Laptop's Hard Drives- Speed Also Matters

Buying a laptop? Would you like to upgrade your old with a new hard drive? Besides hard disk space for storing applications, documents, music, movies and other data, you should also pay attention to the speed performance. If you want quick access to stored data on your laptop's hard drive, you should purchase hard drive with SATA interface, higher speed and larger buffer cache size.
Buy a laptop with SATA drive
Serial ATA (SATA) hard disksless power, so they save your laptop's battery. Even your laptop's speed enchase performance. Most hard drives usually support ATA/66 (66 MB / sec), Ultra ATA/100 (100 MB / sec) or SATA (150 Mbps) interfaces. The figures refer to the maximum burst rate at which to pass the data on a drive in the system (66, 100 or 150 megabytes per second can). SATA transmit data in a serial (in a single data stream) to PATA or Parallel ATA to being commonly referred to as an IDE hard diskdrive.
Check the disk rotational speed
Do not forget to check the hard disk speed!
The disk rotation speed, you will learn how fast the drive spins its disks in revolutions per minute (rpm). A higher speed means higher drive performance. A 7,200 rpm hard drive is faster than a 5400 U / min or 4200 rpm and offers a better performance.
Larger buffer cache size - Better Performance
Buffer cache size is a temporary storage area used to improve drivePerformance. If the computer requests data from the disk if the data is stored in the cache, there is a performance directly to the speed of the cache are related. Larger buffer cache size usually results in better performance of the disk. Buffer cache size of most laptop's hard drives is usually 2 MB, 4 MB or 8 MB.

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