This is only my investment. Yes, I know, it’s not recommended, but I was willing to try and do not mind if I would have no ROI, because I planned to use it in my other projects anyway.
| Item | Price | Quantity | Sum |
|---|---|---|---|
| Raspberry Pi X830 V2.0 3.5 Inch SATA HDD Storage Expansion Board with Power Supply/Adapter for Raspberry Pi 3 Model B+(Plus)/3B | $40.69 | 1 | $40.69 |
| Raspberry Pi X830 3.5 Inch HDD SATA Storage Board Matching Metal Case/Enclosure + Power Control Switch + Cooling Fan Kit | $22.89 | 1 | $22.89 |
| New Original Raspberry Pi 3 Model B + Raspberry Pi Raspberry Pi3 B Plus Pi 3 Pi 3B With WiFi & Bluetooth | $37.89 | 1 | $37.89 |
| WD Blue™ WD20EZRZ 2ТБ 3,5" 5400RPM 64МB (SATA-III) | $64.75 | 1 | $64.75 |
| Transcend microSDHC 16GB Class 10 + ADP | $10.53 | 1 | $10.53 |
| Total | - | - | $176.75 |
I risked with this and I got lucky - it paid itself twice. However I would not recommend to repeat my experiment unless you do not mind to lose those money in a bad case/bad luck.