Different Types of Hard Drive
Types of High-Performance Hard Drives
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Hard drives are storage devices that store data permanently, regardless of the power being turned off. These storage drives comprise moving platters to read, write and process data. These non-volatile memory modules are available in different types, each compatible with different systems.
Parallel Advanced Technology Attachment (PATA) Hard Drives
PATA HDDs use a Parallel Advanced Technology Attachment interface to connect to the computer. These HDDs were the first to be introduced by Compaq and Western Digital, with a storage capacity of 80GB, followed by data transfer speeds ranging up to 133MB/s. These drives have mechanical moving parts that simultaneously transmit multiple bits of data. Also, PATA drives are called Integrated Drive Electronics (IDE) and Enhanced Integrated Drive Electronics (EIDE).
Serial Advanced Technology Attachment (SATA) Hard Drives
SATA is one of the most common HDDs used for desktops and laptops. SATA HDDs have surpassed PATA HDDs in terms of performance, capacity, and power consumption. For instance, the data transfer for SATA ranges from 150MB/s to 300MB/s. Further, it uses serial signaling technology and is connected to the PC like PATA drives. Additionally, these drives have thinner cables.
Small Computer System Interface (SCSI) Hard Drives
SCSI HDDs are the upgraded version that has surpassed SATA and PATA with their exceptional capability to possess seamless round-the-clock operations, storage capacities, speed, and other factors. SCSI drives use a small computer system interface to connect peripheral devices like printers, scanners, and others. Moreover, these HDDs can transmit data at 320MB/s.
Solid State Drive (SSD)
SSD is one of the latest storage technologies. Unlike HDDs, SSDs do not contain moving platters, making them more reliable as they store data on integrated circuits. SSDs are less prone to damage, and data corruption, making them more reliable and durable. Also, SSDs have faster data transfer speeds ranging up to 550MB/s compared to the previous versions of HDDs.
SAS Hard Drives
SAS HDDs are available in two types such as 10K and 15K. These drives are more reliable for enterprise computing as it offers high speed and capability to cater to data-intensive workloads. Furthermore, SAS HDDs have a storage capacity of around 900GB with a cable of about 100 meters that helps with smooth data transmission and power transmission to the system.
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