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Consistent MU performance. Easy installation in SFF bays.
P04527-B21
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HP 800GB 2.5-INCH SFF SAS MIXED-USE (MU) 12GB/S DS SSD
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P04527-B21
- Description:
- HP 800GB 2.5-INCH SFF SAS MIXED-USE (MU) 12GB/S DS SSD
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- Hpe
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P04527-B21 Overview
P04527-B21 is a high-performance HDD designed for a variety of critical applications. This drive features a 3.5-inch form factor with dual compatibility for 2.5-inch environments, an interface that supports both SATA and SAS protocols, and a robust spindle speed of 7200 RPM. It offers a substantial 4 TB of storage capacity with a generous 128 MB cache, making it ideal for demanding workloads in data centers, desktops, NAS systems, and surveillance environments.
Engineered for enterprise reliability, the P04527-B21 boasts an annual workload rating of 550 TB/yr and is rated for high reliability with a firm MTBF that ensures rated hours per year of dependable operation. This helium-sealed drive includes advanced features like dual actuator technology and vibration protection, all while maintaining efficient power consumption at 8.0 Watts during read/write operations and 6.0 Watts in idle. Its robust design is optimized for multi-bay configurations in desktop, server, NAS, and surveillance applications.
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P04527-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
- 4.16 ms
- Data Transfer Rate
- Up to 210 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8.0 Watts
- Power Consumption (Idle)
- 6.0 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 0–60°C
- Product Name
- P04527-B21 Enterprise Helium-Sealed 4TB HDD
- Height
- 1.00 inches
- Width
- 5.80 inches
- Depth
- 4.00 inches
- Weight
- 1.80 lbs
P04527-B21 Use Case
Enterprise Virtualization Infrastructure Acceleration
Scenario: A global cloud service provider equips HP ProLiant DL380 servers with P04527-B21-HP 800GB 2.5-inch SFF SAS Mixed-Use (MU) 12Gb/s DS SSDs to host high-density Windows and Linux VMs. The drives deliver sustained 120K IOPS and sub-millisecond latency under mixed read/write workloads. Outcome: Achieved a 30% higher VM consolidation ratio, reduced storage latency by 25%, and optimized rack-space efficiency to lower total cost of ownership.
Mission-Critical OLTP Database Acceleration
Scenario: A financial services firm integrates P04527-B21-HP 800GB 2.5-inch SFF SAS MU SSDs into its HP 3PAR storage arrays for real-time trade processing and order management. The enterprise-grade SSDs sustain 12Gb/s throughput with high write endurance during market peaks. Outcome: Reduced transaction latency to under 1 ms, boosted throughput to 200K transactions per second, and maintained 99.999% SLA uptime for mission-critical operations.
Real-Time 4K/8K Video Rendering & Streaming
Scenario: A media production studio deploys P04527-B21-HP 800GB 2.5-inch SFF SAS Mixed-Use SSDs in HP Z4 workstations and rack servers to accelerate 4K/8K video editing, rendering, and live preview workflows. With 1.2 GB/s sequential throughput and industry-leading random I/O performance, large media assets load instantly. Outcome: Cut render times by 40%, enabled seamless real-time timeline scrubbing, and accelerated project delivery schedules.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| P04527-B21 |  872479-B21 |  872394-B21 |  Q8S83A |  877782-B21 | |
|---|---|---|---|---|---|
| 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 | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SAS 12Gb/s | SATA III | 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 | 8 TB | 4 TB | 4 TB | 8 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 | 4.16 ms | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 300 TB/yr | 550 TB/yr | 180 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8.0 Watts | 8 Watts | 8 Watts | 8 Watts | 8.5 Watts |
| Power Consumption (Idle) | 6.0 Watts | 5 Watts | 6 Watts | 4 Watts | 6.5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | 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 | 0–60°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | P04527-B21 Enterprise Helium-Sealed 4TB HDD | 872479-B21 Enterprise Hard Drive | 872394-B21 Enterprise Helium Sealed HDD | Q8S83A Enterprise HDD | 877782-B21 High Efficiency Enterprise HDD |
| Height | 1.00 inches | 1.03 inches | 1.03 | 1.05 inches | 1 inches |
| Width | 5.80 inches | 4 inches | 4.00 | 5.8 inches | 5.79 inches |
| Depth | 4.00 inches | 5.79 inches | 5.79 | 8.2 inches | 8.74 inches |
| Weight | 1.80 lbs | 1.2 lbs | 2.20 | 2.3 lbs | 1.8 lbs |
Reviews & Ratings
J
Junaid Masood
4
Stable SSD for varied enterprise workloads.
E
Elena Russo
5
Predictable throughput and good responsiveness.
F
Farooq Hassan
5
No firmware problems observed.
M
Mitchell Grant
4
Solid mixed-use SAS option.
Questions & Answers
What is the capacity of the HP P04527-B21 SSD?
The HP P04527-B21 SSD offers 800 GB of usable storage in a 2.5-inch SFF form factor.
What interface does the HP 800 GB SAS MU SSD use?
It uses a 12 Gb/s SAS dual-port interface for high-speed, enterprise-class connectivity.
What does mixed-use (MU) mean for this SSD?
Mixed-use indicates balanced read/write endurance, ideal for database, virtualization, and general-purpose workloads.
How fast is the HP P04527-B21 SSD?
It delivers up to 1,900 MB/s sequential read and 1,200 MB/s sequential write performance.