HPE P04521-B21 3.84TB SSD SAS-12GBPS
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HPE P04521-B21 3.84TB SAS 12GBPS SFF 2.5inch MLC SSD Read New

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Part Number#: P04521-B21
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Short Description:
P04521-B21 3.84 TB Serial-Attached SCSI (SAS) 12GBPS SFF 2.5inch MLC Digitally Signed Firmware Smart Carrier (SC) Solid State Drive (SSD) Read Intensive for Server | Made by HPE | Brand New 3 Years Warranty
Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

product Performance of the P04521-B21 3.84TB SAS 12GBPS

in the ever-evolving landscape of information technology, servers play a pivotal role in ensuring the smooth functioning of businesses and organizations. One crucial component that significantly influences server performance is the storage system, and here, we delve into the intricacies of the HPE P04521-B21 3.84TB SAS 12GBPS SFF 2.5inch MLC SSD Read Intensive. Hewlett Packard Enterprise, is a renowned name in the realm of IT solutions, and the P04521-B21 is a key offering in their SSD (Solid State Drive) lineup. Let's break down the specifications and features of this particular model.

Storage Capacity

The P04521-B21 boasts a substantial storage capacity of 3.84TB (terabytes). This generous space is essential for handling vast amounts of data, making it suitable for enterprises with demanding storage requirements.

Interface - SAS 12Gbps

The SAS (Serial Attached SCSI) interface is a high-speed, reliable connection that facilitates seamless communication between the SSD and the server. With a data transfer rate of 12Gbps (gigabits per second), this SSD ensures swift data access and transmission.

Form Factor - SFF 2.5inch

The Small Form Factor (SFF) of 2.5 inches is a standard size for enterprise-level SSDs. This compact form factor is advantageous in scenarios where space optimization is crucial, enabling the accommodation of multiple drives within a limited physical footprint.

MLC Technology

MLC, or Multi-Level Cell, is a type of NAND flash memory technology. It is known for striking a balance between performance and cost-effectiveness. MLC SSDs are capable of storing multiple bits of information per cell, enhancing storage density without compromising speed.

Read-Intensive Usage

The 'Read Intensive' designation indicates that this SSD is optimized for applications where the majority of operations involve reading data rather than writing. This makes it ideal for scenarios where quick and efficient access to stored information is paramount.

Server Compatibility

Designed explicitly for server environments, the P04521-B21 is crafted to meet the rigorous demands of data centers and enterprise-level computing. It integrates seamlessly with server architectures, ensuring a reliable and responsive storage solution.

Advantages of HPE P04521-B21

Understanding the benefits of choosing the HPE P04521-B21 is crucial for making informed decisions regarding server storage solutions.

Enhanced Performance

The combination of a high-speed SAS interface and MLC technology results in enhanced overall performance. Quick data access and transfer speeds contribute to a responsive and efficient server system.

Optimal Storage Density

With a substantial storage capacity packed into a small form factor, this SSD allows organizations to optimize their server storage infrastructure. This is particularly advantageous in environments where space is at a premium.

Cost-Effective MLC Technology

MLC technology strikes a balance between performance and cost, making the P04521-B21 an economically viable choice for businesses looking to enhance their storage capabilities without breaking the budget.

Read-Intensive Designation

The 'Read Intensive' nature of this SSD makes it suitable for workloads where reading data is the primary operation. This is common in scenarios such as content delivery networks (CDNs), web servers, and other applications where quick access to stored information is critical.

Reliability in Server Environments

Built with the robustness required for server applications, the P04521-B21 is engineered to handle the demands of continuous operation in data center environments. This reliability is crucial for ensuring uninterrupted service and minimizing downtime.

Use Cases for HPE P04521-B21 12GBPS

Understanding where the HPE P04521-B21 fits into various use cases helps tailor its deployment to specific organizational needs.

Data Centers

In large-scale data center environments, where vast amounts of data are processed and stored, the P04521-B21's high capacity and performance make it a suitable choice. Its read-intensive design aligns well with data center workloads, where quick retrieval of information is a priority.

Enterprise Servers

For businesses with extensive server infrastructures supporting critical operations, integrating the P04521-B21 ensures reliable and responsive storage. Its compatibility with server architectures and SAS interface makes it an ideal solution for enterprise-level servers.

Content Delivery Networks (CDNs)

CDNs, responsible for efficiently delivering web content to users, require storage solutions that can rapidly retrieve and serve data. The P04521-B21, with its read-intensive optimization, aligns well with the requirements of CDN applications.

Virtualized Environments

In virtualized server environments, where multiple virtual machines may be accessing storage simultaneously, the P04521-B21's performance and reliability contribute to the overall efficiency of the virtualization infrastructure.

Firmware Updates

Regularly updating the firmware of the SSD is essential for obtaining the latest performance enhancements, bug fixes, and security updates. HPE typically provides firmware updates through their official support channels.

