choosing a new hard drive for your computer used to be a pretty large
production between fiddling with jumpers Master Slave cable select blah dealing
with weird settings and finding somewhere to put those ugly ribbon
cables it wasn't exactly straightforward for the average user nowadays though the
SATA interface has made things simple almost to the point of making expanding
your storage a plug-and playay experience you pick a capacity and speed
you connect the cables and Bam more space for your steam library or your
private videos but while you were combing through all those pages of hard
drives and ssds you might have noticed an option to look at something called a
SAS Drive instead of s and being the
Intrepid Shopper that you are you clicked on it wondering if this strange
exotic interface could give you faster load times in Battlefront or whatever
then you quickly retreated After experiencing the sticker stock so what
is this sass anyway and why the heck is it so much more expensive than SATA and
could it be worth it for your personal computer all right so let's go back to
the beginning SAS stands for serial attached scuzzy which might sound
familiar to you as there's an older version called parallel scuzzy and that
was a popular choice for things like CD ROM drives way back in the day modern
SAS connectors however can be difficult to find on consumer motherboards even
though they look extremely similar to SATA in fact SATA drives will work on a
SAS controller so then what is the difference exactly well SAS can perform
significantly faster than SATA for a number of reasons one of which is the
bus or the or the communication method itself the latest revision of SAS
revision three if you're keeping score at home supports up to 12 gabit per
second transfer speeds that's twice as fast as SATA 3 with speeds of over 22 GB
per second expected in the year 2017 SAS
also has the advantage of being full duplex meaning that a SAS Drive can send
and receive data at the full speed at
the same time SATA drives on the other hand can only deal with full- speed data
in one direction at a time and if you're interested in a more traditional
mechanical hard drive instead of an SSD SAS drives often feature much faster
rotational speeds to improve performance it's actually pretty easy to find 15,000
RPM SAS drives which is over twice as
fast as your typical CA hard disk would spin but then if SAS is so great then
why don't people who build you know even very high-end home PCS use it much well
it's actually targeted more at the server market for companies that need
very reliable storage that many many
people are accessing at once so it's got
more durable construction higher throughput and support for a large
number of drives on One controller making SAS a popular choice for high
capacity servers that need to be online 247 such as for larger businesses or
company websites or whatever else unfortunately as I've mentioned before
these additional capabilities mean that soft drives are typically much more
expensive per Gigabyte than SATA but I mean let's say you could get your hands
on a SAS capable motherboard like we did recently in this video would the extra
performance then be worth it well actually the answer is unless you're
doing some really weird stuff with your personal gaming rig probably not the SAS
protocol is optimized like I said for when many users are connected to the
machine accessing data at once meaning you probably wouldn't see much real
world benefit if any at all but I guess
it could be an interesting choice for like a home database server something
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