solid state hard drive Varies fromone to anotherin terms of capacity, priceorfor your laptoporAlkmiotrdevices ssd
If you are looking at getting a SSD for your laptop or desktop PC, check out which drives I think are the best for their value, performance and capacity. Please note that solid state drives should really only be used with computers running Windows 7 and higher or Mac OS X 10.7 and higher for best results. All drives uses the SATA interface unless a different interface is specified.
Value is best defined by the price per gigabyte in a storage device. solid state hard drive
This used to be held by smaller capacity drives but now higher ones are
starting to offer roughly the same cost per gigabyte. With a price of
$200 and a capacity of 512GB, the Crucial MX100 ends up with just $.39
per gigabyte to offer a solid value. In addition to offering a nice
capacity for the price, the drive also offers some solid performance
thanks to its custom Marvell controller with roughly 550MB/s read speeds
and 500MB/s write speeds. If you do not want to spend that much but
still get a slightly higher price per gigabyte, there is the Crucial MX100 256GB model priced around $105
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Best Performance - Samsung 850 Pro 256GB
Performance in solid state drives is reliant upon the memory
chips, the drive controller and what interface version it uses. The
problem is that most of the drives are nearing their maximum potential
from the SATA III interface. In fact, most people would probably not see
much of a difference between most of the drives but if you want the
fastest performance available, the Samsung 850 Pro pushes the absolute
limits of what can be had in the interface. The drive features read speeds
of up to 550MB/s and write speeds of almost 520MB/s. The downside is
that it does cost a bit more with prices for the 256GB version running
around $170 but it does feature a 10 year warranty. The next closest
drive in terms of performance is the Intel 730 Series but it features just 240GB of storage space, a five year warranty and it is a bit more affordable at $160.
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Best Capacity - Samsung 840 EVO 1TB
If you want the most capacity possible out of a drive and are
not too concerned about costs, then the Samsung 840 EVO 1TB drive is an
obvious choice. This drive uses a new type of triple cell NAND to offer
higher density memory chips. Performance is still quite good thanks to
the use of the new Turbo Write capabilities from the Samsung memory
controller. Speed can reach up to 540MB/s for reads and 520MB/s for
write operations. Of course if you want the absolute best performance,
than the Samsung 850 Pro 1TB drive does get a bit of an edge and longer warranty but the price jumps up to near $650.
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Best Smart Response Tech Cache - ADATA Premier Pro SP900
A number of PCs that use Intel processors and chipsets can
accelerate a hard drive with a solid state drive through a caching
system called Smart Response Technology.
Essentially, a small SSD drive up to 64GB in size can be used as cache
for frequently used data to improve performance. In this size range, the
ASATA Premier Pro SP900 64GB drive offers a good level of performance
especially with data reads that are critical for the caching system as
writes are typically still restricted to the speeds of the hard drive it
is caching. The only downside is pricing is still around $53 which is
not great at a per GB rate. In fact, a good alternative is to buy
something like the Crucial MX100 128GB drive for just $15 more and have both a 64GB cache plus an extra 64GB of fast storage space.
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Best M.2 Value - Crucial M550 M.2 256GB
If you don't want to spend a huge sum to get an M.2 SSD drive
for your laptop or desktop system, then the Crucial M550 256GB drive
offers a nice compromise between capacity and cost. With a price tag of
around $170, it offers a price per gigabyte of about $.66/GB. This makes
it an affordable option but it should be noted that the performance is
still limited to the SATA bus speeds unlike the Samsung XP941. This
means it offers read speeds of up to 550MBps and write speeds of up to
500MB/s which is still good but not that much better than a traditional
2.5-inch SSD drive.
Best M.2 Performance - Samsung XP941 512MB
The new M.2 interface
brings with it the ability to have huge performance gains over the
previous mSATA cards. The reason is that the new M.2 can use PCI-Express
lanes instead of the SATA interface for greater bandwidth. If you
happen to have a motherboard or laptop that uses PCI-Express lanes with
the M.2 interface, than the best performance drive available right now
is the Samsung XP941 which features a native PCI-Express interface for
the SSD chips. Samsung touts read speeds of 1170MB/s and write speeds of
950MB/s for the 512MB model which is nearly double what the Samsung 840
EVO 2.5-inch drives can achieve. Sadly, using the drive is quite costly
as it is priced around $500. There is a more affordable 256 GB version of the XP941
that costs $250 but the write speeds do drop a bit to 800MB/s. It
should be important to note that not all operating systems yet can boot
to this new interface so be sure to research that before buying one as
your boot drive.
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Best M.2 Cache Drive - Transcend MTS400 64GB
There are a large number of desktop motherboards that are now
featuring the M.2 interface on them. The thing is, the software is not
well designed to use the PCI-Express and NVMe to get the full
performance advantages. Having said that, the M.2 interface is very
convenient for adding a small drive for use with Intel's Smart Response Technology.
Transcend's MTS M.2 64GB drive is an ideal choice for this thanks to is
relatively affordable price of around $40 and its small size that means
it can fit on almost any board.
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