External HD: Learn how to choose the best in 2021
Today we are going to talk about a super useful computer item for storing heavy files: the External HD. It works as a big extra memory to store images, videos and files that are weighing on your computer.
Nowadays, this is a product widely used by those who make constant use of notebooks and computers. In addition to being useful for storing files, it is also very practical to carry for travel or work, since most models are portable and compact.
Let’s talk about the best External HD models on the market, their advantages and disadvantages, prices and the main features that must be taken into account before you make your purchase. Come with us to know everything about this product!
First, the most important
- There are external HD models of the most varied types: desktop and portable, with different storage capacities and with different connections. We will help you decide which model is best for you.
- Despite the different storage capacities, they all tend to have more space than flash drives. Most models store 1 or 2 TB.
- There are cheap models and others more expensive. However, for about R $ 350 you will be able to purchase an external HD of great quality and with high storage capacity.
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Ranking: The 7 best external HD on the market
This item is highly recommended for those who have a lot of heavy files on their computer and want to easily transport them to other locations. If you are looking for an external hard drive, we can help you. Check out the best on the market:
In addition to offering more storage space for your machines, the external hard drive is also widely used in order to back up important files. It is an indispensable item for some professionals, such as photographers. But he has also become the darling of anyone who wants to keep his personal photos in a safe place.
Throughout this Buying Guide we will bring you all the information you need to buy a quality external hard drive that meets your expectations. Read on!
What are the advantages and disadvantages of External HD?
External hard drives usually have a high storage capacity. While most pen drives do not reach 64 GB, it is very easy to find external hard drives with 2 TB of capacity.
They are especially useful for those who work with heavy files on the computer. Video editors, filmmakers, photographers and writers often save many videos, images and other files on their computers. A high-capacity external hard drive is ideal in these cases.
In addition, they are great for carrying. Most models are compact and lightweight, making them ideal for taking from your home to other places, such as travel and offices.
However, an external hard drive may not be extremely necessary for those who do not usually store a lot of heavy files on their notebooks or computers. A pen drive is enough for smaller needs.
Because it has a very high capacity, an external hard drive usually costs much more than some flash drives. However, its values are not that high, so it is worth the investment for those who store many heavy files.
What is the difference between external desktop and portable HD?
There are two main types of external hard drives available on the market today: desktop and portable. Each is ideal for different functions.
External desktop hard drives are larger and are therefore not ideal for those who need to transport files frequently. However, they usually have a much larger storage capacity, reaching more than 10 TB.
Notebooks are more suitable for those looking for practicality. They are compact and much easier to carry around. Their disadvantage is that they generally have less storage capacity than external desktop hard drives.
Each type can serve different functions. If you work with videos, for example, and need to take them on trips or offices, the ideal is to opt for a portable model. If you always keep heavy files on the same computer, a desktop hard drive can be more useful.
What precautions should I take with an external hard drive?
Your external hard drive will be very useful for storing heavy files and transporting them wherever you need to go. This already shows how important this device is and must be taken care of to avoid losing files.
Do not think that your external hard drive is immune from intrusion. It is necessary to take good care of the security of your hardware. Whenever you connect it to your computer, activate the antivirus to prevent intrusions. This will prevent you from losing important files. In addition, it is necessary to take other precautions. Check out:
- Take good care of your device even when it is disconnected. Never leave your external hard drive in very hot environments, always prefer cool and airy places. Never leave it exposed to sunlight.
- Whenever possible, clean your appliance without using water or substances that could damage it. Always wipe with a cloth and avoid leaving it in places where there is accumulation of dust and exposure to fungi, such as drawers that are closed for a long time.
- It is also necessary to protect yourself on public PCs, which do not always have antivirus. To avoid losing your files, you need to vaccinate your external hard drive. To do this, create directories with names of the most common contaminated files and, in addition, autorun, inf directories, which block the spread of this infection.
Once these files are configured in “read-only” mode, viruses on public computers will not be able to delete the file or folder. To apply this vaccine, there are several types of programs available, such as Panda USB and AutoRun Vaccine.
The price of an external hard drive will depend a lot on its brand, storage capacity and technologies present in the device.
An external hard drive from a not very popular brand, with 320 GB of capacity, usually costs from R $ 150. However, it is worth investing a little more in a reliable brand and a superior memory.
An external hard drive of 4 TB can reach R $ 1,000, due to its very high storage capacity. Devices with a capacity of 2 TB cost around R $ 350.
There are devices with the most varied prices. It is necessary to assess what your main needs are before making the purchase.
Where to buy?
External hard drives are easy to find in large stores and places specializing in computers. Just choose your trusted location.
If you prefer to purchase your external hard drive in person, you can find it t stores that sell computer products.
By purchasing the product online, it is easier to find promotions and compare prices. You can buy an external HD without leaving your home on Amazon.
Purchasing criteria: Main factors for evaluating an External HD
Each external hard drive has its own characteristics, and it is important to evaluate one by one before deciding which model is best for you. These are some items that must be taken into account before purchasing:
- Storage capacity
- Available connections
- Operating system compatibility
We will explain exactly why each of these points is important when purchasing your external hard drive!
In general, all external hard drives have a storage capacity much higher than pen drives. The simplest and cheapest models usually have 320 GB of memory, which is enough to store many files.
The portable models with greater capacity store up to 4 TB. This type of space is suitable for those who have many heavy files, as it is capable of storing a wide variety of images and videos.
Most external HD models have 1 TB to 2 TB of storage capacity. Before choosing your model, you need to assess what your need is, considering the size of the files you would like to store.
Nowadays, most external hard drives for sale have USB 3.0 connections, which guarantees an excellent and fast transfer rate of 5Gbps (the equivalent of about 625 MB/s).
There are models that provide even more speed when transferring. External hard drives with USB 3.1, eSATA or Thunferbolt connections are already available on the market and offer more comfort and speed when transferring files. However, their prices are higher.
Always prefer models that facilitate your daily life and do not provide headaches. Invest in quality external hard drives to ensure greater cost-effectiveness.
Speed and connections are characteristics that must be evaluated separately when purchasing an external hard drive. The connections are related to the ability to transfer files. Speed, on the other hand, is the agility with which HD can access data contained therein.
This is usually measured in RPMs. The more RPMs, the faster your external hard drive will be. The slowest models usually have about 4200 RPM, while the fastest ones reach 10000 RPM.
However, you can only enjoy the speed of your external hard drive if you have a computer with a compatible USB port. A speed of 10000 RPM will only be fully utilized with connections faster than USB 3.0.
Operating system compatibility
To ensure the smooth operation of your external hard drive, it is necessary to verify that it has the same operating system as the computer.
Windows and Mac have different file systems (NTFS and HFS +, respectively). Therefore, there are specific models for each platform. Macs can read HD files on NTFS, but they cannot write new files.
If your system is Linux, external Windows-compatible hard drives will function normally.
Some models of external HD are very light, while others, heavier. Desktop hard drives, for example, weigh more than notebooks, in addition to being larger. Therefore, they are more difficult to transport.
If you are looking for a model that is easy to transport, you must take into account the weight of the external hard drive. Even among notebooks, there is a wide range of weights.
Some models are so light and compact that they can even fit in your pocket. The weights of portable hard drives usually range from 350 g to more than 1 kg.
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