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Benefits and costs of a Raspberry Pi

What do you do if you have a bunch of spare (old) hardware, e.g. USB 2.0 hubs;-hard drives;-sticks and sd-cards? Well you can make a NAS file server with Raspberry Pi.

The reasons for that:

  • Since the rpi doesn’t support more than USB 2.0, perfect.
  • USB hard drives are perfect for data storage and as primary root filesystem for the rpi
  • Power consumption is low, my current NAS 15-22W, the rpi with usb-stuff 1.5-2.5W
  • Online 24/7
  • Consume flash devices until they wear out on purpose, less drives :wink:
  • Because it’s fun.

And how about the costs?

  • The newest Raspberry Pi ~ 40 EUR/CHF
  • A 16 GB micro SD ~ 8-10 EUR/CHF

You will get the Rasberry Pi alone. It has no power supply. What about the power supply? Well I have a lot of power supplies from my previous smartphones, you only need a adapter with micro-USB connection, that’s it. Even IKEA has cheap power supplies for 10 CHF. The power supply should have an minimum output of 1.8A. See more on FAQ-Power. A network cable or WLAN adapter and you are ready to go. Additionally you might want a shell case.

Spare old hardware

Other purposes?

  • Apache HTTP server
  • Multimedia center
  • etc.

Is that possible? Well, the latest Pi has following specs: Raspberry Pi 2 Model B

  • A 900MHz quad-core ARM Cortex-A7 CPU
  • 1GB RAM

Like the (Pi 1) Model B+, it also has:

  • 4 USB ports
  • 40 GPIO pins
  • Full HDMI port
  • Ethernet port
  • Combined 3.5mm audio jack and composite video
  • Camera interface (CSI)
  • Display interface (DSI)
  • Micro SD card slot
  • VideoCore IV 3D graphics core