Pata hard drives are older and slower than sata hard drives

IDE and SATA are different kinds of interfaces to connect storage devices (prefer difficult drives) to a computer"s mechanism bus. SATA stands for Serial Advanced Technology Attachment (or Serial ATA) and IDE is likewise referred to as Parallel ATA or PATA. SATA is the newer typical and also SATA drives are much faster than PATA (IDE) drives. For many type of years ATA gave the many prevalent and also the leastern expensive interchallenge for this application. But by the start of 2007, SATA had actually largely reput IDE in all brand-new systems.

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The ATA interconfront (ATA represents AT attachment wright here "AT" refers to IBM"s PC/AT for which it was originally built) developed in stperiods from Western Digital"s original Combined Drive Electronics (IDE) interconfront. After the advent of Serial ATA in 2003, the original ATA was retroactively renamed Parallel ATA.


Comparikid chart

IDE versus SATA comparichild chart IDESATAAdvantages Disbenefits Hot plugging (add/rerelocate component while the computer system is running) Speed Data cable Lineage Year Created Jumpers
Maximum compatibility Inexpensive, huge storage capacity.
Lacks support for brand-new technology such as indigenous command queuing and also hot-plugging tough drives Lower MTBF than SAS (700,000 hours to 1.2 million hours of usage at 25 °C), much less suited for servers.
IDE interface does not support hot plugging SATA interchallenge supports hot plugging
data transfers at the rate of up to 133MB/s File transfers at the price of up to 6 Gb/s
Ribbon-prefer, wide, have the right to be up to 18 inches long Narrowhead, have the right to be as much as a meter (roughly 3ft) long. Power and information break-up into two relations.
Superseded by SATA Supersedes Parallel ATA (PATA) aka IDE
1986 2003
In a computer system device, it"s feasible to have actually more than one harddrive. To attach multiple IDE drives, you must chain the ribbon cables from one to the next. The computer system system has actually no concept which is the primary drive, from which to pack the OS. SATA drives do not usage jumpers. Each drive connects directly to the motherboard. To set the main drive, you deserve to accessibility the settings from the computers BIOS (special software program that runs as soon as you begin the computer).

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SATA (right) and IDE (left) difficult drives. The SATA tough drive has the data cable on the right and power cable on the left. The IDE data cable is ribbon-prefer (on the left)

Hard drives require a cable/connection for information and one for power. Parallel ATA only allows information cable lengths up to 18 in (457 mm) while SATA enables cable lengths as much as 1 m (3.28 ft). eSATA cables have the right to be 2 m in size.

IDE is composed of a 40-pin connector attached to a ribbon cable. 80-pin connectors were also introduced later on. The connectors are babsence in a 40-pin connector while in an 80-pin connector, they come in 3 colors: blue - controller, gray - servant drive, and also babsence - master drive. Each cable has actually two or three connectors, one connector is attached to the interconfront that connects to the computer system system (mommy board) and the others are linked to the drives.

SATA consists of an 8 mm wide wafer connector on each end and also the cable has a 7-pin connector, 3 grounds and 4 energetic data lines in two pairs. It has the facility to attach just one drive and so Serial ATA does ameans with Master/Slave configurations.

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Video

This video describes how to change the hard drive on a desktop computer computer; it additionally reflects the differences between SATA and also IDE connector cables.

Adapters and also Incorporated Motherboards

You can buy included motherboards that enable a computer to use both SATA and IDE difficult drives. However before, just among the two might be used at any type of offered time and also both cannot be supplied simultaneously. Adapters are additionally obtainable that allow an IDE drive to be offered via a SATA motherboard and also vice versa. These IDE/SATA adapters mask the underlying tough drive and also simulate its functioning to enhance the expectations of the computer"s motherboard. They generally cost less than $15.

Variants

Two variant of SATA - eSATA and eSATAp - are available. eSATA is supposed for outside connectivity. eSATA cannot supply power from the motherboard to the tough drive. In order to get rid of this limitation, eSATAp drives were introduced. eSATAp port combines the stamina of both eSATA (high speed) and also USB (compatibility) right into a solitary port.

Speed

File move rate for IDE varieties from 5MB/s approximately 133MB/s (ATA100/133). The parallel wire transport mode reached its limit via the rate of 133 MB/s.

SATA took off where ATA stopped as far as speed is pertained to. The initially generation of SATA was 1.2 Gbit/s (150 MB/s; note that MB is megabytes and also Gb is gigabits) similar to PATA/133. Today the 3rd generation of SATA (3.0) (released on May 27, 2009), 6 Gbit/s (600 MB/s) difficult drives and also motherboards are being used.

Operation

Air flow

The wide wire in IDE cables caused airflow troubles inside the situation. The narrower SATA cable enables complimentary airflow inside the instance.

Hot Plugging

SATA drives have a secondary feature of Hot plugging which intend that also as the computer is running drives can be rerelocated or added.

Power Consumption

PATA (IDE) drives need 5 volts and 12 volts in desktop computer develop factor.

SATA drives usage 5 & 12 volts & "can" encompass 3 volts also

yet practically all existing disk drives do not usage the 3.3 V line.

Master/Slave Configuration

SATA has actually likewise done away through the master/slave configuration (technically, tool 0 and tool 1) supplied in IDE drives. With PATA (IDE), attaching two hard disks to the very same channel required one to be collection to be the master, the other the slave. For hardware, this commonly expected setting the best jumper settings.

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But the SATA bus is a serial point-to-allude bus, which means only one device deserve to be associated on each channel. Many type of SATA drives have the right to attach to the motherboard via multiple ports, and also the drive to boot from is mentioned in the BIOS settings.