Table of Contents
What is an SSD?
SSD (Solid State Drive) is a type of hard drive in solid-state or semiconductor storage drive using Flash memory chips linked together to store data on computers and laptops persistently even without a power supply.
Structure
An SSD comprises many non-change Flash memory chips called Non-volatile Memory; SSDs will write and store data on linked Flash chips.
These memory chips are permanently installed on the motherboard or the PCI / PCIe so that the data access will take place immediately, even if the hard drive encounters fragmentation.
At first glance, these Flash memory chips will feel very much like the Flash chips inside USB flash drives, but in fact, these are two completely different types of chips, not only in terms of type and access speed, the price is also different.
Of course, the data access speed of Flash SSD memory chips will be faster than USB, so the price of SSD is also much higher than that of USB.
What are the advantages and disadvantages of an SSD hard drive?
Advantages
Improve speed: Surely you will be very disgusted while booting the computer again encountered Full Disk 100%, with SSD hard drive the computer boot speed will be significantly improved, overcome the current shock, lag.
Faster data retrieval: Compared to hard drives, it is obvious that the ability to read files and access data will be faster.
Absolute anti-shock: Thanks to shock resistance, smooth operation, and minimize overheating when operating, thereby helping SSD hard drive more durable and protect internal components.
Has high security and low power consumption.
Defect
Besides the advantages, SSDs also cannot avoid the disadvantages, but the biggest disadvantages are:
High price: Because of being equipped with many outstanding features, the price of SSDs is quite harsh and not many people meet it, despite its high price but with too good quality, it pays a lot of money. It is perfectly reasonable to own an SSD.
Compare HDD and SDD hard drives
Before going into the comparison, you have to understand what the definition of an HDD is.
What is an HDD?
HDD (Hard Disk Drive) is a traditional hard drive used to store data; the data will not be lost when we turn off the computer.
The structure of the HDD is a circular metal disc made of glass or aluminum, covered with an outer magnetic layer. Like SSD, HDD is also a “non-volatile” type of memory in the solid-state, but the structure is completely different; SSD structure is divided into Track, Sector, Cluster.
So which is better between HDD and SDD hard drive?
Technical data | Hard drive HDD | SSD hard drive |
Capacity | Quite modest | Large, up to 4TB |
write / read speed | Very slow, the fastest only about 120 MB / s | Fast with maximum speed up to 550 MB / s |
Fragmentation | It takes time to read the file if fragmentation occurs | Not be effect |
Reliability | No Long | More durable, the lifespan can be up to 20-30 years |
Vibration | Quite vibrating when operating | No vibration during operation |
Product limit | The read / write capabilities of the flash memory chip are limitless | Flash memory chips are limited in number of read / write times |
Temperature | Radiating a lot of heat | Less heat and quite cool |
Price | Very cheap | 5-6 times higher than HDD |
The quality of an SSD is very good, but there are quite a few people who are too confused about it.
Types of SSDs
There are three types of SSDs that you need to know SLC, MLC, and TLC, each with different characteristics, including:
SLC (NAND Single Layer Cell): This type uses 1 level memory cell, meaning that each memory cell can only store 1 bit of data. Although the speed of SLC is not too high, it is stable and durable; corporations or large businesses often use this type of hard drive because of its relatively high cost.
MLC (NAND Multi-Layer Cell): Compared with SLC, this type of hard drive uses multiple memory cells, each memory cell can store 2 data bits, for data access speed is quite good fast but not guaranteed stability and durability is not high, but the price is affordable so many people choose to use.
TLC (NAND Triple Layer Cell): Among the three types of hard drives, TLC is the lowest-end hard drive, maximum up to only 1000 eras, but the advantage is a high speed, and The price is very cheap.
After knowing some necessary information, we will understand some essential criteria when selecting an SSD after knowing some important information.
Experience in choosing the best SSD hard drive
I. SSD hard drive life
SSD life is a very important criterion; according to research and testing, manufacturers evaluate the reliability of SSDs based on three main factors: life expectancy. The total amount of terabytes that data has and the amount of data the hard drive can record over a specified period. However, the evaluation is based on many factors that lead to many different results, so it is not feasible to give the exact life of an SSD.
You only need to know some important information that the life of an SSD will be much higher than we think, usually ranging from 15-20 years because it depends on many factors such as frequency of use, the wear and tear of Flash memory, or how you use it.
