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Ryan Whitfield
5
Read-intensive SATA SSD provided steady throughput.
804587-B21
HPE 240GB SATA 6G Read Intensive SFF (2.5in) SC 3yr Warranty...
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804587-B21
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- HPE 240GB SATA 6G Read Intensive SFF (2.5in) SC 3yr Warranty SSD
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804587-B21 Overview
804587-B21 is a high-performance HDD featuring a 3.5-inch form factor, SATA III interface, and a robust 7200 RPM spindle speed. It offers a substantial 4 TB storage capacity with a 128 MB cache and is engineered with a workload rating of 180 TB/yr, making it suitable for continuous operation in demanding environments. Additionally, the drive is designed with enhanced reliability, rated for high operational hours per year, and optimized for critical applications.
This model is ideal for data centers, desktop environments, NAS systems, and surveillance applications. It incorporates advanced features such as a helium-sealed construction, vibration protection, and dual actuator support, along with efficient power consumption levels of 8.5 Watts (read/write) and 5 Watts (idle). Its design and specifications make 804587-B21 a dependable choice across diverse enterprise and high-demand settings.
804587-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 804587-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
804587-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 128 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 180 TB/yr
- Power Consumption (Read/Write)
- 8.5 Watts
- Power Consumption (Idle)
- 5 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 804587-B21
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 4.85 lbs
804587-B21 Use Case
High-Speed Read Caching for Enterprise Databases
Scenario: A financial services firm deploys the HPE 240GB SATA 6G Read Intensive SFF SSD in its HPE ProLiant database cluster to accelerate read-heavy analytics and reporting workloads. Benefit: Delivers sub-millisecond query response times, boosts transaction throughput by up to 40%, and ensures real-time risk analysis with enterprise-grade reliability under a 3-year warranty.
Optimized VDI Boot and Login Storm Handling
Scenario: A global consultancy equips its VDI infrastructure on HPE servers with the 240GB SATA 6G Read Intensive SC SSD to eliminate performance bottlenecks during concurrent desktop boot and user login events. Benefit: Reduces boot/login times by 80%, maintains 99.9% service availability, and enhances end-user productivity with consistent, low-latency desktop access.
Web Content Caching for High-Traffic E-commerce
Scenario: An online retailer integrates the HPE 240GB SATA 6G Read Intensive SSD as a front-end cache layer on its web and application servers to speed dynamic content delivery. Benefit: Cuts page-load times by 50%, improves SEO ranking and conversion rates, and handles peak shopping seasons with enterprise-class endurance and a 3-year warranty.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 804587-B21 |  868818-B21 |  655710-B21 |  P07922-B21 |  H6G42A | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server / NAS |
| Interface | SATA III | SATA III | SAS 12Gb/s | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 4 TB | 10 TB | 4 TB | 6 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8.5 Watts | 10.0 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5.6 Watts | 7.0 Watts | 4 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–55°C |
| Product Name | 804587-B21 | 868818-B21 Enterprise HDD | 655710-B21 Enterprise SAS HDD | P07922-B21 Enterprise HDD | H6G42A Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 5.79 inches | 5.79 inches | 5.79 inches |
| Depth | 4.00 inches | 4.00 inches | 7.87 inches | 4.00 inches | 4.00 inches |
| Weight | 4.85 lbs | 1.5 lbs | 2.5 lbs | 2.2 lbs | 1.65 lbs |
Reviews & Ratings
S
Sadia Noor
4
Reliable for reporting and analytics tasks.
R
Rene Dubois
5
Firmware stability has been excellent.
K
Kamran Aziz
5
Installed easily and performs as expected.
H
Howard Finch
5
Solid RI SATA option.
Questions & Answers
What is the capacity and interface of the HPE 804587-B21 SSD?
The HPE 804587-B21 SSD provides 240 GB of storage and uses a SATA 6 Gb/s interface in a 2.5-inch SFF form factor.
What are the sequential read and write speeds of this SSD?
It delivers up to 550 MB/s sequential read and 520 MB/s sequential write performance for fast data access.
What does “Read Intensive” mean for this SSD?
“Read Intensive” indicates the drive is optimized for workloads with high read/write ratios and supports up to 0.5 drive-writes per day (DWPD) over its warranty period.
What form factor and dimensions does the HPE 804587-B21 use?
This SSD is a 2.5-inch small form factor (SFF) drive with a 7 mm z-height, fitting standard server drive bays.
Is the HPE 804587-B21 SSD compatible with HPE ProLiant servers?
Yes, it is fully validated for HPE ProLiant Gen8, Gen9, and Gen10 servers and works with HPE Smart Array controllers.
What endurance rating does this SSD offer?
The drive is rated for up to 0.5 DWPD (drive-writes per day) over its 3-year warranty period.
What warranty coverage comes with the HPE 804587-B21 SSD?
It includes a 3-year HPE warranty and support, ensuring coverage for defects and drive failure.
What is the mean time between failures (MTBF) for this SSD?
The HPE 804587-B21 SSD has an MTBF of up to 2 million hours for enterprise reliability.
How do I install the HPE 804587-B21 SSD in my server?
Simply slide it into a compatible 2.5-inch hot-plug drive bay or caddy, latch it in place, and the server firmware will auto-detect it.
Which operating systems support this HPE SSD?
It supports all major OS platforms that recognize SATA drives, including Windows Server, Linux distributions, and VMware ESXi.
Does the HPE 804587-B21 SSD support TRIM and S.M.A.R.T.?
Yes, it supports ATA TRIM and S.M.A.R.T. for sustained performance and proactive health monitoring.
Is the HPE 804587-B21 SSD hot-swappable?
Yes, the drive is hot-pluggable in supported HPE servers, allowing for safe insertion and removal without downtime.
How does this SSD improve overall server performance?
It delivers high IOPS and low latency for read-heavy workloads, accelerating database queries and application response times.
Can I use the HPE 804587-B21 SSD in RAID arrays?
Absolutely—this SSD is compatible with HPE Smart Array controllers for RAID 0, 1, 5, 6, 10, and 50 configurations.
What are the ideal use cases for a read-intensive SSD?
It’s ideal for web serving, content delivery, virtualization host boot drives, and analytic workloads with heavy read operations.
How can I monitor the health and performance of this SSD?
Use HPE Integrated Lights-Out (iLO) or HPE InfoSight along with standard S.M.A.R.T. tools to track drive health, wear levels, and performance metrics.