General Information of the HPE P04521-B21 SAS-12GBPS SSD

  • Manufacturer: HPE
  • MPN: P04521-B21
  • Spare Part Number: P06598-001
  • Model Number: VO003840JWTBN
  • Assembly Number: P04172-003
  • SKU: P04521-B21
  • Type: Hot-Swap Solid State Drive
  • SSD Type: SAS-12GBPS

Technical Information

  • Capacity: 3.84 TB
  • Form Factor: 2.5-inch SFF
  • Plug Type: Hot Pluggable
  • Workload Type: Read Intensive
  • Carrier Type: Smart Carrier (SC)
  • NAND Flash Memory Type: Multi-Level Cell (MLC)
  • Features: Digitally Signed Firmware (DS)
  • Bundled With: HPE Smart Carrier (SC)
  • Platform Supported: HPE ProLiant Rack/Tower/BladeSystem Servers/Synergy

Drive Performance

  • Lifetime Writes: 7008
  • Endurance DWPD (Drive Writes Per Day): 1
  • Drive Transfer Rate: 12 GB/Sec (External)
  • Random Read IOPS (4KiB, Q=16): 110000
  • Max Random Read IOPS (4KiB): 165000@Q32
  • Random Write IOPS (4KiB, Q=16): 54000
  • Max Random Write IOPS (4KiB): 54000@Q4
  • Internal Data Rate (Read): 1075 MBPS
  • Internal Data Rate (Write): 1030 MBPS

Power Consumption

  • Idle Time: 5.00 Watts
  • Random Read: 6.17 Watts
  • Random Write: 6.17 Watts
  • Sequential Read: 8.56 Watts
  • Sequential Write: 8.56 Watts
  • Random Read/Write: 5.90 Watts
  • Maximum: 8.56 Watts


  • HPE ProLiant BL Series: BL460c Gen10 (2.5 inch)
  • HPE ProLiant DL Series: DL325 Gen10 (2.5 inch), DL325 Gen10 Base (2.5 inch), DL325 Gen10 Entry (2.5 inch), DL325 Gen10 Performance (2.5 inch), DL325 Gen10 Plus (2.5 inch), DL325 Gen10 SMB Solution (2.5 inch), DL325 Gen10 Solution (2.5 inch), DL360 Gen10 Entry (2.5 inch), DL360 Gen10 High Performance (2.5 inch), DL360 Gen10 Low (2.5 inch), DL360 Gen10 Network Choice (2.5 inch), DL360 Gen10 Remote Office
  • Branch Office Server for Cohesity DataPlatform (2.5 inch), DL360 Gen10 SMB (2.5 inch), DL360 Gen10 SMB Network Choice (2.5 inch), DL360 Gen10 Solution (2.5 inch), DL380 Gen10 Entry (2.5 inch), DL380 Gen10 Entry SMB (2.5 inch), DL380 Gen10 for Cohesity DataPlatform (2.5 inch), DL380 Gen10 High Performance (2.5 inch), DL380 Gen10 Network Choice (2.5 inch), DL380 Gen10 Network Choice for SAP HANA Compute Block (2.5 inch), DL380 Gen10 Performance (2.5 inch), DL380 Gen10 SMB (2.5 inch), DL380 Gen10 SMBNetworking Choice (2.5 inch), DL380 Gen10 Solution (2.5 inch), DL385 Gen10 (2.5 inch), DL385 Gen10 Base (2.5 inch), DL385 Gen10 Entry (2.5 inch), DL385 Gen10 High-Performance (2.5 inch), DL385 Gen10 Performance (2.5 inch), DL385 Gen10 Plus (2.5 inch), DL385 Gen10 Plus Entry (2.5 inch), DL385 Gen10 SMB (2.5 inch), DL385 Gen10 Solution (2.5 inch), DL388 Gen10 (2.5 inch), DL560 Gen10 Base (2.5 inch), DL560 Gen10 Performance (2.5 inch), DL580 Gen10 (2.5 inch), DL580 Gen10 Base (2.5 inch), DL580 Gen10 Entry (2.5 inch), DL580 Gen10 Performance (2.5 inch)
  • HPE ProLiant ML Series: ML110 Gen10 (2.5 inch), ML110 Gen10 Entry (2.5 inch), ML110 Gen10 Performance (2.5 inch), ML110 Gen10 Solution (2.5 inch), ML350 Gen10 (2.5 inch), ML350 Gen10 Base (2.5 inch), ML350 Gen10 Entry (2.5 inch), ML350 Gen10 High Performance (2.5 inch), ML350 Gen10 Performance (2.5 inch), ML350 Gen10 SMB (2.5 inch), ML350 Gen10 Solution (2.5 inch), ML350 Gen10 Special Server (2.5 inch), ML350 Gen10 Sub-Entry (2.5 inch)
  • HPE Synergy 660 Gen10 Base Compute Module (2.5 inch), 660 Gen10 Compute Module (2.5 inch), 660 Gen10 Entry Compute Module (2.5 inch), 660 Gen10 Performance Compute Module (2.5 inch), 660 Gen10 Premium Compute Module (2.5 inch), 680 Gen9 4S-EX Compute Module (2.5 inch)

In short,The HPE P04521-B21 3.84TB SAS 12GBPS SFF 2.5inch MLC SSD Read Intensive for Server is a formidable storage solution tailored for the demanding requirements of modern server environments. Its blend of high capacity, performance optimization for read-intensive workloads, and compatibility with server architectures positions it as a reliable choice for businesses and organizations seeking to enhance their storage infrastructure. By understanding its specifications, advantages, use cases, and proper maintenance practices, organizations can make informed decisions regarding the integration of this SSD into their server environments, contributing to improved overall efficiency and performance.

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

Here, you can check more available conditions of your desired product P04521-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 - SAS-12GBPS


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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.

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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.
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