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  2. File size - Wikipedia

    en.wikipedia.org/wiki/File_size

    File size is a measure of how much data a computer file contains or how much storage space it is allocated. Typically, file size is expressed in units based on byte. A large value is often expressed with a metric prefix (as in megabyte and gigabyte) or a binary prefix (as in mebibyte and gibibyte). [1]

  3. Orders of magnitude (data) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(data)

    30,000,000 bits – The first commercial harddisk IBM 350 in 1956 could store 3.75 MiB for a cost of US$50,000, [5] equivalent to $560,343 in 2023. 2 25 33,554,432 bits (4 mebibytes) – RAM capacity of stock Nintendo 64 and average size of a music track in MP3 format.

  4. Gigabyte - Wikipedia

    en.wikipedia.org/wiki/Gigabyte

    114 minutes of uncompressed CD-quality audio at 1.4 Mbit/s is approximately 1 GB. A single-layer DVD+R disc can hold about 4.7 GB. A dual-layered DVD+R disc can hold about 8.5 GB. A single-layer Blu-ray can hold about 25 GB. The largest Nintendo Switch cartridge available on the market holds about 32 GB. A dual-layered Blu-ray can hold about 50 GB.

  5. USB flash drive - Wikipedia

    en.wikipedia.org/wiki/USB_flash_drive

    USB drives with USB 2.0 support can store more data and transfer faster than much larger optical disc drives like CD-RW or DVD-RW drives and can be read by many other systems such as the Xbox One, PlayStation 4, DVD players, automobile entertainment systems, and in a number of handheld devices such as smartphones and tablet computers, though ...

  6. Solid-state drive - Wikipedia

    en.wikipedia.org/wiki/Solid-state_drive

    HDDs use between 2 and 5 watts for 2.5-inch drives, while high-performance 3.5-inch drives can require up to 20 watts. [35] Acoustic noise SSDs have no moving parts and are silent. Some SSDs may produce a high-pitched noise during block erasure. [36] HDDs generate noise from spinning disks and moving heads, which can vary based on the drive's ...

  7. Optical storage - Wikipedia

    en.wikipedia.org/wiki/Optical_storage

    Single-layer DVDs can hold 4.7 GB, while dual-layered can hold 8.5 GB. This can be doubled to 9.4 GB and 17 GB by making the DVDs double-sided, with readable surfaces on both sides of the disc. HD DVDs were able to store 15 GB with a single-layer and 30 GB with a dual-layer.

  8. Computer data storage - Wikipedia

    en.wikipedia.org/wiki/Computer_data_storage

    Most rewritable and many write-once optical disks already use phase-change material to store information. Holographic data storage stores information optically inside crystals or photopolymers. Holographic storage can utilize the whole volume of the storage medium, unlike optical disc storage, which is limited to a small number of surface layers.

  9. Ultra HD Blu-ray - Wikipedia

    en.wikipedia.org/wiki/Ultra_HD_Blu-ray

    Ultra HD Blu-ray (4K Ultra HD, UHD-BD, or 4K Blu-ray) [2] [3] is a digital optical disc data storage format that is an enhanced variant of Blu-ray. [4] Ultra HD Blu-ray supports 4K UHD (3840 × 2160 pixel resolution) video at frame rates up to 60 progressive frames per second, [4] encoded using High-Efficiency Video Coding. [4]

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