HP 657750-S21 1TB HDD SATA 6GBPS
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657750-S21 HP 1TB 7.2K RPM 6G SATA LFF 3.5inch Sc Midline Refurbished

Availability: In Stock
Part Number#: 657750-S21
List Price was: $251.52
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Short Description:
657750-S21 HP 1TB 7.2K RPM 6G SATA LFF 3.5inch Sc Midline Hard Disk Drive With Tray For Gen8 Server Series. Refurbished.
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Design and features

The HP 1TB 7.2K RPM SATA hard disk drive has a design and features that make it a reliable and efficient storage solution for a range of applications. Here are some of its key design and features:

  • Form factor: The hard disk drive has a 3.5-inch form factor, which is a standard size for desktop and server hard drives.
  • Interface: The hard disk drive supports a 6Gbps SATA interface, which is a high-speed data transfer protocol that enables fast read and write speeds.
  • Spindle speed: The hard disk drive has a spindle speed of 7,200 RPM, which allows for fast data transfer rates of up to 600MBps.
  • Capacity: The hard disk drive has a capacity of 1TB, which is a large amount of storage space that is suitable for a wide range of applications.
  • Cache buffer: The hard disk drive has a 32MB cache buffer, which is a type of memory that helps to speed up data transfer rates.
  • Power consumption: The hard disk drive has a low power consumption of 4.7W when idle and 6.2W when operating, which helps to reduce energy costs.
  • Tray: The hard disk drive comes with a tray that is designed to fit into the drive bays of HP Gen8 server series, making it easy to install and remove.
  • Advanced format: The hard disk drive uses advanced format technology, which increases the efficiency of the drive by enabling more data to be stored on the disk platters.
  • Self-encrypting drive: The hard disk drive features self-encrypting drive (SED) technology, which provides data security by encrypting data at the drive level.
  • SmartDrive technology: The hard disk drive uses SmartDrive technology, which is a set of firmware and hardware features that help to improve reliability, performance, and data protection.

Performance benchmarks

The performance benchmarks of the HP 1TB 7.2K RPM SATA hard disk drive are important indicators of its speed and reliability. Here are some of the key performance benchmarks of this hard disk drive:

  • Sequential read and write speed: The HP 1TB 7.2K RPM SATA hard disk drive has a maximum sequential read speed of 185 MB/s and a maximum sequential write speed of 175 MB/s. This means that it can transfer large files quickly and efficiently.
  • Random read and write speed: The hard disk drive has a maximum random read speed of 500 IOPS (Input/Output Operations Per Second) and a maximum random write speed of 350 IOPS. This indicates that it can handle multiple read and write requests simultaneously.
  • Average latency: The average latency of the hard disk drive is 4.16ms, which indicates that it can access data quickly.
  • Seek time: The seek time of the hard disk drive is 8.5ms (typical), which is a measure of the time it takes for the drive to find and retrieve data.
  • Power consumption: The power consumption of the hard disk drive is relatively low, which can result in lower energy costs for businesses and organizations.
  • Reliability: The hard disk drive has a Mean Time Between Failures (MTBF) rating of 1.2 million hours, indicating that it is a reliable storage solution for businesses and organizations.

Maintenance and troubleshooting

Performing regular maintenance and troubleshooting of the HP 1TB 7.2K RPM SATA hard disk drive can help to ensure its optimal performance and reliability. Here are some maintenance and troubleshooting tips:

  • Keep the drive clean: Dust and other particles can accumulate inside the hard disk drive, which can cause it to overheat and malfunction. To prevent this, regularly clean the exterior of the drive with a soft, lint-free cloth.
  • Monitor drive health: Many modern hard disk drives have built-in software that can monitor drive health and report any potential issues. Check the SMART (Self-Monitoring, Analysis, and Reporting Technology) status of the drive regularly to detect any potential problems.
  • Perform regular backups: Data loss can occur due to a hard disk drive failure, so it is important to perform regular backups of important data. Use a reliable backup software to create backups on a regular basis.
  • Check for firmware updates: Hard disk drive manufacturers often release firmware updates that can improve performance and reliability. Check for firmware updates periodically and apply them as necessary.
  • Check for compatibility issues: Ensure that the hard disk drive is compatible with the server or computer it is being used with. Check the documentation or contact the manufacturer for more information.
  • Troubleshoot common issues: If the hard disk drive is not functioning properly, troubleshoot common issues such as connection problems, power issues, and driver conflicts.
  • Seek professional assistance: If the hard disk drive is still not functioning properly after troubleshooting, seek professional assistance from a qualified technician or contact the manufacturer's customer support for further assistance.

General Information:

  • Brand Name : HP
  • MPN : 657750-S21
  • Type : Hard Disk Drive (HDD)
  • Sub-Type : SATA-6GBPS
  • RPM : 1TB-7.2K

Technical Information:

  • Storage Capacity: 1TB
  • Rotational Speed: 7200 RPM
  • Hard Drive Interface: SATA/600
  • Sata Pin: 7-PIN
  • Form Factor: Internal
  • Compatible Drive Bay Width: 3.5


  • Hp Proliant Servers Series:
  • ML350
  • DL380
  • DL360
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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  • You can estimate the shipping cost from the products detail page, also available on the checkout page
  • The shipping cost depends on box dimensions, weight, and zip/postal code
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