The Seagate Savvio 10K.5 ST9900805SS is a 900GB enterprise hard disk drive designed for compatible servers and professional storage systems. Its 2.5-inch form factor, 6Gb/s SAS interface, and 10,000 RPM spindle speed make it suitable for enterprise environments requiring compact, high-performance storage.
The drive features a 64MB cache and supports enterprise SAS connectivity. It is intended for compatible server backplanes and storage controllers. Confirm the interface and drive-bay requirements of your system before installation.
Key Features
- 900GB storage capacity: Provides storage for enterprise applications, business data, and server workloads.
- SAS 6Gb/s interface: Connects to compatible enterprise SAS controllers and storage enclosures.
- 10,000 RPM spindle speed: Supports responsive data access in enterprise storage environments.
- 64MB cache: Helps manage read and write operations.
- Compact 2.5-inch form factor: Fits compatible small-form-factor server and storage configurations.
Enterprise Storage Applications
The Savvio 10K.5 family was developed for enterprise servers and storage systems that require compact drives with high rotational speeds. The ST9900805SS can be used in compatible SAS-based server, direct-attached storage, and storage-array configurations. Actual performance depends on the controller, workload, and host system.
Technical Specifications
| Brand | Seagate |
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| Part Number / MPN | ST9900805SS |
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| Product Type | Internal enterprise hard disk drive |
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| Product Family | Savvio 10K.5 |
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| Storage Capacity | 900GB |
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| Form Factor | 2.5-inch |
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| Interface | SAS 6Gb/s |
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| Spindle Speed | 10,000 RPM |
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| Cache | 64MB |
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| Average Latency | 3.0ms |
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| Sustained Transfer Rate | Up to 168MB/s, depending on disk location |
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| Sector Format | 512 bytes per sector |
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| Mean Time Between Failures | 1.6 million hours |
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| Annualised Failure Rate | 0.44% |
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| Original Limited Warranty | 5 years, subject to original purchase terms and regional coverage |
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Frequently Asked Questions
What is the capacity of the Seagate ST9900805SS?
This hard drive provides 900GB of nominal storage capacity.
Does this drive use SATA or SAS?
The ST9900805SS uses a SAS 6Gb/s interface. It requires a compatible SAS controller or backplane and should not be treated as a standard SATA drive.
What is the spindle speed?
The drive operates at 10,000 RPM.
Which systems are compatible with this drive?
It is designed for compatible servers and storage systems that support 2.5-inch SAS hard drives. Check the system manufacturer's compatibility list before installation.
Does this model include hardware encryption?
ST9900805SS is the standard SAS model. Seagate lists separate model numbers for self-encrypting and FIPS-certified variants, so verify the exact model number when encryption features are required.
DC Supplies Product Note
Confirm the exact model number ST9900805SS, SAS interface support, 900GB capacity compatibility, and 2.5-inch drive-bay requirements before ordering. This is an older enterprise drive family; condition, accessories, and warranty coverage depend on the supplied unit and seller terms.
