The SanDisk Extra is the first SATA 2-based solid-state generate we've evaluated since the New samsung 470, which was launched almost a year ago. As an SSD, the SanDisk Extra provides recognizable overall enhancement over conventional challenging disks in duplicate rate. However, it's the first SSD to path behind certain challenging disks in our duplicate rate test. However, the generate indeed helps a pc's start and shut peace and quiet plenty, although not as much as a SATA 3 SSD. It also helps considerably boost the release of programs, and can increase a netbook's battery.
At a price of around $420 for the 240GB edition or $210 for the 120GB edition, the SanDisk Extra is actually a little bit more costly than the Essential M4, which can handle SATA 3 and provides substantially better efficiency. For this reason, if you have a SATA 2-based pc (most computer systems currently on the market are SATA 2-based) the SanDisk Extra will make a excellent, but not excellent, investment as a replace the current inner generate. Those who want a quicker and future-proof SSD should check out SATA 3 (6Gbps) SSDs, which are also appropriate with SATA 2 connects.
Design and features
The SanDisk Extra SSD looks excellent and seems very strong with its metal covering. Actually it looks so excellent that we desired it weren't an inner generate, usually invisible inside a pc's case when in use. Generally SSDs have long life ranges than conventional challenging disks due to the truth that they have no moving parts; in the case of the SanDisk Extra, its strong style gives the impact that it could last for a long time.
Despite the extra strength, the SanDisk is no larger than a conventional 2.5-inch 9mm-thick inner generate. Like all challenging disks of this conventional, on one side it has the SATA connection, which creates the generate perform anywhere a SATA generate of the same style can be used. The SanDisk Extra can handle SATA 2, which provides a top bandwith of 3Gbps.
As for how the SATA expectations perform, the generate is expected to be appropriate with SATA 3 (6Gbps) although without offering any gain in efficiency. However, in our tests, it didn't perform very well with certain SATA 3 remote controls when used as another generate. The generate would at random dismount when a lot of data was being relocated to it. Note that this didn't happen when the generate was used as the major generate, which serves the os of your pc. We didn't determine why this occurred, but it shouldn't be a big problem, as the best way to get the most out of an SSD is to use it as the major generate of a pc anyway.
Cost per gigabyte
At $1.75 per gb, the SanDisk Extra SSD is one of the most cost-effective SSDs we've seen lately, but it's not the most cost-effective. The Essential M4, for example, costs just $1.72 per gb, and as we mentioned it can handle SATA 3 and offered better efficiency in our examining. In the SanDisk Ultra's protection, other SSDs do price more, such as the OCZ Vertex 3, which has a price per gb of about $2.29, and it's not the most costly out there. Of course, most conventional challenging disks price just five dollars per gb. This is not a excellent comparison, though, since SSDs have a lot of advantages over challenging disks.
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