Seagate Momentus ST9640423AS 640GB SATA 5.4K 2.5" SFF HDD
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Seagate ST9640423AS Product Specs
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ST9640423AS
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ST9640420AS
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WD6400BPVT
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HTS547564A9E384
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MK6465GSX
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HM641JI
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| Brand | Seagate | Seagate | Western Digital | HGST / Hitachi | Toshiba | Samsung |
| Relationship Type | Target Part | Direct Family Substitute | Cross-Brand Alternative | Cross-Brand Alternative | Cross-Brand Alternative | Cross-Brand Alternative |
| Capacity | 640 GB | 640 GB | 640 GB | 640 GB | 640 GB | 640 GB |
| Interface | SATA 3 Gb/s | SATA 3 Gb/s | SATA 3 Gb/s | SATA 3 Gb/s | SATA 3 Gb/s | SATA 3 Gb/s |
| Form Factor | 2.5-inch, 9.5 mm | 2.5-inch, 9.5 mm | 2.5-inch, 9.5 mm | 2.5-inch, 9.5 mm | 2.5-inch, 9.5 mm | 2.5-inch, 9.5 mm |
| Media Type | HDD | HDD | HDD | HDD | HDD | HDD |
| Rotational Speed | 5,400 RPM | 5,400 RPM | 5,400 RPM | 5,400 RPM | 5,400 RPM | 5,400 RPM |
| Cache | 8 MB | 8 MB | 8 MB | 8 MB | 8 MB | 8 MB |
Seagate ST9640423AS Description
▼The Seagate Momentus ST9640423AS 640GB SATA 5.4K 2.5" SFF HDD is a reliable and efficient hard drive designed for use in laptops and compact desktop systems, particularly compatible with Inspiron models. This 2.5-inch small form factor (SFF) drive offers ample storage capacity of 640GB, making it ideal for users who need to store large files, multimedia content, or run demanding applications with ease. Its SATA interface ensures seamless integration with most modern systems, delivering data transfer speeds up to 3Gb/s.
Key specifications of this Seagate Momentus hard drive highlight its balance between performance and power efficiency. Operating at a spindle speed of 5400 RPM, it provides quiet operation and lower heat generation, which is perfect for mobile computing environments. Additionally, the 16MB cache enhances data access speeds, improving overall system responsiveness.
- Brand: Seagate
- Product Line: Momentus
- Compatibility: Inspiron
- Capacity: 640GB
- Spindle Speed: 5,400 RPM
- Interface Type: SATA
- Data Transfer Rate: 3 Gb/s
- Cache: 16MB
- Form Factor: 2.5" Small Form Factor (SFF)
For easy replacement or upgrades, consider these compatible spare parts:
- Seagate ST640LM000 (Part Number: ST640LM000)
- Seagate ST9640320AS (Part Number: ST9640320AS)
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