ST9750420AS
User Benchmarks
| Model | Type | Score | Seq. Read MB | Seq. Write MB | Read 4k64QD | Write 4k64QD | Read Access msek. | Write Access msek. |
| ST9750420AS | 750 | 233 | 105 | 99 | 1.02 | 0.65 | 9.19 | 6.81 |
| ST9750420AS | 750 | 215 | 100 | 87 | 0.44 | 0.65 | 9.63 | 6.23 |
| ST9750420AS | 750 | 208 | 96 | 87 | 0.42 | 0.78 | 11.70 | 5.18 |
| ST9750420AS | 750 | 175 | 77 | 75 | 0.34 | 0.69 | 11.84 | 5.69 |
| ST9750420AS | 750 | 33 | 13 | 12 | 0.94 | 0.52 | 13.92 | 22.57 |
| ST9750420AS | 750 | 0 | 0 | 0 | 0.00 | 0.00 | 10.66 | 5.79 |
The measurement of the ST9750420AS was carried out on Windows. Similar read and write speeds could certainly be achieved with the ST9750420AS under Linux and MacOS. Of course, the correct hard drive driver should be installed and the correct interface for the ST9750420AS should be used.
The Seagate ST9750420AS is a 2.5-inch hard drive from the Seagate Momentus series designed for use in laptops and other mobile devices. It offers a balance between capacity, performance and energy efficiency.
1. Technical details
- Modell: Seagate ST9750420AS
- Capacity: 750GB (0.75TB)
- Form factor: 2.5 inch
- Interface: SATA III (6 Gb/s), backwards compatible with SATA II (3 Gb/s)
- Protocol: AHCI
- Speed: 7200 RPM (revolutions per minute)
- Cache: 16 MB
- Average access time: Approximately 12 ms
- Power consumption:
- Operating mode: Approx. 2.6 W
- Idle mode: Approx. 0.8 W
- MTBF (Mean Time Between Failures): Up to 600,000 hours
- Bug fix: NCQ (Native Command Queuing)
2. Functions
- SATA III interface: Offers a high data transfer rate of up to 6 Gb/s and is backwards compatible with older SATA versions, allowing flexible integration into different systems.
- 7200 RPM speed: Provides good performance with faster data access times and data transfer rates compared to 5400 RPM hard drives.
- 16MB Cache: The cache stores frequently accessed data to improve read and write speeds and increase overall performance.
- Advanced Format: Supports 4K sector formatting, increasing data storage efficiency and performance.
3. Areas of application
- Laptops: Ideal for use in laptops where large capacity and fast performance are required. The 7200 RPM speed improves system responsiveness and reduces loading times.
- Desktop computers: Can be used as a secondary drive for additional storage or as a replacement for an older hard drive.
- External Enclosures: Suitable for use in external enclosures for additional storage expansion or backup purposes.
- All-in-One PCs: Suitable for all-in-one computers that require a 2.5-inch hard drive.
4. Advantages
- High capacity: With 750 GB, the hard drive offers sufficient storage space for operating systems, applications and data.
- Good performance: The 7200 RPM speed and 16 MB cache ensure good performance and fast data access times.
- Energy Efficiency: Low power consumption compared to older or larger hard drives, which is especially beneficial in laptops.
- Reliability: MTBF of up to 600,000 hours provides solid reliability and durability.
5. Disadvantages
- Slower performance compared to SSDs: SSDs offer significantly faster read and write speeds as well as faster access times.
- Energy consumption compared to SSDs: Although the hard drive is energy efficient, it consumes more energy than SSDs, which can be detrimental in mobile devices.
- Noise: HDDs can produce audible noise under heavy loads, which can be disruptive in quiet work environments.
6. Installation and Compatibility
- Installation: The ST9750420AS is installed in a free 2.5 inch bay of the computer or laptop and connected via a SATA data cable and a power cable.
- Compatibility: The hard drive is compatible with most computers and laptops that support a 2.5" SATA bay. It is also backwards compatible with SATA II and SATA I.
Summary
The Seagate ST9750420AS is a 750GB 2.5" hard drive that offers good performance and capacity thanks to its 7200 RPM speed and 16MB cache. It is ideal for laptops, desktop computers and external enclosures. Its high capacity and solid performance make it a versatile choice for storing data and applications. While it cannot compete with modern SSDs in terms of performance and energy efficiency, it offers good value for users who need a reliable and capable HDD.
---
ST9750420AS 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 ST9750420AS.
The ST9750420AS is a reliable disk in case of problems, failures, file loss and other errors, check the drivers of the ST9750420AS regardless of whether it is under Windows 12, 11, 10, etc. or Linux and Apples macOS.