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the database.SATA Hard Disk Technology SATA hard disks utilize a motorized spindle, upon which rests a flat, circular disk known as a platter. The platter is itself made of non-magnetic material, although it has a thin coating of magnetic material and a layer of carbon to protect the surface. The spindle spins the platter at high speed, while an actuator arm uses read and write heads to magnetize areas on the surface of the platter. These magnetized areas store the data being written on to the disk. Solid-State Dr free wholesale business plan template ive Technology SSDs are most common in two configurations, DRAM and flash memory. Both systems are essentially a microchip with a memory system and a controller, and no moving parts. DRAM drives are similar to a RAM memory module, offering high speeds but no d Bio Limousin Moteur de recherche ata persistence when the power supply is removed either by shutdown or an outage. An internal battery or external ACDC power sourc .

r operational lifespan than SSDs. This is because of their incorporation of moving parts, which over time will begin to wear down. After enough time has passed, the moving parts will wear out and the drive itself will cease to function. SSDs suffer minimal wea r and can last for much longer as a result of the lack of moving parts. Environmental Vulnerability SATA drives are vulnerable to damage from impact, shocks, and vibrations. Any disruption of the moving parts can cause them to impact one another, which can cau free audio books in spanish online se severe damage to the platters surface, the readwrite heads, or the spindle. The use of magnetic technology in SATA drives also means that they are more vulnerable to electromagnetism and radiation. SSDs are solid units, and because there are no moving parts Bio Limousin Moteur de recherche to impact one another or magnetic properties, they are considerably more resistant to impacts, shocks, vibrations, electromagneti .

ssipated using a fan or other cooling system to prevent damage to the drive or other components inside the computers case. SSDs re quire minimal power or cooling, as they have no moving parts or magnetic components. Sound Generation With moving parts and a fan to cool the system, SATA drives can become quite loud when running. The platter revolves at upwards of 15,000 rpm, depending on th e disks set speed, and when the system encounters high demand the fan must run harder to keep things cool. Together, both processe patricia polacco audio books free s can generate a lot of noise, most commonly a whirring sound. SSDs feature no moving parts and minimal cooling, and as a result p roduce very little, if any sound. Price As of mid-2011, SATA drives are inexpensive when compared to SSDs. SSD technology is still Bio Limousin Moteur de recherche not as widespread, resulting in higher retail prices. Depending on the brand and disk capacity, it may be more economical to inst .

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