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Types of Hard Disk

Blue Ray
Blue Ray

Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format. It was designed to supersede the DVD format, and is capable of storing several hours of video in high-definition (HDTV 720p and 1080p) and ultra high-definition resolution .

CD-ROM CD-R CD-RW
CD-ROM CD-R CD-RW

The time it takes to format a CD-R disk depends solely on the size of the disk, the speed of the CD burner and the size of the files that will be transferred to it. Formatting is a simple process that does not require much technical activity. Applying settings and configurations to the disk is all that needs to be done. Insert a blank CD-R into your CD-ROM hard drive. Exit out of the AutoPlay ...

DVD-ROM DVD-R DVD+R DVD-RW
DVD-ROM DVD-R DVD+R DVD-RW

You’ve got the “minus” (“-“) formats (DVD-R, DVD-RW) and the “plus” (~ez_ldquo+ez_rdquo~) formats (DVD+R, DVD+RW), then there’s the older DVD-RAM format that’s harder to find these days.

image: ebay.com
Floppy Drives
Floppy Drives

The floppy disk was the primary method to transfer data between computers and back up files externally, from the late 1900s all the way up to the early 21st century. For the most part, the floppy disk drive is now completely obsolete.

source: lifewire.com
image: hddclub.com
Hard Drives
Hard Drives

A hard disk drive (HDD) is a hardware device that's used to store information like software and files. The primary hard disk in a PC is the C drive. A hard disk drive (HDD) is a hardware device that's used to store information like software and files.

source: lifewire.com
IDE
IDE

Integrated Drive Electronics (IDE) hard disks have been around for quite a few years. Prior to these drives, hard disks were interfaced to a PC motherboard via an expansion board known as a hard disk controller.

source: duxcw.com
image: disctech.com
Parallel Advanced Technology Attachment (PATA)
Parallel Advanced Technology Attachment (PATA)

Parallel ATA (Parallel Advanced Technology Attachment or PATA) is a standard for connecting hard drives into computer systems. As its name implies, PATA is based on parallel signaling technology, unlike serial ATA (SATA) devices that use serial signaling technology.

Removable Drives
Removable Drives

Removable disk drives combine the best aspects of hard and floppy disks. They are nearly as capacious and fast as hard disks and have the portability of floppy disks. Their biggest drawback is that they're relatively expensive.

source: webopedia.com
SAS : Serial Attached SCSI
SAS : Serial Attached SCSI

Abbreviated as SAS, Serial Attached SCSI, an evolution of parallel SCSI into a point-to-point serial peripheral interface in which controllers are linked directly to disk drives. SAS is a performance improvement over traditional SCSI because SAS enables multiple devices (up to 128) of different sizes and types to be connected simultaneously with thinner and longer cables; its full-duplex signal transmission supports 3.0Gb/s.

source: webopedia.com
image: disctech.com
SATA : Serial Advance Technology Attachment
SATA : Serial Advance Technology Attachment

Serial Advanced Technology Attachment II (SATA II) is the second generation of computer bus interfaces used to connect motherboard host adapters to high-capacity storage devices, such as hard/optical/tape drives.

SCSI
SCSI

A SCSI target is typically a physical storage device (although software-based SCSI targets also exist). The target can be a hard disk or an entire storage array. It is also possible for non-storage hardware to function as a SCSI target.

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Serial ATA (SATA)
Serial ATA (SATA)

ATA Drives ATA / IDE is an implementation of Hard Disk Drive technology that has the drive controller placed upon the drive itself, as opposed to having it on the moth... This page may be out of date.

source: quora.com
Small Computer System Interface (SCSI)
Small Computer System Interface (SCSI)

The Small Computer System Interface (SCSI) is a set of parallel interface standards that allows PCs to communicate with peripheral hardware faster than previous interfaces. The Small Computer System Interface (SCSI) is a set of parallel interface standards that allows PCs to communicate with peripheral hardware faster than previous interfaces.

Solid State Drives (SSD)
Solid State Drives (SSD)

In a dual-drive system, the manufacturer will install a small SSD primary drive (C:) for the operating system and apps, and add a larger spinning hard drive (D: or E:) for storing files. This works well in theory; in practice, manufacturers can go too small on the SSD.

source: pcmag.com
image: devtome.com

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