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First selfbuild NAS for Plex / Video Station


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Hey guys,

i'm just ready to order my new selfbuild NAS but i'm actually not sure about the Setup. The NAS should be able to transcode 4k if i need it. It will mainly be handled as mediaserver, which contains my Bluray Collection. I just want to stream them from my NAS through my Amazon 4k TV Box with Plex or Synology Video Station.


But first my build:

1 Intel Xeon E-2124G, 4x 3.40GHz, tray (CM8068403654114)
2 Samsung DIMM 16GB, DDR4-2666, CL19-19-19, ECC (M391A2K43BB1-CTD)
1 ASUS WS C246M Pro (90SW00E0-M0EAY0)
1 Fractal Design Node 804, Acrylfenster (FD-CA-NODE-804-BL-W)
1 be quiet! Straight Power 10 400W ATX 2.4 (E10-400W/BN230)


But i still got a few questions.

1. What do you think about the power consumption of this setup in 24/7 Load. Yeah, it will be a bit powerful, but how much Watts you guys think? I have to add that the NAS will stay in "Idle" about 90% of the day because i'm just watching some movies in the evening.

2. Is ECC Ram the right choice in generel? I've heard about much problems without using ECC Ram in 24/7 Load but is it even worth it for Plex/Video Station Media server to go with ECC Ram?

3. What do you guys think about the performance, will it be able to handle 4k h265 transcoding?

4. I'm going to choose the 10TB WD Red HDD's for storage and i heard about the fact, that 24/7 load will be more safety instead of running the NAS with Wake on lan because the HDDS are build for 24/7 load. Can you confirm with that? Or should it still be fine to save power with this way.


The reasen why i prefer 4k transcoding is just that i got a lot of 4k Blurays which i don't want to single convert into 1080p to watch them on my second TV in the bedroom which is only FullHD.


I really appreciate any answers and tips.

Edited by Rhayx
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11 minutes ago, Olegin said:

I think that ASRock J5005-ITX will be more than enough for your needs.

Even for 4k transcoding? I thought this will be extremely CPU intense, that's why i decided to pick the Xeon to be honest.

Edited by Rhayx
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You mention 4K H.265 transcoding.  What's really happening here is probably 4K H.265 decoding + H.264 encoding at a low quality profile.  I don't think there is a H.265 display device that doesn't also support H.264.  So if your expectation is that huge CPU is required for H.265 encoding (it is), it doesn't apply to real-time transcoding.


Regardless of the method (hardware vs. software) the encoding profile to provide a H.264 stream in real-time is comparatively low quality to the source.  You are always better off streaming a source file directly to the device that can accept it (for example, most PC's can render a 4K video in lower resolution without transcoding, and some 4K set-top boxes can do the same when connected to a 1080p display).

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Okay, yeah.. i guess that's not the way i should go. I will only stream the movies to my TV(mostly) so if i upgrade the bedroom TV to 4k, it should be fine anyways. The other question is, that i'm not sure about ECC RAM. Is ECC that much important for my needs or just wasted money?


Edited by Rhayx
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