NAS is better than external hard drive if you have high requirement in storage capacity.ĭon’t throw away your external hard drive when it stops working. In this way, the storage space shortage issue could be fixed easily. Actually, bays refer to the extra space which makes it possible for us to add extra hard drives to the network.
Yet, NAS contains different models, which are designed on the basis of bays. If you need more space, you have no choice but to delete current files or buy a new drive with larger capacity. The storage capacity of external hard drives is fixed. Which one is better, external drive or NAS, is decided by how many computers you have. All computers connected to your routers could enjoy simultaneous access to your data as long as the NAS is connected to your home/office network Yet, if you have two or more computers, you may as well choose NAS drive. 
The number of connection ports on computer or the hard drive itself decides the access to files directly.
External hard drive is a better choice for users who have only one computer. Physical Storage, Which Is Better? Number of Computers In terms of accessibility, NAS is better than external drive. Besides, you can also let other people to access your data via internet connection. This is what people called Cloud service, which is included in most of the NAS drives. With NAS, you are allowed to access files remotely, without any contact, under the condition that you have an account setup. That is to say, you need to plug in the external drive to a compatible port on a computer or other device. To access files stored on an external hard drive, you must have physical contact with it. But you need to know that most of the external drives enjoy great portability.Īs a result, if you need to take the data with you or if you don’t have power supply or have no/poor internet, you should choose an external drive. Of course, there are some external hard drives that have big size and need power source (instead of computer USB port). Besides, both the power supply and router are necessary for the normal working of NAS. Yet, the NAS is always made up of boxes, which are often placed in a permanent position. Besides, neither internet connectivity nor power supply is required. The external drives are so compact that it can be carried around everywhere in your backpack, even pocket. In general, the external hard drive is equipped with small size. Here, in the following content, I’ll compare them in mainly 4 aspects. 
What are the differences between them? The most obvious differences may be: NAS is more flexible and offers more features when compared to external drive it is regarded as a hard drive with a brain.īefore you finally decide to purchase an external hard drive or spend cash for some of the best NAS for home use, you’d better read the comparison of NAS hard drive and external hard drive. Though NAS and external hard drive can be both used to keep documents, videos, and other types of data, they are not the same.
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