SSD-recommendation for handbrake (500GB)

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linuxuser
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SSD-recommendation for handbrake (500GB)

Post by linuxuser » Thu Jan 21, 2016 1:19 pm

Before I want to build a new pc, I want to see how much encoding gets faster with a SSD. I think I should pay attention to have fast writing. Can you recommend a SSD with about 500GB space? Which specs of the SSD are important for handbrake?

Does it make sense to have the input-file on another device than the output? Does it get a lot faster with 2 SSDs?

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Ritsuka
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Re: SSD-recommendation for handbrake (500GB)

Post by Ritsuka » Thu Jan 21, 2016 1:41 pm

Unless you are encoding 4k movies in ProRes or DNxHD or another almost lossless format, a SSD is useless to HandBrake.

rollin_eng
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Re: SSD-recommendation for handbrake (500GB)

Post by rollin_eng » Thu Jan 21, 2016 1:42 pm

Hard drive speed won't really affect encoding speed.

Its mainly cpu bound.

Woodstock
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Re: SSD-recommendation for handbrake (500GB)

Post by Woodstock » Thu Jan 21, 2016 2:29 pm

As mentioned, unless you disable write buffering, the hard disk isn't going to change the speed of an encode. I regularly encode with both source and destination on a network drive while ripping to the same drive with MakeMKV, and the handbrake traffic is barely noticeable in the traffic. Where MakeMKV might be pushing 50% of network speed to the server, handbrake peaks at 5% on reads, maybe 2% on writes. And the RAM caching of data will take care of that on any decent-speed drive, spinning or solid-state.

nhyone
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Re: SSD-recommendation for handbrake (500GB)

Post by nhyone » Thu Jan 21, 2016 2:38 pm

You'll find that the disk throughput is rather low with a thought experiment.

Suppose you are encoding a blu-ray at 24 fps (same as playing speed). Its max data rate is 48 Mbps, or 5.86 MB/s. (And most blu-rays are below that.) If you manage to encode at 48 fps, then it becomes 11.72 MB/s. And so on.

Let's say the encoded file requires roughly the same rate, but for writing.

As you can see, these are well within a modern disk's throughput.

linuxuser
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Re: SSD-recommendation for handbrake (500GB)

Post by linuxuser » Thu Jan 21, 2016 2:39 pm

Thanks for your explantations.

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