Some studies also show that the life of an SSD is very low, only about 2-3 years is “die,” but think these studies are used in large data centers, with reading- The recording is very high, and for personal computers or laptops, of course, it will be different.
II. Mode of communication
Besides the other criteria, the communication method of the SSD is also very important; currently, on the market, there are two main types of communication methods: SATA and PCI Express; each type will have its advantages and disadvantages.
What is SATA?
SATA (Serial Advanced Technology Attachment): is the most popular communication method today; it is used for MB and is only 2.4 inches thin to install it easily on the laptop.
The popular SATA III interface is used, with a maximum bandwidth of 6Gbps and the ability to read and write at speeds of 550Mb / s, thereby being able to handle computer tasks more smoothly as well as respond. It meets all the requirements of exporting and recording data of different operating systems.
However, SATA-based hard drives have a relatively dilemma that requires an extra power port.
What is PCI?
PCI Express or PCI-E is becoming more and more popular thanks to many outstanding features; compared to SATA, PCI-E has many more impressive parameters such as maximum bandwidth up to 16Gbps.
At the same time, PCI-E has completely differentiated the disadvantage of SATA because it works without the power cord, with the power supply from the PCI-E slot, so the price of PCI-E is also taller.
In addition to the above two communication modes, M.2 or U.2 are available in the market, but these standards still use one of the two main communication methods: SATA or PCI-E. Partly because the M.2 connection standard is quite small, the data storage space is quite modest, so it still needs SATA or PCI-E to support it.
So choose SATA or PCI Express?
SATA SSD is always the first choice if you are using a desktop computer because it is quite cheap and speed is enough to perform tasks. In case you’re using a laptop, consider a 2.5-inch SATA III SSD.
III. ECC error correction function
With the ECC error correction function (Error Correcting Code), SSDs can automatically detect errors and immediately repair them, thereby helping to keep the data safe.
Most SSD products equipped with the ECC fault correction function are usually much more expensive than those without this function; usually, this function will be indicated on the packaging of a producer.
IV. Warranty
SSD is one of the best warranty products available from 5 years to 7 years, even ten years for high-end models, with a long warranty like this to help people. Use feels more secure during use.
Notes on using an SSD
Below we will list some common mistakes to help you avoid them and provide some solutions to help you use them more effectively.
Some mistakes when using an SSD
Using an outdated operating system: Apart from Windows 7, all previous operating systems are almost impossible to optimize; some of the common files we often use when moving into the fastest area do not help the file. Optimized to increase the access speed but also reduce the life of the SSD is significantly reduced.
Virtual memory installation: Virtual memory is the enemy of SSD; installing virtual memory will significantly reduce the capacity of SSD. We think the best way is to buy yourself an extra 4GB of RAM to help the SSD hard drive promote its capabilities instead of setting up virtual memory.
Defragment: Some people think that defragmenting a hard disk, also known as a disk defragmenter, will help improve the speed of accessing data, but actually, this is not necessary because it does not bring a benefit any utility that only reduces the performance of the SSD.
Torrent: Also known as peer-to-peer P2P sharing, splitting a file into pieces for easy download inadvertently results in a significant increase in junk files due to file writing/deletion out with high frequency.
Use acceleration programs when downloading files: In downloading data files, you need a place to store temporary files, usually the default drive of the operating system, so you should put this temporary file container to a regular hard drive instead of leaving the default on the SSD.
Some notes to use SSD hard drive effectively
For computers that already have an HDD and upgrade to an SSD, use the HDD as a place to store files and data, and an SSD should only be used to speed up the installation of Windows or software needed.
Should consider using more storage services to save memory if the case of too little memory capacity.
Turn off some unnecessary functions to save resources, such as automatic backup and data synchronization (System Protection), disk defragmentation (Optimize Drives), disable the hibernation feature ( Hibernate).
Do not let the phenomenon of Full hard drive storage phenomenon; the maximum should only store about 75% and leave about 25% empty.
Top 5 SSD hard drive
1. SamSung 850 Evo 250GB
Samsung 850 Evo is a lower and cheaper version of Samsung 850 Pro; Samsung 850 Pro is considered the most advanced model currently on the market. The more performance is not comparable to its predecessor, but General still owns many advantages of Samsung 850 Pro.
