Description
Overview of the HP 72GB Hard Drive
The HP 72GB 15K RPM SAS 6GBPS Internal Hard Drive is a high-performance storage device designed for use in HP servers and storage systems. It offers a storage capacity of 72GB and operates at a rotational speed of 15,000 RPM, which results in faster data access and transfer rates.
The hard drive utilizes the SAS (Serial Attached SCSI) interface, which provides a faster data transfer rate and improved reliability compared to traditional SCSI. The SAS interface supports data transfer rates of up to 6Gbps, making it ideal for use in enterprise-level applications that require high-speed data transfer.
The HP 72GB hard drive is designed to work with a variety of HP servers and storage systems, including the HP ProLiant DL, ML, and BL series, as well as HP StorageWorks MSA and P2000 systems. The hard drive is also hot-swappable, which means that it can be replaced without shutting down the system.
Data Transfer Rates and Latency
Data transfer rate refers to the speed at which data can be read from or written to the hard drive. In the case of the HP 72GB hard drive, the data transfer rate is up to 6Gbps, which is the maximum speed supported by the SAS interface.
The data transfer rate is affected by various factors, including the rotational speed of the disk, the size of the data blocks, and the efficiency of the data transfer protocol. The higher the data transfer rate, the faster the hard drive can read and write data, resulting in faster system performance and improved productivity.
Latency refers to the amount of time it takes for the hard drive to respond to a request for data. It is determined by the rotational speed of the disk and the time it takes for the read/write head to access the data on the disk. The HP 72GB hard drive has a rotational speed of 15,000 RPM, which results in lower latency and faster access times compared to hard drives with lower rotational speeds.
Lower latency and higher data transfer rates are particularly important in applications that require high-speed data access and transfer, such as databases, virtualization, and content delivery networks. In these applications, faster data access and transfer can result in improved system performance, reduced response times, and increased productivity.
Power Consumption and Heat Dissipation
Power consumption and heat dissipation are important factors to consider when selecting a hard drive, especially for use in servers and storage systems where multiple hard drives are used. The HP 72GB hard drive has a maximum power consumption of 9.6 watts during operation and 6.2 watts when idle. The power consumption is influenced by various factors such as rotational speed, capacity, and interface type.
Heat dissipation is also a critical factor since hard drives generate heat during operation, which can cause damage to the device and the surrounding components. The HP 72GB hard drive has a typical heat dissipation rate of 32 BTU/hr, which means it can generate up to 32 British Thermal Units of heat per hour during operation.
To mitigate the heat generated by the hard drive, it is essential to ensure adequate cooling in the server or storage system. Many servers and storage systems are designed with built-in cooling systems that regulate the temperature of the internal components. It is important to ensure that the cooling system is operating correctly to prevent damage to the hard drive or other components.
Lower power consumption and effective heat dissipation are crucial in enterprise-level applications that require continuous operation and long-term reliability. Hard drives with low power consumption and efficient heat dissipation can reduce the overall power consumption and cooling requirements, resulting in lower operating costs and increased system reliability.
General Information
- Manufacturer : Hewlett Packard
- Manufacturer Part Number : 512545-B21
- Brand Name : HP
- Product Name : Serial Attached SCSI Internal Hard Drive
- Product Type : Hard Drive
Technical Information
- Storage Capacity : 72 GB
- Maximum External Data Transfer Rate : 600 MBPS
- Rotational Speed : 15K RPM
- Hard Drive Interface : 2 X SAS 600 Serial Attached SCSI
Physical Characteristics
- Form Factor : Internal
- Compatible Drive Bay Width : 2.5
- Hot Swappable : Yes
Shipping Information
- Shipping Dimensions : 5.0 Height X 7.0 Width X 9.0 Depth
- Shipping Weight : 1.12 Lb
Compatibility Information
- Hp Proliant Bl465c G6 Server Series
- Hp Proliant Bl685c G6 Server Series
Hp Proliant Dl Servers
- Hp Proliant Dl2x170h G6 Server Series
- Hp Proliant Dl385 G6 Server Series
- Hp Proliant Dl4x170h G6 Server Series
- Hp Proliant Dl585 G6 Server Series
