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The fastest Blu-ray speed is 16×. For CDs, the 1× writing speed is equivalent to the 1× reading speed, which in turn represents the speed at which a piece of media can be read in its entirety, 74 minutes.
CD-ROM drives are rated with a speed factor relative to music CDs. If a CD-ROM is read at the same rotational speed as an audio CD, the data transfer rate is 150 Kbyte/s, commonly called "1×" (with constant linear velocity, short "CLV"). At this data rate, the track moves along under the laser spot at about 1.2 m/s.
25 maj 2018 · The reading speed of a DVD/CD ROM drive should adjust automatically based on the purpose of the DVD/CD media that you insert into this drive. When you install a program from it, the speed will set to max to fully utilize the data transfer.
1 mar 2018 · CD-ROM drives are rated with a speed factor relative to music CDs. If a CD-ROM is read at the same rotational speed as an audio CD, the data transfer rate is 150 KiB/s, commonly called "1×". At this data rate, the track moves along under the laser spot at about 1.2 m/s.
4 paź 2022 · The original drives read at 150Kb/s, varying the speed of the disc to keep the data rate constant. 8x drives could read at 1200kb/s and some 12x drives at 1800 Kb/s. constant linear velocity, so same data rate anywhere on the disc.
16 sie 2024 · Short for Compact Disc Read-Only Memory, a CD-ROM is an optical disc containing audio or software data whose memory is read-only. A CD-ROM Drive or optical drive is the device used to read them. CD-ROM drives have speeds ranging from 1x to 72x, meaning it reads the CD (Compact Disc) roughly 72 times faster than the 1x version.
A standard CD-ROM is capable of holding about 700 Mbytes of data. The first CD-ROM drives moved the disk at the same speed as the audio product, both using CLV, and had a much lower rate — about 150 Kbytes per second — than hard magnetic disks (although higher than floppy disks).
