HP 690821-B21 400GB SSD SAS 6GBPS
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690821-B21 HP 400GB MLC SAS 6GBPS Mainstream Endurance 2.5 Refurbished

Availability: In Stock
Part Number#: 690821-B21
List Price was: $533.33
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Short Description:
690821-B21 Serial-Attached SCSI (SAS) 400GB MLC 6GBPS Mainstream Endurance 2.5 Inch Internal Solid State Drive for Server | Made by HP | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Energy Efficiency and Easy Installation

The 690821-B21 HP 400GB MLC SAS 6GBPS Mainstream Endurance 2.5 Inch Internal SSD is designed to offer an energy-efficient and easy-to-install storage solution for a range of computer systems. With its low power consumption, it is a suitable option for systems that prioritize power-saving, such as those used in data centers or other enterprise environments. Its energy efficiency also helps to reduce the overall operating costs of the system.

In terms of installation, the 690821-B21 is designed to be compatible with most computer systems, making it a versatile option for a range of users. Its simple installation process saves time and reduces the need for technical expertise, which makes it an ideal choice for users who want to upgrade their system without having to hire a technician or waste time on complicated installation procedures.

Encryption and Security Features

The 690821-B21 HP 400GB MLC SAS 6GBPS Mainstream Endurance 2.5 Inch Internal SSD provides encryption and security features that help protect the data stored on the drive.

The SSD supports self-encrypting drive (SED) technology, which encrypts data on the drive at the hardware level, making it more secure than software-based encryption. SED technology also helps prevent unauthorized access to the drive by requiring a password or authentication key to access the data.

The drive also includes advanced error correction and detection features to ensure data integrity and prevent data loss. This includes HP's Smart Array technology, which provides advanced RAID and data protection features, and SMART technology, which monitors the drive's health and performance to help prevent data loss due to drive failure.

In addition, the SSD is designed to meet strict data security and compliance standards, including FIPS 140-2 and Common Criteria certification, which validate the drive's security features and encryption capabilities.

Caching and Hybrid Storage Solutions

The 690821-B21 HP 400GB MLC SAS 6GBPS Mainstream Endurance 2.5 Inch Internal SSD can be used as a caching and hybrid storage solution.

As a caching solution, the SSD can be used as a high-speed cache for frequently accessed data, improving overall system performance. This is achieved through the use of caching algorithms that determine which data should be stored on the SSD for quick retrieval.

As a hybrid storage solution, the SSD can be used in conjunction with traditional hard disk drives (HDDs) to provide a balance of speed and storage capacity. The SSD can be used to store frequently accessed data, while the HDD is used to store less frequently accessed data. This setup can provide the speed benefits of an SSD with the storage capacity of an HDD, resulting in a more cost-effective storage solution.

General Information

  • MPN : 690821-B21
  • Brand Name: HP
  • Type: Solid State Drive(SSD)
  • SSD -Type : SAS 6GBPS

Technical Information

  • Storage Capacity : 400 GB


  • Drive Interface : SAS

Dimensions & Weight

  • Height: 0.63 Inch
  • Width: 3.10 Inch
  • Depth: 5.45 Inch
  • Weight: 1.50 Lbs
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.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


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®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
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.
  • We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
  • If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
  • 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
  • To get a FedEx® delivery service you need to mention it on the checkout page notebox.
  • For urgent shipments, please contact our customer service.
  • Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.