Description
SAS Interface and Transfer Rate
SAS (Serial Attached SCSI) is a high-speed data transfer interface that connects storage devices to a computer. It is a point-to-point interface that operates at 12 Gbps (gigabits per second), making it faster than its predecessor, SATA (Serial ATA). The transfer rate is the speed at which data can be transferred between the storage device and the computer.
A SAS interface supports multiple data transfers at the same time, making it more efficient than SATA, which operates on a single channel. This means that SAS can support multiple storage devices in a single interface, improving data transfer speed and overall system performance. In addition, SAS provides a high level of reliability and is commonly used in enterprise storage systems, data centers, and high-performance computing environments.
The 128MB SFF (Small Form Factor) hard drive with a SAS interface and 12 Gbps transfer rate offers a high level of performance and speed for data-intensive applications. With a large cache size and fast rotational speed, the drive is able to quickly access and transfer data, improving system responsiveness and overall performance.
Rotational Speed and Cache Size
Rotational speed refers to the speed at which a hard drive’s disk spins. It is measured in rotations per minute (RPM) and is a key factor in determining the drive’s performance. A higher RPM means that the disk spins faster, allowing the drive to access data more quickly.
The cache size is a memory buffer on the hard drive that stores frequently accessed data, improving the drive’s performance. The cache size is measured in megabytes (MB) and is used to temporarily store data that is being transferred between the hard drive and the computer. A larger cache size means that more data can be stored in the cache, allowing the drive to access data more quickly and reducing the time it takes to transfer data between the hard drive and the computer.
In the case of the Dell 1.2TB SAS 12Gbps 10K RPM 128MB SFF Hard Drive, the rotational speed is 10,000 RPM and the cache size is 128 MB. The combination of a high rotational speed and large cache size makes this drive suitable for demanding applications, such as data centers, enterprise storage systems, and high-performance computing environments, where speed and performance are critical.
Power Consumption and Heat Dissipation
Power consumption refers to the amount of electrical power that a device, such as a hard drive, requires to operate. This is an important factor to consider when designing or upgrading a computer system, as it can impact the overall energy efficiency of the system and the cost of running it.
Heat dissipation is the process by which a device, such as a hard drive, releases or disperses the heat generated during operation. High temperatures can negatively impact the performance and reliability of a hard drive, so it is important to manage the heat generated by the drive.
In the case of the Dell 1.2TB SAS 12Gbps 10K RPM 128MB SFF Hard Drive, power consumption will depend on the specific use case and operating conditions, but is generally in line with similar hard drives in its class. The drive is designed to operate within a certain temperature range and will have features to manage heat dissipation, such as using temperature sensors to monitor and control the temperature of the drive.
Proper ventilation and cooling in the computer system can also help to manage heat dissipation and ensure the stability and longevity of the hard drive.
General Information
- Manufacturer : Dell
- Dell Part Number : 0KV02
- Product Type : Hard Disk Drive With Tray
Technical Information
- Device Type : Hard Drive With-Tray – Hot-Plug
- Storage Capacity : 1.2 TB
- Interface : SAS 12GB/S
- Form Factor : 2.5 Inch
- Features : Advanced Format 512N
Performance
- Data Transfer Rate: 1200 MBPS External
- Spindle Speed : 10000 RPM
- Interfaces : 1 X SAS 12GB/S
- Compatible Bays : 1 X Hot-Plug – 2.5inch
