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SATA, short for Serial Advanced Technology Attachment, is a computer bus interface that connects host bus adapters to storage devices such as hard disk drives, optical drives, and solid-state drives. It is currently the most prevalent storage interface, with most consumer-level hard drives using it. SATA was developed and introduced by Intel in 2003 and has since become the standard for connecting HDDs in desktop or laptop computers.
A "SATA cable" is a specific type of cable used to connect a host bus adapter, such as a motherboard, to large storage devices. It supports hot-plugging, which means the operating system can recognize the device without a full restart of the equipment.
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There have been three generations of SATA cables so far: SATA-1, SATA-2, and SATA-3. Essentially, there isn't much difference between them except for transfer speed and some specifications. Check the chart for more detailed information.
SATA-1 | SATA-2 | SATA-3 | |
Release Date | January 2003 | April 2004 | July 2008 |
Data Transfer Rate | 1.5 Gbps | 3 Gbps | 6 Gbps |
Bandwidth Throughput | 150 MB/s | 300 MB/s | 600 MB/s |
Interface | Serial ATA-150 | Serial ATA-300 | Serial ATA-600 |
There are several types of SATA cables available, but they generally fall into two categories: SATA data cables and SATA power cables.
As the name implies, this cable is used to transfer data. It has a 7-pin connector on each end, one of which will plug into the SATA port on your computer, while the other will connect to your hard drive. To ensure fast data speeds, the cable is usually flat.
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SATA power cables are thicker than data cables because they come equipped with a 15-pin connector. This is mainly designed to supply power to storage devices and optical drives that require electricity. Typically, a SATA power adapter can have one to four connectors, enabling it to provide power to multiple devices that can operate simultaneously.
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There are other types of SATA connectors, such as e-SATA, micro SATA, SATA to USB, low-profile SATA, and so on. If you'd like to learn more about the various types of SATA connectors and the basics of SATA, check out this Wikipedia page (https://en.wikipedia.org/wiki/Serial_ATA).
Using a SATA adapter is straightforward as long as you know what you're doing. All it takes is having the right adapter and making sure each connector is plugged into its corresponding port. Here's a step-by-step guide on how to use a USB-to-SATA adapter to connect a SATA hard drive to your PC: **Step 1.** Power your SATA hard drive by connecting its power cable to a power source. **Step 2.** Check the hard drive to ensure it's functioning correctly. **Step 3.** Connect the SATA hard drive to the USB-to-SATA adapter. **Step 4.** Finally, plug your USB-to-SATA adapter into your computer.
SATA is an advanced and improved version of PATA, and it has now largely replaced PATA for any kind of transfer purpose. So what's the difference between them?
In comparison with PATA, SATA is smaller in size, lower in cost, higher in signal rate, and faster in transmission speed.
Firstly, PATA is physically larger and requires a 40-pin connector, whereas SATA only needs a 7-pin or 15-pin connector, which helps save space and makes it more portable. Additionally, SATA is more cost-effective and consumes less power compared to PATA. Furthermore, transfer speed is a notable difference between the two. Since PATA supports parallel multi-tasking, it is generally slower than SATA. With continuous technological advancements, SATA has been able to achieve faster, more stable, and higher capacity data transfers.
In summary, this article has introduced SATA from four aspects, enabling you to have a comprehensive understanding of SATA cables. SATA adapters play a vital role in connecting PCs and other storage devices, with their variety catering to diverse data transfer and power supply needs.