS)ST14000NE000814TB
GR8670-TB3Toshiba3.5" HDD DT-01ACA-1001TB
GR8670-TB3Toshiba3.5" HDD MK1002TSKB1TB
GR8670-TB3Toshiba3.5" HDD DT-01ACA-2002TB
GR8670-TB3Toshiba3.5" HDD MK2002TSKB2TB
GR8670-TB3Toshiba3.5" HDD MG04ACA200E2TB
GR8670-TB3Toshiba3.5" HDD DT-01ACA-3003TB
GR8670-TB3Toshiba3.5" HDD MG03ACA3003TB
GR8670-TB3Toshiba3.5" HDD MG03ACA4004TB
GR8670-TB3Toshiba3.5" HDD MG04ACA50DE5TB
GR8670-TB3WD3.5" HDDGoldWD6002FRYZ6TB
GR8670-TB3WD3.5" HDDGoldWD8002FRYZ8TB
GR8670-TB3WD3.5" HDDRedWD100EFAX10TB
GR8670-TB3WD3.5" HDDBlackWD5003AZEX500GB
GR8670-TB3WD3.5" HDDBlueWD5000AAKX500GB
GR8670-TB3Seagate3.5" SAS HDD ST6000NM0034 6TB
GR8670-TB3Seagate3.5" SAS HDD ST8000NM00758TB
GR8670-TB3Seagate3.5" SAS HDD ST6000NM00956TB
GR8670-TB3Seagate3.5" HDDIronWolf Pro (NAS)ST8000NE0018TB
GR8670-TB3Seagate3.5" HDDIronWolf (NAS)ST8000VN0048TB
GR8670-TB3WD2.5" SSD WDS200T2B0A2TB
GR8670-TB3HGST3.5" HDD HUH721008ALE6008TB
GR8670-TB3WD3.5" HDD HUH721010ALE60010TB
GR8670-TB3WD3.5" HDD HUH721010ALE60410TB
GR8670-TB3WD3.5" HDD HUH721212ALE60012TB
GR8670-TB3WD3.5" HDD HUH721212ALE60412TB
GR8670-TB3Samsung2.5" SSD MZ-76E250BW250GB
GR8670-TB3Samsung2.5" SSD MZ-76E500BW 500GB
GR8670-TB3Samsung2.5" SSD MZ-76E1T0BW 1TB
GR8670-TB3Samsung2.5" SSD MZ-76E2T0BW2TB
GR8670-TB3Samsung2.5" SSD MZ-76E4T0BW4TB
GR8670-TB3Seagate3.5" HDD ST16000NM001G16TB
GR8670-TB3Seagate3.5" HDD ST16000VN00116TB
GR8670-TB3Seagate3.5" HDD ST14000VN000814TB
GR8670-TB3Seagate3.5" HDD ST14000NM001G14TB
GR8670-TB3Seagate3.5" HDD ST12000NM001G12TB
GR8670-TB3Seagate3.5" HDD ST10000NM001G10TB
GR8670-TB3WD3.5" HDD WUH721414AL520414TB
GR8670-TB3Seagate3.5" HDD ST16000NM002G16TB
GR8670-TB3Toshiba3.5" HDD MG06ACA10TE10TB
GR8670-TB3WD2.5" SSD WDS500G1R0A500GB
GR8670-TB3WD2.5" SSD WDS100T1R0A1TB
GR8670-TB3WD2.5" SSD WDS200T1R0A2TB
GR8670-TB3WD2.5" SSD WDS400T1R0A4TB
GR8670-TB3Seagate3.5" SAS HDD ST8000NM001A8TB
GR8670-TB3Seagate3.5" HDD ST8000NM000A8TB
GR8670-TB3Seagate3.5" HDDIronwolfST6000VN0016TB
GR8670-TB3Seagate2.5" SSDIronWolf 125ZA4000NM10002 4TB
GR8670-TB3Seagate2.5" SSDIronWolf Pro 125ZA3840NX100013.84TB
GR8670-TB3WD3.5" HDD WD181KFGX18TB
GR8670-TB3WD3.5" HDDUltrastar DC HC520HUH721212ALE60012TB
GR8670-TB3WD3.5" HDDRed ProWD121KFBX12TB
GR8670-TB3WD3.5" HDDRedWD120EFAX12TB
GR8670-TB3Seagate3.5" HDDSkyHawk AIST16000VE00016TB
GR8670-TB3Seagate3.5" HDDIronWolf ProST18000NE00018TB
GR8670-TB3Seagate3.5" HDDExos X18ST18000NM000J18TB
GR8670-TB3Seagate3.5" HDDIronwolfST10000VN00010TB
GR8670-TB3Seagate3.5" HDDIronWolf ProST10000NE00010TB
GR8670-TB3Seagate3.5" HDDSkyHawk AI ST18000VE00218TB
GR8670-TB3Seagate3.5" HDDIronWolfST12000VN000812TB
GR8670-TB3Seagate3.5" HDDExos 7E10ST10000NM017B10TB
GR8670-TB3Seagate3.5" HDDIronWolf ProST20000NE00020TB
GR8670-TB3Seagate3.5" HDDExos X20ST20000NM007D20TB