HPE P04556-B21 240GB SSF Solid State Drive
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P04556-B21 HPE 240GB SATA 6GBPS SSF MLC SSD Brand 3 Years New

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Part Number#: P04556-B21
List Price was: $453.85
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Short Description:
P04556-B21 240 Gigabytes(GB) Serial Advanced Technology Attachment (SATA) 6 Gigabytes Per Second (GBPS) Multi Level Cell (MLC) Read Intensive 2.5 Inch Small Form Factor (SFF) Solid State Drive for Server | Made by HPE | Brand New 3 Years Warranty
Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Technology and Architecture of SATA 6GBPS

SATA 6Gbps (Serial Advanced Technology Attachment) is a computer bus interface that enables high-speed data transfer between the storage device and the motherboard. The HPE P04556-B21 240GB SATA 6GBPS Read Intensive SSF MLC solid state drive uses the SATA 6Gbps interface to connect to the host system.

The architecture of SATA 6Gbps supports a data transfer rate of up to 6Gbps, which is faster than its predecessors, SATA 3Gbps and SATA 1.5Gbps. This high-speed interface allows for quick access to data stored on the solid state drive and faster system boot times.

The HPE P04556-B21 240GB SATA 6GBPS Read Intensive SSF MLC solid state drive uses Multi-Level Cell (MLC) NAND flash memory technology. MLC allows for multiple bits of data to be stored on a single memory cell, resulting in higher storage density and lower cost per bit.

The Read Intensive classification of the HPE P04556-B21 SSD indicates that it is optimized for read-heavy workloads, such as web servers, data analytics, and video streaming. This is achieved through a combination of firmware optimization and the use of higher-grade NAND flash memory that is designed to withstand a high volume of read operations.

Reliability and Durability

The reliability and durability of the HPE P04556-B21 240GB SATA 6GBPS Read Intensive SSF MLC solid state drive refer to its ability to consistently perform its intended functions over a long period of time and withstand various forms of stress without failure or data loss.

In terms of reliability, the HPE P04556-B21 SSD employs various technologies to ensure that data is always available, including end-to-end data protection, power-loss protection, and advanced error correction. These features work together to prevent data loss or corruption in case of a power failure or other system interruptions. The SSD is also rigorously tested for reliability under various conditions to ensure consistent performance.

Regarding durability, the HPE P04556-B21 SSD is designed to withstand high levels of usage and stress, especially in high-traffic enterprise environments. The SSD uses MLC (Multi-Level Cell) flash memory, which is known for its durability and endurance. The SSD also includes features such as wear-leveling and overprovisioning to distribute writes evenly across the drive and prolong its lifespan. Additionally, the drive's compact size and solid-state construction make it more resistant to shock, vibration, and temperature fluctuations compared to traditional hard drives.

Compatible Server Systems

The HPE P04556-B21 240GB SATA 6GBPS Read Intensive SSF MLC solid state drive is compatible with a variety of server systems that support the SATA interface and have a 2.5-inch drive bay. Some examples of compatible server systems include HPE ProLiant Gen8 and Gen9 servers, HPE Apollo 2000 and 4000 systems, HPE Moonshot servers, and HPE Synergy composable infrastructure.

It is important to check the server system's specifications to ensure compatibility with the HPE P04556-B21 SSD, as well as to verify that the server's firmware and drivers are up to date to ensure optimal performance and compatibility. Additionally, some server systems may require specific drive carriers or backplanes in order to properly install and use the HPE P04556-B21 SSD.

Main Information about this HPE P04556-B21

  • Manufacturer :HPE
  • Model Number or SKU# P04556-B21
  • Device Type: Solid State Drive (SSD)
  • Interface: SATA 6GBPS

Technical Information for 240GB Solid State Drive

  • Storage Capacity: 240GB
  • Form Factor: 2.5 Inch SFF
  • NAND Flash Memory Type: Multi-Level Cell (MLC)
  • Connectivity: Single Port
  • Plug Type: Hot Pluggable
  • Carrier Type: Smart Carrier (SC)
  • Workload Type: Read Intensive
  • Features: Digitally Signed Firmware
  • Bundled with: HPE SmartDrive carrier (SC)
  • Platform Supported: HPE ProLiant Rack/Tower/BladeSystem Servers/Synergy
  • Height: 7 mm (0.3 inch)

Performance of 6GBPS SSD

  • 30 Days Writes: 350
  • Endurance DWPD (Drive Writes Per Day): 0.80
  • Drive Transfer Rate: 6 Gb/sec (external)
  • MAX Seq. Reads Throughput (MiB/s): 535
  • MAX Seq. Writes Throughput (MiB/s): 315
  • Random Read Average Latency uSec (4KiB, Q1): 105
  • Random Write Average Latency uSec (4KiB, Q1): 70
  • Random Read IOPS (4KiB, Q=16): 70000
  • Random Write IOPS (4KiB, Q=16): 14000
  • MAX Random Read IOPS (4KiB): 79000@Q32
  • MAX Random Write IOPS (4KiB): 14000@Q1

Product Dimensions & Weight

  • Height: 0.63 inch
  • Width: 3.10 inch
  • Depth: 5.45 inch
  • Weight: 1.50 lbs


  • HPE ProLiant BL Series: BL460c Gen9 (2.5 Inch), BL460c Gen9 Base (2.5 Inch), BL460c Gen9 Entry (2.5 Inch), BL460c Gen9 Performance (2.5 Inch)
  • HPE ProLiant DL Series: DL360 Gen9 CMS (2.5 Inch), DL360 Gen9 Entry (2.5 Inch), DL360 Gen9 Performance (2.5 Inch), DL360 Gen9 Special Server (2.5 Inch), DL380 Gen10 High Performance (2.5 Inch), DL380 Gen10 Performance (2.5 Inch), DL380 Gen10 Solution (2.5 Inch), DL580 Gen9 Base (2.5 Inch), DL580 Gen9 Database (2.5 Inch), DL580 Gen9 High Performance (2.5 Inch), DL580 Gen9 SAP HANA Scale-Up Base Configuration (2.5 Inch)
  • HPE ProLiant WS Series: WS460c Gen9 (2.5 Inch)

Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.

Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Here, you can check more available conditions of your desired product P04556-B21 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.

Other Available Categories For - Solid State Drive - SATA-6GBPS


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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®
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.
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  • 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
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