HP
HP 655708-S21 500GB 2.5" SAS Hard Drive
Reliable Storage Solution for Servers The HP 655708-S21 is a 500 GB internal hard drive designed for server environments. Featuring hot-swap capability and a SATA 6Gb/s interface, this drive offers reliable performance and easy maintenance. Its 7200 rpm speed and 2.5" form factor make it ideal fo...
$63.00*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.
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Overview
Reliable Storage Solution for Servers
The HP 655708-S21 is a 500 GB internal hard drive designed for server environments. Featuring hot-swap capability and a SATA 6Gb/s interface, this drive offers reliable performance and easy maintenance. Its 7200 rpm speed and 2.5" form factor make it ideal for space-constrained servers requiring high-performance storage.
Detailed Specifications:
- Capacity: 500 GB
- Form Factor: 2.5" x 1/6H
- Interface: Serial ATA-600 (SATA 6Gb/s)
- Speed: 7200 rpm
- Cache: 2 MB
- Type: Hot-Swap
- Smart Buy: Yes
Key Features
Capacity: 500 GB
Form Factor: 2.5" x 1/6H
Interface: Serial ATA-600
Specifications
Capacity
500 GB
Form Factor
2.5" x 1/6H
Interface
Serial ATA-600
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View on Amazon →Pros & Cons
👍 Pros
- Offers a 500GB storage capacity, suitable for operating systems, applications, or small to medium datasets.
- Features a 2.5" form factor, ideal for servers and enclosures that require compact drive sizes.
- Utilizes the Serial ATA-600 interface, providing a fast 6Gbps connection speed for efficient data transfer.
- Manufactured by HP, ensuring compatibility and expected performance within HP server environments.
- SAS (Serial Attached SCSI) drives are known for their reliability and performance in enterprise settings.
👎 Cons
- The 500GB capacity might be insufficient for very large datasets or extensive archiving needs in a server environment.
- As a SAS drive, it requires a compatible SAS controller and backplane, not suitable for standard SATA connections.
- The rotational speed (RPM) of the drive is not specified, which is a key factor in assessing its performance characteristics.
- Cache size or other performance metrics beyond interface speed are not provided.
- The drive is likely designed for specific HP server models, and compatibility should be verified prior to purchase.
- No information is available regarding whether this is a new or renewed drive, which impacts warranty and expected lifespan.
Frequently Asked Questions
What is the storage capacity of this HP hard drive?
This HP 655708-S21 hard drive has a storage capacity of 500 GB, suitable for various server applications.
What form factor does this hard drive use?
It is a 2.5" x 1/6H form factor hard drive, commonly used in servers and compact storage systems.
What type of interface does this hard drive utilize?
The hard drive uses a Serial ATA-600 interface, which supports data transfer speeds of up to 6 gigabits per second (6Gbps).
Is this drive compatible with standard desktop computers?
This drive uses a Serial ATA-600 (SAS) interface, which is different from the SATA interface typically found in consumer desktop computers. A compatible SAS controller is required.
Is this drive suitable for a server environment?
Yes, SAS drives like the HP 655708-S21 are specifically designed for server and enterprise environments due to their reliability and performance.
Does the Serial ATA-600 interface refer to SAS or SATA?
In this context, "Serial ATA-600" is used to describe a SAS interface operating at 6Gbps, which is distinct from consumer SATA interfaces.
What are the benefits of a 2.5" form factor drive?
The 2.5" form factor allows for higher drive density within server chassis and typically consumes less power compared to larger 3.5" drives.
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