Memorex shipped the first HDD, the Memorex 630, in 1968, plug compatible to an IBM model 2311 marking the beginning of independent competition (Plug Compatible Manufacturers or PCMs) for HDDs attached to IBM systems. It was followed in 1969 by the Memorex 660, an IBM 2314 compatible, which was OEM'ed to DEC and resold as the RP02.

IBM's first hard disk drive, the IBM 350, used a stack of fifty 24-inch platters, stored 3.75 MB of data (approximately the size of one modern digital picture), and was of a size comparable to two large refrigerators.

Informed by Jacob Rabinow’s ideas at NBS, IBM developed and shipped the first commercial Hard Disk Drive (HDD), the Model 350 disk storage unit, to Zellerbach Paper, San Francisco in June 1956 as part of the IBM 305 RAMAC (Random …

2025年2月6日 · On September 13, 1956, the IBM 305 RAMAC (Random-Access Method of Accounting and Control) was the first computer to be shipped with a hard drive. The drive contained 50 24-inch platters, was the size of two refrigerators, and weighed a ton.

3 天之前 · The IBM 350, the world's first hard disk, was released in 1956. As the RAMAC computer's memory, it had space for 3.75 megabytes of data.

2023年10月2日 · The world’s first hard drive was the IBM 350 Disk Storage Unit released in 1956. This groundbreaking device marked the beginning of hard drives as a key component of computing systems for businesses and eventually personal use.

2013年6月4日 · The first removable hard drive was created in 1963. The IBM 1311 contained 6 disks and could hold 2.6MB of data. In 1964, the IBM 2311 was the first standardized disk drive, which could be used across multiple versions of the System/360 computer.

2015年9月29日 · The first hard disk drive, the IBM Model 350 disk storage, was invented in 1953 and announced for commercial use on September 14, 1956. Non-test models shipped in 1957. It held 5MB of data and came with the IBM 305 RAMAC system. It was released alongside another very similar model the 650 RAMAC, which came with 355 disk storage.

2015年9月17日 · In 1983, Rodime launched the first 3.5 inch hard drive, complete with two platters and a capacity of 10MB. 1985 Control Data, Compaq, and Western Digital came together in 1985 to create the first 40-pin IDE interface.

2008年7月22日 · So who invented hard disk? The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices. A 5 or 20 megabyte hard disk capacity was considered large in early 70 and 80’s.