ST950042 0AS SCSI Disk Device
User Benchmarks

ModelTypeScoreSeq.
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ST950042 0AS SCSI Disk Device50021398831.060.947.544.12
ST950042 0AS SCSI Disk Device50021398831.060.947.544.12
ST950042 0AS SCSI Disk Device50019292760.750.7010.625.73
ST950042 0AS SCSI Disk Device50018786760.800.759.875.53
ST950042 0AS SCSI Disk Device50013852650.720.7312.775.76
ST950042 0AS SCSI Disk Device50013656571.000.686.996.04
ST950042 0AS SCSI Disk Device50012240590.770.7912.455.18
WDC WDS480G2G0C-00AJM // DELL PERC H700 SCSI Disk Devic // Generic USB Flash Disk USB Devic // ST3500418AS ATA Devic // WDC WD10EZEX-60WN4A // SAMSUNG MZMPC128HBFU-000H // Hitachi HDS721616PLA38 // ST320LT012-9WS14C ATA Devic
The measurement of the ST950042 0AS SCSI Disk Device was carried out on Windows. Similar read and write speeds could certainly be achieved with the ST950042 0AS SCSI Disk Device under Linux and MacOS. Of course, the correct hard drive driver should be installed and the correct interface for the ST950042 0AS SCSI Disk Device should be used.
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The ST9500420AS is an internal hard drive from Seagate that belongs to the Barracuda 7200.12 series. This hard drive is often used in desktop computers and other applications that require a reliable and high-performance storage solution.

Technical details


- Capacity: 500 GB (Gigabytes)
- Form factor: 3.5 inches
- Speed: 7200 rpm (revolutions per minute)
- Interface: SATA II (3 Gb/s), backwards compatible with SATA I (1.5 Gb/s)
- Cache: 16 MB
- Average access time: Approximately 8.5 ms (milliseconds)
- Power consumption:
- Idle: Approx. 4.5 W
- During operation: Approx. 7.5 W
- Operating temperature: 0°C to 60°C
- Shock resistance:
- During operation: 63 G (G-forces)
- At rest: 300 G (G-forces)

Features


- SATA II interface: The SATA II interface offers a maximum transfer rate of up to 3 Gb/s and is backwards compatible with older SATA versions, which facilitates integration into various systems.
- 7200 RPM speed: This speed provides a good balance between performance and energy efficiency. The higher speed enables faster data access times compared to 5400 RPM hard drives.
- 16MB Cache: The cache helps deliver frequently used data more quickly, improving overall hard drive performance and responsiveness.
- Advanced Format (4K Sectors): Supports 4 KB sector structure, increasing storage density and improving data storage efficiency.

Areas of application


- Desktop Computers: The ST9500420AS is well suited for desktop PCs that require a reliable and high-performance hard drive to store operating systems, applications and personal data.
- Gaming PCs: Due to its 7200 RPM speed and sufficient cache size, it is a good choice for gaming PCs where fast loading times and fast data transfers are an advantage.
- Data archiving: With a capacity of 500 GB, it offers enough space for storing documents, pictures, music and videos.
- Backup Solutions: This hard drive can also be used for backup applications to store data securely and perform regular backups.

Comparison and performance


- Performance: The ST9500420AS offers solid performance for everyday tasks. Its 7200 RPM rotation speed ensures faster data access times compared to 5400 RPM hard drives, while the 16 MB cache further improves performance.
- Energy Efficiency: The hard drive is optimized for use in desktop computers and offers a good performance to energy consumption ratio. However, it may be less efficient compared to newer models with even higher capacity or better energy efficiency.

Conclusion


The ST9500420AS from Seagate is a reliable and high-performance hard drive for desktop computers and other applications that require a combination of good performance and capacity. With its 7200 RPM speed, 16 MB cache and SATA II interface, it offers solid performance for most general storage needs.
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ST950042 0AS SCSI Disk Device and the compatible operating systems


Windows Server 2025, 2022, 2019, 2016, ... or 2008 and higher

Windows 12, 11, 10 or Windows 7 and higher
Linux (various distributions)
macOS (from version 10.6)

Please note that the exact functions and areas of application may vary depending on the firmware version and configuration of ST950042 0AS SCSI Disk Device.

The ST950042 0AS SCSI Disk Device is a reliable disk in case of problems, failures, file loss and other errors, check the drivers of the ST950042 0AS SCSI Disk Device regardless of whether it is under Windows 12, 11, 10, etc. or Linux and Apples macOS.




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