Silverstone MS12 & ECU06 – NVMe speeds in almost any PC

When the Silverstone brand is mentioned, in the first place you will probably think that it is a manufacturer of cabinets, coolers or fans. But this manufacturer’s portfolio reveals a lot of PC accessories. One of them is the combo MS12 and ECU06 (you can also use MS12 separately), which give you the opportunity to use fast NVMe where the board does not have a dedicated slot for them or you do not have other free slots. I will take a closer look at both products today.


As these are relatively small products, the packaging of both products is relatively small. The MS12 package includes an aluminum case for NVMe, along with heat-conducting pads and a USB-C cable (on both sides). ECU06 is a “supplement” to MS12 – it is a PCIe card that increases the transfer speed of MS12. The ECU06 also connects to the MS12 via USB-C.

Practice, tests

Before we look at the results of transmission speeds, I would like to stop at the quality of processing and, of course, cooling. The case itself is a perfectly made piece of aluminum and the disc fits into it to the millimeter. To achieve the best temperature, apply thermal pads definitely according to the instructions. Compared to the passive that was on the disk, the MS12 is perhaps 3 times larger and this was reflected in the temperature of the disk itself. In our tests, the WD SN750 achieved a load of about 59 degrees Celsius. The same disk in MS12 reached 10 degrees less and the maximum temperature I recorded was 49 degrees Celsius, which is a great result.


In the record, the combo ECU06 and MS12 gave about 50% less power compared to connecting the disk directly to the board.

The direct connection via USB-C reduced the power by about half (ECU06 + MS12).

Further tests showed the same as the previous ones – the disk connected via the ECU06 card gave about half the performance.

Connection to a PC directly via USB-C meant a 42% decrease (compared to ECU06 + MS12)

In CrystalDisk Mark, the drop was not as large as in other tests

In the last tests of the AS SSD, the combination from Silverstone held up a bit better – the overall drop in performance was on average only 20%


As you can see from the tests, the ECU06 and MS12 fulfilled what Silverstone promised – the disk speeds are of course not the same as when you connect it to the board – a speed drop of 20-50% should be expected (disk connected via an adapter to the board). Overall, however, the disk reaches a decent bit rate. When connected directly via USB-C, speeds are already significantly lower.
The price for both components is relatively high – about 140 euros (ECU06 – 80 euros, MS12 – 60 euros), but these group of people will definitely find these products.

Thanks to Silverstone for sending ECU06 and MS12.

Source: Technológie by

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