Need your advice on a budget NAS build

[intruder16]

@leslie.r7

Nice, is your P330 the tower version? Asking since you mentioned dual 3.5” HDDs..

No it’s tiny. I have done some mods to it. Here:

Lenovo P330 tiny Mods and Possibilities

@Paget89 I did similar mod last year but noticed that the sata expansion board I had caused issues with C states. System was stuck at C3 causing heat and power. In my case I was using the boards 12v & 5v power for 2 3.5” HDD’s. No extra psu needed. I’ve seen people use 4 HDD’s without external power. In my current scenario, I am using the inbuilt SATA connector for one main HDD and a USB sata for backup HDD. No C state issue. Goes to C7 state. Of course power to HDD’s come from main board. […

and here:

Lenovo P330 tiny Mods and Possibilities

Just in case anyone is interested, there is a very nice 3d printed case that @slippery has printed for me. It can hold the power brick inside as well. Case link: https://makerworld.com/en/models/1280680-thinknas-2x-hdd-enclosure-for-lenovo-m920q#profileId-1308483 Few pics: [1000140233] [1000140241] [1000140237]