The 0B22890 is a model number for a Hitachi 450GB internal hard drive that uses SAS (Serial Attached SCSI) interface with a 3Gbps data transfer rate. It has a 15K RPM (revolutions per minute) spindle speed and a 3.5-inch form factor with a 16MB cache. In this article, we will discuss in detail the technical specifications and features of this hard drive.
CapacityThe Hitachi 0B22890 internal hard drive has a storage capacity of 450GB, which means it can store up to 450 billion bytes of data. This is equivalent to approximately 450 hours of standard-definition video, 150 hours of high-definition video, or 90,000 digital photos. This capacity is suitable for use in servers, workstations, and other high-performance computing environments that require large amounts of storage space.
InterfaceThe 0B22890 uses the SAS (Serial Attached SCSI) interface, which is a high-speed, point-to-point interface used for connecting hard drives, solid-state drives, and other storage devices to a computer system. The SAS interface provides faster data transfer rates and more reliable data transmission than the older parallel SCSI interface. The 3Gbps data transfer rate of this hard drive means it can transfer up to 3 gigabits of data per second, which is faster than many other hard drives on the market.
Spindle SpeedThe spindle speed of a hard drive refers to the number of revolutions per minute (RPM) at which the disk platters inside the drive rotate. The higher the spindle speed, the faster the hard drive can access and transfer data. The Hitachi 0B22890 has a spindle speed of 15,000 RPM, which is considered a high-speed drive. This high speed makes it suitable for use in applications that require fast read and write speeds, such as database servers, video editing workstations, and scientific computing environments.
Form FactorThe Hitachi 0B22890 has a form factor of 3.5 inches, which means it is designed to fit into a standard desktop or server computer chassis. This form factor is larger than the 2.5-inch form factor commonly used in laptop and notebook computers but smaller than the 5.25-inch form factor used in older desktop computers. The 3.5-inch form factor is the most common size for internal hard drives used in modern desktop and server computers.
CacheThe cache of a hard drive refers to a small amount of high-speed memory that is used to temporarily store frequently accessed data. This helps to speed up the data transfer rate and improve the overall performance of the hard drive. The Hitachi 0B22890 has a cache size of 16MB, which is a moderate amount of cache compared to some other hard drives on the market. However, the combination of the 15K RPM spindle speed and the SAS interface make this hard drive a high-performance device, even with a relatively small cache size.
Reliability
The Hitachi 0B22890 is designed to be a reliable and durable hard drive. It has a Mean Time Between Failure (MTBF) rating of 1.6 million hours, which means it is expected to operate continuously for over 180 years before experiencing a failure. This MTBF rating is higher than many other hard drives on the market, which makes the 0B22890 a good choice for use in critical applications where downtime is not acceptable.
In Summary, the Hitachi 0B22890 is a high-performance internal hard drive with a 450GB storage capacity, 15K RPM spindle speed, 3.5-inch form factor, 3Gbps SAS interface, and 16MB cache.
General Information about the Hitachi 0B22890- Manufacturer: Hitachi
- Part Number or SKU# 0B22890
- Product Type: Hard Disk Drive
- Product Name: 450GB 15K RPM SAS-3GBPS
- Capacity: 450GB
- Speed: 15,000RPM
- Form Factor: 3.5Inch x1.0 Inch LFF Hard Drive
- Sector Size: 512 / 512e
- Sustained Throughput: 100 - 160
- Average Seek Time: 3.6 Inch
- Electrical Interface: SAS Serial Attached SCSI - 3.0GBPS
- On-Board Cache: 16MB
- Width : 4 Inch
- Depth : 5.8 Inch
- Height : 1 Inch
- Weight : 1.52 Lbs
Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.
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