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EZ-Adapter Ex MB931U-1VB R1

USB-C+A Gen 2 (10Gbps) to U.2 NVMe SSD Thunderbolt 4 Port Compatible Reader Adapter
Product Details
  • The EZ-Adapter Ex MB931U-1VB R1 provides SMB, power users, and media professionals the quickest and easiest way to access their enterprise-level U.2 PCIe NVMe SSDs. The EZ-Adapter Ex utilizes a 10Gb/s USB 3.2 Gen 2 interface and is compatible with the USB 2.0 and Thunderbolt interfaces for best system compatibility. In addition, the tool-less drive installation design allows users to transfer large files from multiple U.2 SSDs to any computer through a USB connection without having NVMe support on the computer end.
  • Access Your NVMe SSD with or without a drive tray
    The all-new re-engineered EZConvert Ex MB931U-1VB R1 eliminated the drive guider to accommodate third-party drive caddy/trays from Dell, HP, SuperMicro, and other manufacturers. This redesign creates an even more efficient way of accessing data as the U.2 SSDs no longer need to be unscrewed or disassembled from their drive trays. The tool-less drive installation allows the MB931U-1VB R1 to swap multiple drives within seconds, making the process seamless.
  • The benefits of using U.2 NVMe SSDs are fast IOPS, high storage capacity, long lifespan, end- to-end path protection (ETEP), and power loss protection (PLP). However, accessing U.2 drive required an NVMe host and specific cables, making the data transfer between the systems almost impossible. With EZ-Adapter Ex MB931U-1VB R1, simply connect the U.2 SSD to the EZ-Adapter Ex and then plug the USB type A or USB type C connector into the system to start the data transfer immediately.
  • For video professionals who film 12K footage with Blackmagic URSA Mini Pro 12K camera and U.2 SSD, the EZ-Adapter MB931U-1VB R1 is an excellent NVMe SSD media reader that lets you quickly access your U.2 media drives in seconds.
  • To fully utilize the power of the U.2 PCIe NVMe SSD, the EZ-Adapter Ex uses the USB 3.2 Gen 2 interface that can provide transfer speeds up to 10Gbp/s, giving you the ability to back up large data files or store 4K/5K/8K videos in seconds. A 12V power supply is included to ensure enough power is provided for the power-hungry U.2 SSD.
  • The exposed U.2 SSD from the enclosure allows full passive heat dissipation to optimize cooling performance.
  • Compact for Portable
    The MB931U-1VB R1 has been engineered for mobility but does not compromise functionality and durability. The EZ-Adapter Ex is made out of durable ABS plastic with a smooth finish that will not damage other equipment when placed in your carry-on bag. The compact design allows the EZ-Adapter Ex to be carried without taking too much space.
  • Ultimate Compatibility
    The MB931U-1VB R1 comes with a USB type C to C cable for USB-C and Thunderbolt 4 ports and a USB type C to A cable for USB-A ports to cover both new and legacy systems, making the EZ-Adapter Ex a true plug and play external NVMe SSD enclosure with no drivers or software required.
  • LED Indications
    The EZ-Adapter Ex is equipped with a LED indicator that shows the drive power and activity. The individual slide-switch power button allows users to power off the SSD when not used to extend the drive’s lifespan and conserves electricity.
  • Pair it with the M.2 to U.2 NVMe SSD adapter (EZConvert MB705M2P-B)
    If you want to access M.2 NVMe SSDs with EZ-Adapter MB931U-1VB, the EZConvert MB705M2P-B M.2 to U.2 SSD adapter converts M.2 NVMe SSD to the U.2 NVMe SSD, giving you the utmost flexibility of accessing U.2 and M.2 NVMe drives through EZ-Adapter Ex.
  • Pair it with the ToughArmor MB601M2K-1B M.2 NVMe SSD mobile rack
    The ToughArmor MB601M2K-1B mobile rack supports PCIe 4.0 transfer speeds up to 64Gbps and fits into a computer system's standard 3.5" drive bay. Pair it with EZ-Adapter Ex MB931U-1VB R1 gives you both PCIe 4.0 transfer speed and on-the-go convenience.
Which EZ-Adapter Ex MB931U-1VB is right for you?
Model MB931U-1VB MB931U-1VB-1
(Special Order Only)
MB931U-1VB R1
Product Appearance
Product Dimension
(L x W x H)
92 x 54.2 x 18.2mm 92 x 54.2 x 18.2mm 91.94 x 54.2x 18.2mm
Net Weight 47.5g 47.5g 46.3g
Gross Weight 314.8g 314.8g 318.9g
Power Adapter Include Customers buy separately to meet the local safety regulation Include
Compatible With • U.2 solid-state drives • U.2 solid-state drives • U.2 solid-state drives
• U.2 solid-state drives Trays
Main Features
Supports 1x U.2 PCIe NVMe SSD
10,000+ rated insertion and removal cycle connector
Supports transfer speeds up to 10Gb/s via USB 3.2 Gen 2
Tool-less SSD installation design with or without a drive tray
Compatible with USB 2.0 and Thunderbolt 4 Interfaces
Cool blue drive activity LED indicator
Large slide-switch on/off drive power button
DC 12V Power Adapter included to power U.2 NVMe SSD
USB Type C to C & C to A cables are included for the best performance & system compatibility
Industry-leading 3-year warranty with complimentary tech support & customer service
Compatible with M.2 NVMe PCIe SSD when paired with EZConvert MB705M2P-B

