ST9500420AS
User Benchmarks
| Model | Type | Score | Seq. Read MB | Seq. Write MB | Read 4k64QD | Write 4k64QD | Read Access msek. | Write Access msek. |
| ST9500420AS | 500 | 200 | 91 | 84 | 0.77 | 0.71 | 10.32 | 5.78 |
| ST9500420AS | 500 | 192 | 88 | 82 | 0.57 | 0.59 | 11.20 | 7.17 |
| ST9500420AS | 500 | 186 | 84 | 81 | 0.72 | 0.64 | 13.49 | 6.34 |
| ST9500420AS | 500 | 179 | 85 | 68 | 0.89 | 0.87 | 10.53 | 5.32 |
| ST9500420AS | 500 | 168 | 86 | 82 | 0.00 | 0.00 | ||
| ST9500420AS | 500 | 162 | 91 | 59 | 0.79 | 0.63 | 15.40 | 7.51 |
| ST9500420AS | 500 | 162 | 74 | 66 | 0.73 | 0.64 | 11.82 | 7.14 |
| ST9500420AS | 500 | 152 | 81 | 71 | 0.00 | 0.00 | ||
| ST9500420AS | 500 | 61 | 18 | 32 | 0.65 | 0.56 | 23.69 | 9.24 |
The measurement of the ST9500420AS was carried out on Windows. Similar read and write speeds could certainly be achieved with the ST9500420AS under Linux and MacOS. Of course, the correct hard drive driver should be installed and the correct interface for the ST9500420AS should be used.
The Seagate ST9500420AS is a hard disk drive (HDD) from the Seagate Momentus series. This series offers reliable and high-performance hard drives for various applications, especially for laptops and portable storage solutions. Here are the detailed information, technical specifications and application areas of the Seagate ST9500420AS:
Description
The Seagate ST9500420AS is a 2.5-inch hard drive designed for use in laptops and portable computers. It offers a storage capacity of 500 GB and uses the SATA II interface, which offers good performance for a variety of storage needs. This hard drive is designed to offer a balance between capacity, speed and reliability.
Technical details
- Capacity: 500 GB (Gigabytes)
- Form factor: 2.5 inches – standard size for laptop hard drives and portable storage devices
- Interface: SATA II (SATA 3 Gb/s)
- Speed: 5400 rpm (revolutions per minute)
- Cache: 8 MB
- Storage technology: Platter-based hard disk drive (HDD) with magnetic data storage
- Average access time: Approximately 12 ms
- Data transfer rate: Typically up to 60 MB/s (depending on interface and system configuration)
- MTBF (Mean Time Between Failures): Typically 600,000 hours
Features
- Capacity: 500GB of storage, enough for most everyday applications, operating systems and data.
- SATA II interface: Enables data transfer rates of up to 3 Gb/s, which is sufficient for many applications.
- 5400 rpm: The speed offers a compromise between performance and energy efficiency, making it ideal for use in laptops.
- 8 MB Cache: Cache memory improves performance by caching frequently used data.
- Low Power Consumption: The hard drive was designed with energy efficiency in mind, which is especially important for laptops and mobile devices.
- Reliability: The hard drive is designed for reliability and offers features such as Error Correction Code (ECC) to ensure data integrity.
Areas of application
- Laptops: The Seagate ST9500420AS is ideal for use in laptops as it offers a good balance between capacity and energy efficiency.
- Portable Storage Devices: Works well for portable hard drive enclosures and external drives where a 2.5" form factor is required.
- Desktop Computers: Can be used as a secondary drive in desktop systems, especially when additional storage space is needed.
- Backup Solutions: Useful for storing backups and data archives as it offers large capacity at a comparatively low price.
- Upgrade for older systems: Ideal for upgrading older laptops or computers that do not yet use SSDs or larger HDDs.
Further information
- Performance vs. SSDs: While the ST9500420AS offers solid performance, it is slower compared to modern solid-state drives (SSDs). For applications that require high speeds, an SSD may be a better choice.
- Compatibility: Before installing into a system, check compatibility with existing hardware, especially support for SATA II interface.
- Lifespan: HDDs have moving parts that can wear out over time, so regular backups are important to avoid data loss.
In summary, the Seagate ST9500420AS offers solid performance for use in laptops and portable computers, with a capacity of 500 GB, a SATA II interface and a rotation speed of 5400 RPM. It is a reliable and cost-effective solution for data storage and is particularly suitable for users looking for a balance between capacity and energy efficiency.
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ST9500420AS 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 ST9500420AS.
The ST9500420AS is a reliable disk in case of problems, failures, file loss and other errors, check the drivers of the ST9500420AS regardless of whether it is under Windows 12, 11, 10, etc. or Linux and Apples macOS.