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My idea was to built a home NAS that is cheap and has a low power
consumption. It should provide at least 1TB of storage and upload speed should be not as slow as the storage on my router. For my use its not so important to have a RAID system.

Step 1: The Parts

Heart of the NAS
The first thought was to take a RaspberryPi - it is cheap and has low power consumption. But it only has USB to connect a HDD. Into the bargain it shares its 100Mbit bus with the USB. So reading/writing content to HDD and network traffic uses one bus.

Later I find the specs of BananaPi and it was exactly i was looking for:

  • Gigabit LAN
  • SATA 2.0 Port
  • cheap (about 35 Euros)
  • low power consumption
  • small size (like RaspberryPi)

The storage

For storage I decided to take a normal 2,5" notebook drive. I took a Samsung ST15000LM006 with 1,5TB of storage.

Additional Parts

To run the BananaPi there is also a SD-Card necessary. I took an available class 4 card I had on stock, but it is possible to take even better cards; the more faster it is, it is much more better.

To power the whole thing up a 5V/2A Power supply with micro USB connection is needed.

The last part you need to build the NAS is a BananaPi-SATA-cable, like many electronic shops offer it.

Step 2: The Case

Searching the whole web for a case (that could mount the BananaPi and the HDD) does not result into any useful match.

So I decided to build my own NAS case with Lego.

After some prototyping with available Lego parts, I ordered the required parts on the Lego shop (Pick-A-Brick: https://shop.lego.com/Pick-a-Brick).

Watch the video how to assemble the whole case.

The parts you need are:

Quantity  Element number  Part                            Color
<br>1         6004927         Plate 16×16                     grey
1         300526          Brick 1×1                       black
2         300426          Brick 1×2                       black
1         362226          Brick 1×3                       black
1         301026          Brick 1×4                       black
1         611226          Brick 1×12                      black
2         300326          Brick 2×2                       black
1         300226          Brick 2×3                       black
1         300126          Brick 2×4                       black
2         4181144         Brick 2×6                       black
2         6037390         Brick 2×8                       black
4         235726          Brick Corner 1x2x2              black
1         306926          Flat Tile 1×2                   black
4         416226          Flat Tile 1×8                   black
1         302426          Plate 1×1                       black
6         302326          Plate 1×2                       black
5         362326          Plate 1×3                       black
1         371026          Plate 1×4                       black
7         366626          Plate 1×6                       black
4         346026          Plate 1×8                       black
1         447726          Plate 1×10                      black
3         302226          Plate 2×2                       black
1         302126          Plate 2×3                       black
2         383226          Plate 2×10                      black
1         244526          Plate 2×12                      black
1         4211389         Brick 1×1                       grey
2         4211388         Brick 1×2                       grey
1         4211428         Brick 1×3                       grey
2         4211394         Brick 1×4                       grey
1         4211415         Flat Tile 1×1                   grey
2         300423          Brick 1×2                       blue
1         362223          Brick 1×3                       blue
3         301023          Brick 1×4                       blue
1         300323          Brick 2×2                       blue
1         300223          Brick 2×3                       blue
1         4181139         Brick 2×6                       blue
4         302423          Plate 1×1                       blue
1         302323          Plate 1×2                       blue
3         362323          Plate 1×3                       blue
5         371023          Plate 1×4                       blue
2         366623          Plate 1×6                       blue
5         ????*           Plate 1×8                       blue
1         302223          Plate 2×2                       blue
2         302023          Plate 2×4                       blue
2         379523          Plate 2×6                       blue
3         303423          Plate 2×8                       blue
4         303223          Plate 4×6                       blue
2         303523          Plate 4×8                       blue
2         4199519         Plate 6×6                       blue
5         242023          Corner Plate 1x2x2              blue
3         4206330         Flat Tile 1×1                   blue
5         306923          Flat Tile 1×2                   blue
1         243123          Flat Tile 1×4                   blue
2         370026          Technic Brick 1×2               black
1         370126          Technic Brick 1×4               black
2         4211374         Technic Brick 1×10              grey
2         4211137         Technic Brick 1×14              grey
1         4121936         Roof Tile 1×2 45°               blue
3         303923          Roof Tile 2×2 45°               blue
1         4504380         Roof Tile 1x1x2/3, ABS          blue
2         4183060         Plate 1×2 W/Fork/Vertical/End   black
2         4144575         Plate 1×2 W/Stub/Along/Upper P  black
2         4107761         Plate 1×2 With Slide            black
2         6069000         Roof Tile 1×2 45° W 1/3 Plate   black
1         4215513         Wall Corner 1x1x1               grey
2         4211515         Wall Element 1x2x1              grey
2         6071299         Wall Element 1x4x1 ABS          grey
3         302424          Plate 1×1                       yellow
1         6092583         Plate 1×2 W. 1 Knob             yellow
2         306901          Flat Tile 1×2                   white
1         4211865         2M Fric. Snap W/Cross Hole      grey

* It seems that the 1x8 plate is not available in blue anymore in the shop.

But its possible to replace a 1x8 with two 1x4 (or 1x2 + 1x6).

Its also possible to change the color from blue to e.g. red.

That's it.

How to install the software, I want to instruct you in my next instructable:

How to build a NAS with BananaPi and LEGO - Part 2

<p>Thanks for sharing :)</p>

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Bio: Making with Hotz.and.Plotz
More by hotz_and_plotz:How to build a NAS with BananaPi and LEGO Part 2 How to build a NAS with BananaPi and LEGO Part 1 
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