WEBVTT

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choosing a new hard drive for your computer used to be a pretty large

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production between fiddling with jumpers Master Slave cable select blah dealing

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with weird settings and finding somewhere to put those ugly ribbon

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cables it wasn't exactly straightforward for the average user nowadays though the

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SATA interface has made things simple almost to the point of making expanding

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your storage a plug-and playay experience you pick a capacity and speed

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you connect the cables and Bam more space for your steam library or your

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private videos but while you were combing through all those pages of hard

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drives and ssds you might have noticed an option to look at something called a

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SAS Drive instead of s and being the

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Intrepid Shopper that you are you clicked on it wondering if this strange

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exotic interface could give you faster load times in Battlefront or whatever

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then you quickly retreated After experiencing the sticker stock so what

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is this sass anyway and why the heck is it so much more expensive than SATA and

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could it be worth it for your personal computer all right so let's go back to

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the beginning SAS stands for serial attached scuzzy which might sound

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familiar to you as there's an older version called parallel scuzzy and that

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was a popular choice for things like CD ROM drives way back in the day modern

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SAS connectors however can be difficult to find on consumer motherboards even

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though they look extremely similar to SATA in fact SATA drives will work on a

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SAS controller so then what is the difference exactly well SAS can perform

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significantly faster than SATA for a number of reasons one of which is the

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bus or the or the communication method itself the latest revision of SAS

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revision three if you're keeping score at home supports up to 12 gabit per

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second transfer speeds that's twice as fast as SATA 3 with speeds of over 22 GB

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per second expected in the year 2017 SAS

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also has the advantage of being full duplex meaning that a SAS Drive can send

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and receive data at the full speed at

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the same time SATA drives on the other hand can only deal with full- speed data

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in one direction at a time and if you're interested in a more traditional

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mechanical hard drive instead of an SSD SAS drives often feature much faster

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rotational speeds to improve performance it's actually pretty easy to find 15,000

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RPM SAS drives which is over twice as

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fast as your typical CA hard disk would spin but then if SAS is so great then

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why don't people who build you know even very high-end home PCS use it much well

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it's actually targeted more at the server market for companies that need

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very reliable storage that many many

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people are accessing at once so it's got

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more durable construction higher throughput and support for a large

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number of drives on One controller making SAS a popular choice for high

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capacity servers that need to be online 247 such as for larger businesses or

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company websites or whatever else unfortunately as I've mentioned before

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these additional capabilities mean that soft drives are typically much more

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expensive per Gigabyte than SATA but I mean let's say you could get your hands

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on a SAS capable motherboard like we did recently in this video would the extra

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performance then be worth it well actually the answer is unless you're

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doing some really weird stuff with your personal gaming rig probably not the SAS

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protocol is optimized like I said for when many users are connected to the

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machine accessing data at once meaning you probably wouldn't see much real

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world benefit if any at all but I guess

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it could be an interesting choice for like a home database server something

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like that which probably probably you aren't doing speaking of things you

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your first purchase so thanks for watching guys if you liked this video

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like it if you disliked it well dislike it I guess if you want to check out our

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other channels we've got a pretty sick light saber battle thing going on over

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on Channel Super Fun that's either out already or coming very soon so don't

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miss that and as always leave comments below the video if you have suggestions for future videos and don't forget to

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