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At least 218 companies have manufactured hard disk drives (HDDs) since 1956. Most of that industry has vanished through bankruptcy or mergers and acquisitions. None of the first several entrants (including IBM, who invented the HDD) continue in the industry today.
Barracuda hard disk from an Alphaserver (4.3 GB) The Seagate Barracuda is a series of hard disk drives and later solid state drives produced by Seagate Technology that was first introduced in 1993. [3] The line initially focused on high-capacity, high-performance SCSI hard drives until introducing ATA models in 1999 and SATA models in 2002.
In the list those manufacturers that also produce hard disk drives or flash memory are identified. Additionally, the type of memory used in their solid-state drives is noted. This list does not include the manufacturers of specific components of SSDs, such as flash memory controllers. [1]
Arm Ltd. (sells designs only) Amazon (AWS Graviton is ARM-based); Apple Inc. (ARM-based CPUs) Broadcom Inc. (ARM-based, e.g. for Raspberry Pi) Fujitsu (its ARM-based CPU used in top supercomputer, still also sells its SPARC-based servers)
For example, a typical 1 TB hard disk with 512-byte sectors provides additional capacity of about 93 GB for the ECC data. [ 65 ] In the newest drives, as of 2009 [update] , [ 66 ] low-density parity-check codes (LDPC) were supplanting Reed–Solomon; LDPC codes enable performance close to the Shannon limit and thus provide the highest storage ...
These new drives, dubbed by the press as the X25-M and X18-M G2 [7] [8] (or generation 2), reduced prices by up to 60 percent while offering lower latency and improved performance. [ 9 ] On February 1, 2010, Intel and Micron announced that they were gearing up for production of NAND flash memory using a new 25-nanometer process. [ 10 ]
As a removable-disk hard drive, it contains a solid hard disk platter on which the data is stored. When the SparQ drive was launched, it was relatively cheap. Compared to the Zip drive whose 100 MB disk could cost US$22, a 1 GB SparQ disk could cost US$39 — slightly less than twice the cost for ten times the storage capacity.
The first generation Quantum Bigfoot drives were introduced around May 1996 [7] and offered in capacities of 1.2 GB (1 platter, 2 heads) and 2.5 GB (2 platters, 4 heads), [8] with suggested retail prices of $225 and $370 respectively. These drives offered only ATA-2 PIO Mode 4 and DMA mode 2 support (16.6 MB/s) and had an average seek time of ...