5 Types of SSDs (Solid State Drives) with Connectors Contact online >>
5 Types of SSDs (Solid State Drives) with Connectors
That''s comparable to a solid-state drive (SSD) using a Serial ATA connection. A
In this article, we''re going to dive into everything you need to know about different types of SSDs, and help direct you toward the best SSD for your specific workloads.
First, SSD stands for Solid State Drive. This is in comparison to a traditional HDD, or Hard Disk Drive.
SSDs don''t use RPM as a measurement at all, though, and the reason why ties back into that "Solid State" name. Basically, a component being "Solid State" means that it has no moving parts whatsoever.
SSDs use flash memory for storage.
As it turns out, solid-state storage is a pretty significant improvement over hard drives, especially in terms of raw speed.
Even when limited to the HDD-focused SATA standard, SSDs consistently outperform standard HDDs across the board. And it makes sense if you think about it!
What''s going to be faster: a spinning platter being written to and read from with a mechanical arm? Or a surge of electricity?
In the case of hard drives, this can actually be a bit of a detriment, because it makes getting a full-speed 7200 RPM HDD just a bit more expensive than it would be with a standard 3.5-inch enclosure.
2.5-inch SSDs use SATA bandwidth and connectors, just like HDDs. Because of this, they should be compatible with any PC or laptop that''s already using a hard drive.
This makes them an ideal no-fuss storage upgrade or expansion for most users, and the majority of benefits you''ll get from an SSD upgrade can be experienced within the speeds allowed by the SATA standard.
More on that in the Tiers of SSD Performance section.
2.5-inch drives were made with the goal of making drive storage smaller, but most 2.5-inch SSDs are actually smaller still.
The enclosure of any given 2.5-inch SSD is mostly empty (compared to 2.5-inch HDDs, which need all the space they can get), which means there''s actually still plenty of room for improvement.
M.2 drives can come in a few different sizes, but the main standard is M.2 2280. The "22" means that the M.2 drive is 22 millimeters wide, whereas the "80" means that the M.2 drive is 80 millimeters long.
There are other M.2 sizes, but they''re usually only relevant on a case-by-case basis: just check what form factor your particular laptop or motherboard supports before buying and you''ll be good.
While the M.2 form factor is a massive improvement over the 2.5-inch and 3.5-inch form factors required by hard drives, it doesn''t introduce an inherent boost in speed over SATA SSDs.
In fact, many M.2 drives still use SATA bandwidth, or can even be limited to SATA bandwidth by your motherboard despite being labeled as NVMe!
Be sure to double-check both your drive and PC''s specs before buying!
NVMe SSDs exclusively use the M.2 form factor discussed above, but with a catch: they are no longer using SATA bandwidth.
Since SATA bandwidth is no longer a limiting factor, NVMe SSDs can achieve industry-leading storage performance while remaining extremely compact and straightforward to install.
That "NVMe" stands for "Non-Volatile Memory Express". The most important word to take note of there is "Express" because it reveals what bandwidth NVMe drives are actually using: your PCI Express bandwidth, rather than your SATA bandwidth.
This results in some pretty huge performance improvements, which we''ll hop into in the Tiers of SSD Performance section.
Last…and actually least, since their place in the market has largely been taken over by NVMe SSDs, are proper PCI Express SSDs.
These are SSDs that come in the form of PCI Express expansion cards and are ideal for motherboards that don''t support the M.2 form factor. Other reasons for PCIe Storage can be:
An interesting alternative, especially for that last option that we would recommend to most users in this scenario would be using an M.2 PCIe Adapter.
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