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IDE,SATA,PATA diff

come on man
By come on man
in Storage Devices
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6 minutes ago, come on man said:

What's the difference between IDE,SATA,AHCI and PATA? I read some stuff in google and I'm confused now -_- . SATA and PATA are ports for HDD/SSD/Optical drives(SATA are newer)?IDE is slot for Optical drives?

In modern use, PATA and IDE are the same thing and they can be used both for HDDs and optical drives. The old PATA-devices have this annoying, bulky 40-pin connector and they are pretty slow. SATA is the newer standard, with a lot more compact connector and much faster maximum speeds.

Hand, n. A singular instrument worn at the end of the human arm and commonly thrust into somebody’s pocket.

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For practical PATA=IDE and is obsolete, so don't worry about it. They could be used with optical drives and HDs back in the day. They went out of fashion around the time affordable SSDs started appearing.

 

SATA I think we all know.

 

AHCI is an odd one. Most well known as a common protocol used for SATA, it isn't exclusively a SATA thing. There are M.2 PCIe drives using AHCI protocol, as a predecessor to NVMe it offered similar speeds faster than SATA, but wasn't optimised for lower latency. They only really existed for a short time before NVMe took over.

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Posted
1 hour ago, come on man said:

What's the difference between IDE,SATA,AHCI and PATA? I read some stuff in google and I'm confused now -_- . SATA and PATA are ports for HDD/SSD/Optical drives(SATA are newer)?IDE is slot for Optical drives?

Don't forget SCSI, SAS, RLL and MFM!

 

(j/k)

NOTE: I no longer frequent this site. If you really need help, PM/DM me and my e.mail will alert me. 

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