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External M.2 SATA SSD case with integrated USB 3.1 (Gen2) Type-C™ cable


• External enclosure for M.2 SATA SSD
• Toolless installation
• USB 3.1 (Gen2) up to 10 Gbit/s
• Integrated USB Type-C™ cable
• B-Key socket for B-Key or B+M-Key cards
• For 22x30/42/60/80 mm M.2 cards





External M.2 SATA SSD case with integrated USB 3.1 (Gen2) Type-C™ cable

External enclosure for M.2 SATA SSD

Integrated USB Type-C™ cable - up to 10 Gbit/s

Toolless SSD installation

LED for power and access

Clip it

With the attachment clip the M.2 can be installed easily. In only a few steps it sits firm and well protected.

Our fastest!

With the new technology of USB 3.1, even greater data transfer rates are now achieved. USB 3.1 is downwards compatible, with the corresponding cables. The high data transfer rate of up to 10 Gbit/s is supported by the included USB 3.1 Type-C™ cable and only needs a suitable end device in the form of a PC, tablet or similar, with Windows® or macOS®.

A case with format

All usual M.2 formats can find a place inside the IB-185M2. Thanks to the pre-punched holes, M.2 SSDs with sizes 22x30/42/60/80 mm can be attached easily.


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up-downFrequently Asked Questions

Here you can find answers to the most frequently asked questions regarding our products.



What is M.2?

M.2 is a specification for internal expansion cards and was introduced under the name NGFF (Next Generation Form Factor), then officially renamed M.2. This standard is especially useful for compact and mobile devices such as notebooks and tablets due to its small size and different dimensions. M.2 SSDs are available in different versions. On the one hand there are different lengths of the SSDs and on the other hand two different protocols and interfaces which are used with M.2 SSDs. On the one hand the M.2 SSDs can be connected via PCIe and on the other hand with SATA.

What form factors are available?

The size of a M.2 card is given by width x length in millimeters. If there is a form factor of 2280 (22x80), the card is 22 mm wide and 80 mm long. M.2 allows widths of 12, 16, 22 or 30 mm and lengths of 30, 42, 60, 80 or 110 mm. Mainly widths of 22 mm are used. The most common M.2 SSDs are offered in lengths of 42, 60 and 80 mm.

M.2 SSDs are rectangular and have a male connector on each short side and a small recess on the other side to fix the SSD to the corresponding slot with a screw. Depending on the storage capacity, the SSDs are available with single-sided or double-sided PCBs.

What are M.2 Keys?

There are one or two notches at specific points on the connector (male). The M.2 connections are different according to these recesses and therefore also according to the transmission standard used. This special arrangement of the recess then defines the corresponding key. The most common keys for M.2 SSDs are the B-Key, M-Key and the B+M-Key. The B-Key is used for SATA (AHCI) SSDs, but can also use PCIe 3.0 with two lanes. The M-Key supports PCIe 3.0 SSDs with NVMe and four PCIe 3.0 lanes. The B+M key supports both standards, similar to the B key. Here either SATA (AHCI) or PCIe 3.0 x2 with NVMe are possible.


What do I have to know before buying?

Compatibility to the host computer?

Make sure that your SSD supports the same connector/key (male) as the socket (female) supplied by ICY BOX in the case or expansion card. For example, if you are using an M-Key PCIe SSD, make sure that the case also has an M-Key socket. Please refer to the product description, data sheet or manual for more information.

Is a M.2 PCIe SSD with NVMe protocol faster than a M.2 SATA SSD with AHCI protocol?

Yes, the SATA interface theoretically achieves a data transfer rate of up to 6 Gbps. The PCIe 3.0 x2 interface achieves a data transfer rate of up to 16 Gbps, PCIe 3.0 x4 up to 32 Gbps.

How do I know which M.2 drives work in this device?

Although M.2 SSDs are available in similar form factors, only an M.2 SATA (AHCI) drive with a B+M or B-Key connector will work with this enclosure. M.2 drives that support PCIe (NVMe) or use a different key are not compatible with this enclosure. Check the specification of your M.2 SSD. If the key and interface match, the combination of enclosure and SSD will work.


starting up

Is a special driver required?