The Flash memory in Samsung 850 Evo is arranged vertically; this arrangement allows the installation of large-sized chips without shrinking the size of the remaining parts. Besides, this product is also equipped with a storage capacity of up to 250GB, helping users have more space to store important data.
Some of the most salient features in Samsung 850 Evo are fast boot speed, a good performance due to Enhanced RAPID mode, and help protect your data more safely.
where can i you get a SamSung 850 Evo 250GB online
Samsung 860 EVO SSD 250GB – M.2 SATA Internal Solid State Drive with V-NAND Technology (MZ-N6E250BW): Buy it now
Samsung 850 EVO – 250GB – M.2 SATA III Internal SSD (MZ-N5E250BW) (Renewed): Buy it now
2. Silicon Power S55 120GB
Silicon Power is a multinational technology corporation established in 2003 in Taiwan, specializing in providing computer equipment such as SSD, USB, or DRAM hard drive and is known as a brand developing Flash memory largest in Asia.
The first impression of the Silicon Power S55 SSD is a luxurious design with a black metal outer shell, creating a somewhat rough feeling. The outer rim is designed with four screw holes very convenient.
Equipped with a large capacity of about 120GB, you have plenty of space to store data, use the highly compatible SATA III interface, and the maximum data read/write speed up to 550MB/s and 450MB/s.
where can i you get a Silicon Power S55 120GB online
Silicon Power 120GB SSD 3D NAND S55 TLC 7mm (0.28″) Internal Solid State Drive (SP120GBSS3S55S25AE): Buy it now
3. Samsung 960 Evo 250GB
Like Samsung 850 Evo, Samsung 960 Evo is also rated as one of the best SSD hard drives the Samsung brand has produced, compared to the high-end version of Samsung 960 Evo. In this version, the warranty period Onions have been reduced to only three years. However, features are always guaranteed.
Equipped with M.2 technology to increase the maximum number of read-write up to 200 TBW, ensure high security and make the hard drive more durable.
In the segment of about $90, the Samsung 960 Evo 250GB is being evaluated as the best quality product for gamers.
where can i you get a Samsung 960 Evo 250GB online
Samsung 960 EVO Series – 250GB PCIe NVMe – M.2 Internal SSD (MZ-V6E250BW): Buy it now
Samsung 960 EVO Series – 250GB PCIe NVMe – M.2 Internal SSD (MZ-V6E250BW) (Renewed): Buy it now
4. Sandisk Ultra II 240GB
Sandisk is one of the pioneers in providing storage technology; It was established in 1988 in the United States until now, Sandisk products have met the needs of users worldwide.
Sandisk Plus 240GB SSD is the most appreciated company model, thanks to its maximum data read-write speed of up to 520 MB / s, thereby helping to speed up the booting or downloading of applications very significantly.
The outer shell is covered with a layer of high-quality materials with shock resistance extremely good. Comes with monitoring software that allows users to monitor and control the status of the drive easily.
where can i you get a Sandisk Ultra II 240GB online
SanDisk Ultra II 240GB SSD (SDSSDHII-240G) SATA 2.5 (Bulk Packaging): Buy it now
SanDisk Ultra II 480GB Solid State Drive (SDSSDHII-480G-G25): Buy it now
5. Crucial MX500 250GB
Crucial is known as a subsidiary of Micron; Micron is a very famous American technology corporation specializing in providing products related to Flash memory.
The Crucial MX500 SSD provides maximum read / write speeds of up to 560MB / s and 510MB / s, thereby enabling your computer to boot up quickly, reducing the need for unnecessary programs.
Rated as one of the best power-saving products today, with a power consumption of only about 0.075W, extremely low compared to 6.8W that we often see in hard drive models HDD. Due to that, the life of the hard drive is also much longer.
where can i you get a Crucial MX500 250GB online
Crucial MX500 250GB 3D NAND SATA 2.5 Inch Internal SSD – CT250MX500SSD1(Z): Buy it now
Crucial MX500 250GB 3D NAND SATA 2.5 Inch Internal SSD – CT250MX500SSD1: Buy it now
Crucial MX500 250GB 3D NAND SATA M.2 Type 2280SS Internal SSD – CT250MX500SSD4: Buy it now
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