Model Number: MB931U-1VB R1
Color: Black
Support Drive Size: 1 x 2.5" U.2 NVMe SSD (up to 15mm height)
Host Interface: USB-C 3.2 Gen 2 (Thunderbolt 4 compatible)
Power Input: DC 12V/2A Power Adapter
Transfer Rate: Up to 10Gb/s (depending on hard drive speed)   
Controller IC: ASMedia - ASM2362
Structure / Material: ABS plastic
Dimension (W x H x L) 91.94 x 18.65 x 53.79mm
Product Net Weight 46.3g
Package Gross Weight 318.9g
Drive Activity LED Indication SSD power: solid blue; SSD access: flashing blue
Plug & Play Yes
Package Contents: Device, user manual, DC power adapter, USB 3.2 Gen 2 type C to A cable & type C to C cable
Humidity: 5%~65% RH
Operating Temperature: 0°C to 60°C (32°F to 140°F)
Storage Temperature: -35°C to 70°C (-31°F to 158°F)
Compliance: CE, RoHS, REACH
Warranty: 3 years

Related Products:

Related Products Series:

  • NVMe Enclosures
  • SAS/SATA Enclosures

Q: I installed the and the device is connected to my computer, but the drive is not detected.

A: There are some scenarios you can do to rule out potential problems.

Scenario 1 – Drive status LED is not lighting up



Scenario 2 - The drive status LED lights up, but the SSD is still not detectable



Scenario 3 - The SSD and the connected USB port do work normally, but the drive does not show up on my computer after connecting to my computer



Please contact tech@icydock.com if the problem persists so we can resolve the issue as soon as possible.


Q: Is there any known compatibility issue between EZ-Adapter Ex MB931U-1VB R1 and U.2 NVMe SSDs?

A: The EZ-Adapter Ex MB931U-1VB R1 uses an ASMeida ASM2362 chipset and is designed to be compatible with most of the U.2 NVMe SSD available on the market. See below for the latest known issues reported by the users and a list of compatible SSDs.

Note: the SSD issues listed below have only been reported by a few customers. It is still too early to say they are not compatible as the issues may be caused by SSD firmware and host configurations. We are verifying the compatibility with ASMedia and will constantly update the compatibility list. Meanwhile, we suggest using SSDs that are known to be worked with EZ-Adapter Ex MB931U-1VB R1.


Click here report a compatible/incompatible U.2/U.3 NVMe SSD. Your help is greatly appreciated!


U.2 NVMe SSDs known to have an issue with MB931U-1VB R1




U.2 NVMe SSDs verified to work with MB931U-1VB R1




ASMedia has released firmware to fix issues of detecting 2TB or above U.2 SSDs. If you encounter any problems while installing the drive, please contact tech@icydock.com for further assistance.


U.3 NVMe SSDs known to have an issue with MB931U-1VB R1



U.3 NVMe SSDs verified to work with MB931U-1VB R1



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