Hard disk

Types of hard drives

The hard drive is the unit that stores and provides quick access to a large amount of data. Hard drives are very common because without them no information can be saved on the computer. Depending on the device on which you are going to store the information, you will need a certain type of hard drive. Computers, laptops, servers, video recorders for surveillance cameras use at least one HDD. In this category, DVR and desktop hard drives, SSD hard drives, laptop HDDs, external HDDs are available.

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Hard Disk for DVR and PC

Hard drives suitable for video surveillance systems

Hard drives of different capacities from 1TB to 6TB. The hard drives sold in our online store are Western Digital and Seagate. In this category you will find HDDs that meet the requirements of your application. Depending on the type of HDD and storage capacity, you can opt for WD hard drives from the Purple series, designed especially for surveillance systems or from the Red, Red Pro, Green, Black, etc. series, but also for Seagate hard drives from the series dedicated to surveillance systems. DVRs support SATA HDDs of up to a maximum of 6TB each depending on the model, and NVRs allow the installation of HDDs of up to 4TB each. The option for one model or another is entirely up to you, but we offer you some suggestions to help you make the best decision.

Depending on the surveillance system you own or are going to install, it is a good idea to decide how you will make the recordings. A 4TB HDD may seem like a large storage capacity, but if your system contains many cameras that you want to record continuously at a very good resolution, then the space allocated for storing the recordings will be significantly reduced. It is important to note that you can select from the DVR / NVR menu the recording method, namely: continuous, in which case the HDD will fill up quite quickly, scheduled or on motion detection, in which case you can save enough space on the HDD if normally there is no continuous movement in the place where you have installed the cameras. In addition, if you select recording at a very high resolution, the HDD will fill up again very quickly, the size of the stored data being very large. One option would be to view the cameras at high resolution, and record at a slightly lower resolution to increase the storage time on the hard disk . It is good to opt for special HDDs to form the best surveillance systems , as they are built to operate non-stop and meet the parameters necessary for the safe storage of recordings made.

SSD

Computers need quality SSDs

SSD hard disk comes from solid-state drive and is a non-volatile storage media device that saves data on a solid-state flash memory (drive with chips). There are two main components that make up an SSD, namely: a flash controller and NAND flash memory chips. The configuration of an SSD is optimized to provide high performance in writing and reading for any type of request, be it sequential or random. Unlike a classic hard disk , an SSD does not include components that can break.

HDD Laptop 2.5

Laptop hard drives are different from classic HDDs

Laptop hard drives are smaller, 2.5" in size, unlike standard 3.5" desktop HDDs . The functions of the two are similar, laptop HDDs come in different capacities and have different rotation speeds depending on the model. Each user's requirements ultimately dictate the choice of the right laptop hard drive.

External hard drive

External hard drive useful for fast data transfer

An external HDD works like a standard hard drive or an SSD, except that it is connected to the computer from the outside. Some types of external hard drives transmit power over the same cable as the data cable, while other models require separate power. Regardless of the capacity of each external HDD, they can connect to a computer either via USB, eSATA, or even wirelessly. Being small, external hard drives are portable and you can have and access a large amount of data at any time you need.

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SSD Extern Dahua T70 1TB 2.5 USB-Type C 3.2 R/W speed: up to 510MB/s/up to 490MB/s

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SSD extern Dahua, T70, 1TB, 2.5, USB-Type C 3.2, R/W speed: up to 510MB/s/up to 490MB/s

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