QNAP TS-421 4-bay Home & SOHO NAS Review

Storage/NAS by stefan @ 2013-06-20

QNAP has introduced a new NAS series with the latest QTS 4.0 Operating System. The unit comes with a single-core Marvell CPU at 2.0GHz, 1GB of RAM and features a lot of connectivity options. On the front it looks pretty much the same as the TS-469L, but now we also have an active LCD screen with two buttons for navigation, but the IR sensor is missing since the unit does not come with a HDMI output.

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A Closer Look Part II

By turning the brick on the other side, we can see that it was made by EDACPOWER ELEC., with a 12V, 10A rating on the output:

 

 

 

The NAS chassis is also wrapped in a transparent plastic bag:

 

 

 

As with the TS-469L, on the top side of the chassis we have a small sticker with the HDD boot sequence:

 

 

 

The bays sport the same design as we have seen on the high-performance model and are easy to remove:

 

 

 

On the lower left side we have the “Copy-from-USB” button along with the port, but also the Power button:

 

 

 

On the top we no longer have a place-holder, but a real LCD screen and through the menus we are able to navigate with the help of the two buttons (Enter, Select):

 

 

 

To the left side of the screen we have a QNAP logo:

 

 

 

By looking on the lateral sides of the NAS, we can see that the left comes with some extra ventilation holes, while the right has none:

 

 

 

 

We were accustomed with the last Atom D2700 NASes from QNAP and ASUSTOR to see an integrated power supply; this time it is not the case. In the center we have a silent 90mm fan and on the right there are plenty of ports:

 

 

 

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