Computer Hard Drives

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Internal Hard Drives

Internal Hard drives are the central storage device for data on your computer. On it rests the documents you create, the music you listen to, the games you play and the video you view. You'll want to choose a drive which is optimized for your primary purpose.
There are a few main things to consider when selecting a hard drive: internal or external hard drive, connection type, speed and capacity. Whether you call it a Hard Drive, a Hard Disk, or an HDD, budget permitting, always go for the fastest drive you can. Speed of data access is measured using RPMs (revolutions per minute). Typical internal hard drives range from 5400 to 7200 RPM, with more and more 9600, 10,000, 15,000 RPM drive appearing on the scene. A faster rotational speed means greater performance, especially in games, but may cause greater heat and noise.
The capacity, measured in GB (gigabytes), should depend on your own storage requirements. A higher capacity drive will invariably cost more than a smaller drive, so a balance must usually be struck between capacity and cost.
The hard drive interface, whether it's SATA, or SCSI determine a drive's application: IDE and SATA for personal storage and SCSI for enterprise and mission critical storage.

 

Internal Hard Drive SATA 6.0 Gbit/s interface

 

Over the years the industry has increased bus bandwidth from PATA through SATA 1.5 Gb/s and SATA 3 Gb/s to keep up with the demand for higher transfer rates. The next evolution of bus bandwidth has now been achieved with the introduction of SATA 6 Gb/s, (SATA 3.0). This transition to a SATA 6 Gb/s interface aligns with the introduction of SATA 6 Gb/s-supporting chip sets and motherboards coming to the market.This formatt has also transitioned through to the Enterprise grade Hard Drives due to  its far better speed and Effiencency.

 

SAS - Serial attached SCSI Internal Hard Drive Interface

 

Serial Attached SCSI (SAS) is a computer bus used to move data to and from computer storage devices such as server hard drives and tape drives. SAS internal hard drive interface depends on a point-to-point serial protocol that replaces the parallel SCSI bus technology that first appeared in the mid 1980s in data centers and workstations, and it uses the standard SCSI command set. SAS offers backwards-compatibility with second-generation SATA drives. SATA 3 Gbit/s drives may be connected to SAS backplanes, but SAS drives may not be connected to SATA backplanes.SAS has become the backbone of enterprise and datacenter systems and storage mainly due to being able to read and write simulataneosly.

 

Surveillance Internal Hard Drive

Conspiring and hand in hand with the emergance of NAS internal hard drives has been Surveillance internal Hard Drive range with more and more spotlight on security whether at home or in the business these days. Gone are the days it was solely a business application, today systems are tailored for home monitoring requiring strong 24/7 internal hard drives to power them and to record all footage in a fail safe manner.

 

 Internal Hard Drives Surveillance Options

 

Choose a internal hard drive that is designed and engineered for home and business surveillance systems and enjoy the peace-of-mind you can only get from a 24/7 surveillance-class internal hard drive. Seagate have designed their Surveillance HDD internal hard drives for 24/7 failsafe monitoring, while WD also have their Purple and Purple NV series built for 24/7, always-on, high-definition surveillance security systems that can use up to eight hard drives and up to 32 cameras all to keep your office and home all safe and sound, all with Smart Phone monitoring capabilities for peace of mind.