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SATA cables have a maximum length of 3.3ft so that you can mount the hard drive everywhere inside the computer case. Each drive connects directly to the motherboard, with no need for a master-slave configuration. These drives connect directly to the motherboard with cables that are much smaller than the PATA ones, allowing air to flow better inside the computer case. SATA drives improve the overall speed of the PC, allowing apps and games to load faster. SATA computer hard drives can transmit data at a speed of 150, 300 or 600MBps. SATA Drives Are Faster and Require Less Bulky Cables The PATA standard can transmit data at a maximum speed of 133MBps.
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This is possible thanks to the configuration of the motherboard, which has both a primary and secondary PATA channel. The master drive communicates directly with the computer and controls the slave drive. If you want multiple PATA hard drives in your PC, you must connect them with the correct jumpers in a master-slave configuration. These cables may cause overheating inside the computer case, especially for laptops. PATA hard drives need bulky ribbon-like cables to connect to the motherboard. Are PATA Desktop Hard Drives Compatible With Older Computers? HDDs, instead, work better as mass storage devices. Thanks to their speed, SSDs are standard as boot drives. However, HDDs can have up to 10TB of capacity, while SSDs can only handle up to 4TB of storage space. Since they have less fragile internal parts, SSDs are generally more durable. They also tend to generate less heat inside the computer case and to consume less energy than HDDs. SSDs, instead, use flash memory.įor this reason, SSDs are much faster. Inside the hard drive, there's also an I/O controller that communicates with the other components of the computer system. A motor spins the plates while an actuator arm reads and writes on them. HDDs use platters to perform their essential functions. The most common hard drive interfaces are PATA, SATA and SAS. Whether you have a laptop or a desktop computer, there are several types of hard drives to choose from. Computer hard drives contain all the data in your PC, from the operating system to music, movies and video games.