Does extra hard drive cache make a difference for streaming video?

Posted by johnny on Super User See other posts from Super User or by johnny
Published on 2012-12-17T18:33:30Z Indexed on 2012/12/20 5:05 UTC
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hard-drive-cache

I am looking at the following two drives for a RAID device, which will be streaming normal things but also a lot of video:

Seagate Constellation ES.3 ST4000NM0033 - hard drive - 4 TB - SATA-600
TOSHIBA DT01ACA300 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5"

Will the 128 MB cache on the Seagate have an effect in my described scenario, compared to the 64 MB on the Toshiba? If so, what sort of difference can I expect?

I'm using a qnap device, if that matters.

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