| 1890 | Herman Hollerith developed a method for machines to record and store information onto punch cards to be used for the US census. He later formed the company we know as IBM today. | 赫尔曼·霍勒瑞斯（Herman Hollerith）开发了一种机器方法，将信息记录并存储到穿孔卡片上，用于美国人口普查。他后来成立了我们今天所知的IBM公司。 |
| 1946 | Freddie Williams applied for a patent on his CRT (cathode ray tube) storing device in December. The device that later became known as the Williams tube was capable of storing between 512 and 1024 bits of data. | 弗雷迪·威廉姆斯（Freddie Williams）于12月申请了他的阴极射线管（CRT）存储设备的专利。后来被称为威廉姆斯管的设备能够存储512到1024位数据。 |
| 1946 | The Selectron tube capable of storing 256 bits of information began development. | 能够存储256位信息的Selectron管开始开发。 |
| 1950 | Before using disks, storage units used magnetic drums referred to as drum machines or drum-memory computers. The first commercial drum machine was developed by the Engineering Research Associates of Minneapolis and used by the U.S. Navy ERA 110. Drum machines were used throughout the early '50s. | 在使用磁盘之前，存储单元使用的是被称为磁鼓机或磁鼓内存计算机的磁鼓。第一台商用鼓式机器由明尼阿波利斯工程研究协会开发，并由美国海军在110年代使用。鼓式机器在整个50年代早期使用。 |
| 1956 | On September 13, 1956, the IBM 305 RAMAC 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. It could store only five megabytes of information and each megabyte cost $10,000. | 1956年9月13日，IBM 305 RAMAC是第一台配备硬盘驱动器的计算机。该驱动器包含50个24英寸的盘片，大小为两台冰箱，重一吨。它只能存储5兆字节的信息，每兆字节花费10000美元。 |
| 1959 | Chucking Grinder Co. began working on disk drives. | Chucking Grinder Co.开始研究磁盘驱动器。 |
| 1961 | Chucking Grinder Co. moved to Walled Lake Michigan and became Bryant Computer Products, a subsidiary of Ex-Cello Corp. company. | Chucking Grinder Co.搬到密歇根州Walled Lake，成为了前大提琴公司的子公司Bryant Computer Products。 |
| 1961 | IBM introduced the IBM 1301 disk storage unit on June 2, 1961, capable of storing 28 million characters. | IBM于1961年6月2日推出了IBM1301磁盘存储单元，能够存储2800万个字符。 |
| 1962 | On October 11, 1962, IBM introduced the IBM 1311 disk storage drive, which stored 2 million characters. | 1962年10月11日，IBM推出了IBM1311磁盘存储驱动器，可存储200万个字符。 |
| 1973 | IBM shipped the 3340 Winchester hard drive with two spindles and a capacity of 30 MB. This drive was the first drive to utilize the Winchester technology. | IBM出货的3340温彻斯特硬盘有两个主轴，容量为30 MB。该硬盘是第一个利用温彻斯特技术的硬盘。 |
| 1980 | Seagate introduced the ST506 hard drive, the first hard drive developed for microcomputers. | 希捷推出了ST506硬盘，这是第一款为微型计算机开发的硬盘。 |
| 1980 | The first gigabyte hard drive was introduced by IBM and weighed 550lbs with a price of $44,000. | 第一款千兆字节硬盘由IBM推出，重550磅，售价44000美元。 |
| 1986 | The original SCSI, SCSI-1, was developed. | 最初的SCSI SCSI-1已开发完成。 |
| 1990 | SCSI-2 was approved. | SCSI-2获得批准。 |
| 1991 | Sandisk (formerly SunDisk) developed the first non-flash SSD (solid-state drive) with a capacity of 20 MB. | Sandisk（前SunDisk）开发了第一款容量为20 MB的非闪存SSD（固态驱动器）。 |
| 1995 | The first flash-based, non-volatile SSD was developed by M-Systems. | M-Systems开发了第一个基于闪存的非易失性SSD。 |
| 1996 | SCSI-3 was approved. | SCSI-3获得批准。 |
| 1998 | SanDisk released the first SSD with PATA interfaces in 1998. | SanDisk于1998年发布了第一款带有PATA接口的SSD。 |
| 2002 | Hitachi closed deal to purchase IBM's hard drive operation for $2.05 billion on December 31, 2002. | 2002年12月31日，日立以20.5亿美元的价格完成了收购IBM硬盘运营商的交易。 |
| 2007 | The first 1 TB (terabyte) hard drive, developed by Hitachi, was released in January 2007. | 日立公司于2007年1月推出首款1 TB（TB）硬盘。 |