Difference Between ATA and SATA (With Table)

Hard drives are utilized to store the data that we have accumulated over time. In the meanwhile, we’ll talk about hard disc drives, often known as HDDs, which are attached to the motherboard via an interface. It is known as ATA (Advanced Technology for Access and Transfer), a concept designed to increase data access and transfer quality. Initially, it was considered the best, but a few problems caused the developers to doubt its capabilities, and the SATA was developed. First, let’s look at the distinctions between the two options.


The main difference between ATA and SATA is how data is transformed. SATA serially sends data, one device after another, on the other hand, ATA sends data parallel. Storage data can be transferred across ATA and SATA hard disc drive interfaces. Distinguishing features include their speed, structure, and other traits

Since its inception in 1986, the ATA concept has grown in popularity. It was possible to transfer data at significantly faster speeds thanks to advancements in connecting interfaces and the compression of hard drives. As a result, the rate of change has risen dramatically. As a result, it was also known as the ATA (Advanced Technology Attachment) or the IDE (Integrated Drive Electronics) (Integrated Drive Electronics). Compared to SATA, the data transformation model was permitted to run parallel, contributing to the lower transfer rate.

SATA is an improved version of the ATA interface, and SATA is a standard interface. Data transfer speeds were increased with the introduction of SATA technology in 2003. A further distinction from the ATA is that it transfers data serially rather than sequentially as with the latter. It is also less comprehensive than ATA and has fewer pins, addressed later in this document.

Comparison Table Between ATA and SATA

Parameters of comparisonATASATA
Known asTechnologically Sophisticated Add-OnAttachment for Serial Advanced Technology
Speed of data transformationSpeeds up to 133 megabits per secondUp to 152 Mbps download speed
Mode of data transformationParallellySerially
CompatibilityIncompatible with today’s computer bus interfaces, it’s a dated notion.The ATA standard should be upgraded to include more advanced features for the next generation of computer bus interfaces.
No of pinsPins with a diameter of 40 mmThere are seven pins in all (data cable)

What is ATA?

The primary principle behind ATA is the integration of electronic devices through the use of network connections. A subset of I/O Device Electronics (or IDE) is Advanced Technology Attachment, an extension of I/O Device Electronics. The interface is primarily responsible for connecting the motherboard and the computer’s hardware to transform data.

It’s also called the HDD interface since it will enable data from a storage device to be accessible through a computer’s network interface (hard disc). The notion was first proposed around the year 1986. Since then, it has been working perfectly until introducing a new updated version of SATA, which enhanced the speed of the transformation, resulting in the replacement of ATA with a more recent version.

The ATA data cable includes 40 pins, allowing the coupling of 40 wires to be made possible. Moreover, its components are divided into male and female portions, with the latter connecting with and securing the female part to the socket. As a result, it is more prominent and more noticeable, and it has two connectors that allow it to hold two gadgets.

The bands were typically white. The employment of similar signal technology achieves data transfer rates of 133 megabits per second in the transformation process. With another way of putting it, the data is altered simultaneously with the many transformations. The fact that it is relatively slow and hence not supported by newer computer bus interfaces could be the reason for its obsolescence in this case.

What is SATA?

After being phased out in 2003 in favor of SATA, ATA (also known as PATA, or parallel ATA) became the standard (Serial ATA). Parallel and serial data transformation are the modalities of data transformation that are represented by the words.

By utilizing SATA, you can serially send data. When you say one after the other, you’re referring to the pace of data transformation. In recent times, the SATA interface has become more widely supported by computer manufacturers, and modern computers with an ATA port are scarce to stumble across. Like ATA, it connects the storage device to the motherboard, making it possible to simultaneously retrieve and transmit data between the two devices.

The transformation rate is faster with SATA since it has fewer pins than SATA2. One hundred fifty-two megabits per second are the maximum speed SATA can transform data. Aside from being thinner than ATA, SATA can only connect a single device instead of ATA’s wider width. It is simpler to set up SATA than it is ATA.

Main Differences Between ATA and SATA

  1. A computer reboot is required for each attachment and detachment of an ATA drive, whereas SATA automatically detects and detaches a dream without the need for a reboot.
  2. Parallel Advanced Technology Attachment, also known as PATA, is another name for ATA, while Serial Advanced Technology Attachment is another name.
  3. It is roughly 133 megabits per second in the case of ATA and approximately 152 megabits per second in the case of SATA for data transformation (approx).
  4. Parallel transformation is used in ATA, whereas serial change is used in SATA.
  5. SATA is used across all-new generation computer bus interfaces. However, ATA is old and incompatible with future generation computer bus interfaces, whereas ATA is not.


When you hear the term “Integrated Drive Electronics,” you think “ATA,” which stands for “Advanced Technology Attachment.” To allow data to be changed, the interface connects the computer’s motherboard to the computer’s hardware. There are 40 pins on the ATA data cable, allowing for the connection of 40 wires.

It is possible to send information in a serial fashion using SATA technology. One hundred fifty-two megabits per second are the maximum speed SATA can transform data. With a narrower width and the ability to connect only one item, SATA is more compact than ATA, and it is much easier to set up SATA than ATA. It comes with a seven-pin data cable and a fifteen-pin power supply cable.

For the most part, the data conversion methods used by ATA and SATA are very different. Data is sent in a stream from one device to another using ATA, while SATA works parallel. As a result, there are two types of complex disc interfaces: Serial ATA (SATA) and Parallel ATA (PATA). It is because of these features that they stand out.


  1. https://books.google.com/books?hl=en&lr=&id=8O-sBAAAQBAJ&oi=fnd&pg=PP1&dq=ATA+and+SATA+&ots=izYFeOfldf&sig=C-LiDXdwDpQZm1couDzyPorVvOw
  2. https://www.microsoft.com/en-us/research/publication/a-quick-look-at-serial-ata-sata-disk-performance/