Description
Power Consumption
Power consumption refers to the amount of electrical power required by a device to operate. Hard drives, like the HPE 857644-H21, consume power to spin the disk platters, move the read/write heads, and power the electronic components that control the drive.
The power consumption of a hard drive can be measured in watts (W) and is affected by factors such as the drive’s capacity, rotational speed, and other features. The power consumption of HPE 857644-H21 hard drive is not specified by the manufacturer, however, in general, hard drive power consumption can be broken down into two categories: idle power and active power.
Idle power refers to the amount of power consumed by the drive when it is not actively reading or writing data. This power consumption is generally low and is used to keep the drive spinning and the electronic components powered on.
Active power refers to the amount of power consumed by the drive when it is actively reading or writing data. This power consumption is generally higher and can vary based on the specific activity the drive is performing.
It is important to consider the power consumption of a hard drive, especially when deploying large numbers of drives in a data center or other high-density environment.
Environmental specifications
Environmental specifications refer to the operating conditions under which a device, such as the HPE 857644-H21 hard drive, can function correctly and reliably. These specifications typically include parameters such as temperature, humidity, and vibration.
The HPE 857644-H21 hard drive has the following environmental specifications:
- Operating temperature range: 5°C to 55°C (41°F to 131°F)
- Non-operating temperature range: -40°C to 70°C (-40°F to 158°F)
- Operating humidity range: 8% to 90% non-condensing
- Non-operating humidity range: 5% to 95% non-condensing
- Operating vibration: 0.25 Grms (5 to 500 Hz)
- Non-operating vibration: 3.0 Grms (5 to 500 Hz)
It is important to note that the hard drive should be operated within the specified temperature and humidity range to ensure proper functioning and to prevent damage to the drive. In addition, the vibration specification is important to ensure the drive can withstand the vibration that may be caused by the equipment it is installed in.
It’s also important to consider the altitude and airflow around the drive, as well as the storage conditions, as the HPE 857644-H21 hard drive is intended for use in data centers and other enterprise-class storage environments.
Performance Comparison
Performance comparison refers to the process of evaluating and comparing the performance characteristics of different devices, such as hard drives. In the case of the HPE 857644-H21 hard drive, performance comparison would involve comparing its capabilities and specifications to those of other hard drives on the market.
Some of the key performance metrics that can be used to compare hard drives include:
- Capacity: The amount of storage space available on the drive.
- Rotational speed: The speed at which the disk platters spin, measured in revolutions per minute (RPM).
- Data transfer rate: The speed at which data can be read from or written to the drive, measured in megabytes per second (MB/s) or gigabytes per second (GB/s).
- Latency: The time it takes for the drive to access a specific piece of data, measured in milliseconds (ms).
- Access time: The average time it takes for the drive to access a random piece of data, measured in milliseconds (ms).
When comparing the HPE 857644-H21 hard drive to other drives, it is important to note that it has a capacity of 10TB, a rotational speed of 7200 RPM, and a data transfer rate of 12GB/s.
It is also important to consider other factors such as compatibility with the host system, power consumption, and environmental specifications, as well as the intended usage scenario, warranty and support options.
Product Information
- Manufacture: HPE
- MPN: 857644-H21
- Type: Hard Drive – Midline
- HDD Type: SAS-12GBPS
- Spare Part Number: 857965-001
- Model Number: MB010000JWAYK
- Assembly Number: 857642-002
- HPE GPN: 857652-002
- SKU: 857644-H21
Technical Information
- Capacity: 10 TB
- Form Factor: 3.5 inch LFF
- Interface: SAS 12GBPS
- Bytes per Sector: 512
- Rotational Speed: 7200 RPM
- Drive Technology (Fill): Helium
- Plug Type: Hot Plug
- Format Type: 512e
- Carrier Type: Smart Carrier (SC)
- Workload: Midline
- Features: Advanced format 512e, Digitally Signed Firmware
- Bundled with: HPE SmartDrive carrier
Dimension and Weight
- Width : 4 Inch
- Depth : 5.8 Inch
- Height : 1 Inch
- Weight : 1.52 Lbs
Performance
- Transfer Rate Synchronous (Max): 12Gb/sec
- Single Track Seek Time: 0.22 ms
- Average Seek Time: 8.00 ms
- Full Stroke Seek Time: 16.00 ms
- OD Media Rate, Max Sequential Throughput (MiB/s): 235
- 128Kib Random 50% RD/ 50% WT (IOPs): 115
Compatibility
- HPE ProLiant DL Series: DL120 Gen9 (3.5 inch), DL120 Gen9 Entry (3.5 inch), DL180 Gen9 (3.5 inch), DL180 Gen9 Base (3.5 inch),
- DL180 Gen9 Entry (3.5 inch), DL180 Gen9 Storage (3.5 inch), DL20 Gen9 (3.5 inch), DL20 Gen9 Entry (3.5 inch),
- DL20 Gen9 Performance (3.5 inch), DL20 Gen9 Solution (3.5 inch), DL360 Gen10 (3.5 inch), DL360 Gen10 Base (3.5 inch),
- DL360 Gen10 Entry (3.5 inch), DL360 Gen10 High Performance (3.5 inch), DL360 Gen10 Low (3.5 inch), DL360 Gen10 Performance (3.5 inch),
- HPE ProLiant ML Series: ML110 Gen9 (3.5 inch), ML110 Gen9 Base (3.5 inch), ML110 Gen9 Entry (3.5 inch), ML150 Gen9 (3.5 inch), ML150 Gen9 Base (3.5 inch), ML150 Gen9 Entry (3.5 inch), ML150 Gen9 Performance (3.5 inch), ML30 Gen9 Entry (3.5 inch), ML30 Gen9 Solution (3.5 inch)
- HPE Enclosures: D3600, D3610
