SATA vs SAS As Fast As Possible
Techquickie
·Techquickie
·2016-05-06
·
982 words · ~4 min read
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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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