No, because SATA and PCIe M.2 SSDs use the standard integrated AHCI drivers in the operating system. Also the NVMe protocol is supported from Windows 8.1 and Windows 10. Ideally you should still check if your drivers are up to date.

How do I install the SSD correctly?

  • Make sure that the socket and your SSD are compatible. (e.g. M.2 M-Key socket and M.2 M-Key PCIe NVMe SSD) Carefully insert the SSD into the socket at an angle of about 30 degrees.
  • Make sure that the socket and the SSD fit together perfectly and without resistance (principle: tongue and groove).
  • Now carefully push the SSD down onto the PCB and fix the SSD with the included screw.
  • If you use a heat sink, place the heat pad on the heat sink and place the heat sink on the SSD.
  • Make sure that the heat pad and the heat sink do not protrude over the SSD.

The enclosure becomes warm during use.

Slight heating of the enclosure, especially when writing and reading data, is completely normal. The enclosure is designed for passive cooling of the SSD. Especially PCIe NVMe SSD enclosures can have higher temperatures.

How to cool my SSD?

Basically, all ICY BOX enclosures are able to transfer heat passively to the outside via the enclosure. Both via the material aluminium, which is very heat conductive, and via integrated cooling fins on the enclosure, which increase the surface area of the enclosure and thus achieve improved heat dissipation. If your SSD is used internally, it is possible to mount the ICY BOX heat sinks on the SSD to improve heat dissipation and cool the SSD. Note that the heat sink requires space that may be limited in your system.

Can the enclosure also be connected to USB 3.0 or USB 2.0 ports?

Yes this is possible. Please note, however, that the data transfer rates are much lower in this case.

What happens if I plug an M.2 SSD PCIe 3.0 x4/NVMe into a port that only supports PCIe x2?

Basically the M.2 SSD will still work, but only with the data transfer rate of PCIe 3.0 x2 with maximum 16 Gbit/s instead of 32 Gbit/s.



Everything is connected, but no function.

To avoid possible problems, there are some quick tests that you can use. You can test if the following components work correctly and are not the cause of the problem:

  • Cables
  • SSD
  • Enclosure

To test your components, follow the steps below:

  • Use the cables, SSD and enclosures in a different configuration to see if the problem is with the components or the configuration In your setup.
  • Use a different cable, SSD and enclosure to see if the problem persists. Ideally, you should test a component that you know works in a different setup.

The SSD is not recognized by the operating system.

  • Drives must be initialized and have active partitions so that they are immediately recognized as data media in the operating system. If this is not the case, initialize the drives in the disk management of your operating system.
  • Please check if the driver software is installed (USB).
  • Sometimes it can be possible that the M.2-SSD slot has to share the PCIe lanes with other devices. In this case one of the interfaces may be deactivated. Please refer to the documentation of your motherboard and activate the M.2 SSD in BIOS mode.

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Product specification

Below you can find general information regarding the product.



Article No.:


EAN Code:





Enclosure for M.2 SSD





Internal interface:

1x M.2 SSD

Host connector:

Integrated USB 3.1 (Gen2) Type-C™ cable


Power and access

System requirements:

USB 3.1 (Gen2) Type-C™ port on hostcomputer

Transfer rate:

USB 3.1 (Gen2) Type-C™ up to 10 Gbit/s

M.2 SSD size:

M.2 SATA B-Key or B+M-Key - 22x30/42/60/80 mm

mSATA SSD size:

SSD capacity:

Operating system:

Windows®, macOS®

Chip set:

Power connector:


Box content:

1x IB-185M2, 1x manual

Packing unit:

60 pcs./carton

Total weight:

7.5 kg/carton

Gross weight (incl. packing):

0.111 kg

Net weight:

0.044 kg


440x295x335 mm

Dimension of packing box:

100x25x200 mm

Dimension of article:

120x50x17 mm

Country of origin: