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Balanced SATA MU SSD for mixed workloads.
P05976-B21
HP G8-G10 480GB 2.5 SATA 6G MU DS SSD
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P05976-B21
- Description:
- HP G8-G10 480GB 2.5 SATA 6G MU DS SSD
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P05976-B21 Overview
P05976-B21 is a high-performance HDD designed in a 3.5-inch form factor with a SATA III interface. It operates at a spindle speed of 7200 RPM, delivering a robust 4 TB of storage capacity and equipped with a 256 MB cache. With an annual workload rating of 550 TB/yr and an MTBF of 2,000,000 hours ensuring exceptional reliability, this drive is built for demanding environments where rated hours of operation are critical.
The drive is engineered for use in data centers, desktops, NAS, and surveillance systems, boasting advanced features such as a helium-sealed design, vibration protection, and dual actuator technology. It consumes approximately 8 Watts during read/write operations and 6 Watts when idle, making it an excellent choice for both energy-efficient applications and high-demand server deployments.
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P05976-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)
- 256 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 6 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
- P05976-B21 Enterprise HDD
- Height
- 1.03 inches
- Width
- 4 inches
- Depth
- 5.78 inches
- Weight
- 2.2 lbs
P05976-B21 Use Case
Use Case: Accelerating Virtualization Workloads on SMB HP ProLiant G8/G10 Servers
In an SMB datacenter running HP ProLiant G8/G10 servers under VMware ESXi, integrating the P05976-B21-HP G8-G10 480GB 2.5 SATA 6G MU DS SSD as a dedicated datastore drives VDI and test/dev VMs at sub-millisecond latency. Outcome: 40% faster VM boot times, 30% higher VM density per host, and consistent IOPS under peak loads—delivering robust multi-tenant performance and reduced TCO.
Use Case: Boosting Transactional Database Throughput for E-Commerce
An e-commerce platform running Microsoft SQL Server on HP ProLiant G10 requires high I/O headroom for flash-sale events. Deploying the P05976-B21-HP G8-G10 480GB 2.5 SATA 6G MU DS SSD for the database’s tempdb and log files lowers write latency to under 1 ms. Outcome: 50% faster transaction commits, 25% reduction in deadlock incidents, and a scalable infrastructure capable of supporting 10K+ concurrent shoppers.
Use Case: Enhancing Edge Computing and Remote Workstation Boot Performance
A distributed engineering firm uses mobile HP ZBook workstations to run CAD and simulation software. Upgrading each boot drive to the P05976-B21-HP G8-G10 480GB 2.5 SATA 6G MU DS SSD cuts OS and application load times by half. Outcome: 60% faster software launch, uninterrupted field operations with up to 3,000 sustained IOPS, and improved user productivity on remote sites.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 P05976-B21 |  P04521-B21 |  Q6M04A |  K2P99B |  652611-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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance |
| Interface | SATA III | SATA III | SATA III / SATA II / SAS 6Gb/s / SAS 12Gb/s | SATA III / SAS 12Gb/s | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 10 TB | 8 TB | 10 TB | 10 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 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 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.5 Watts | 7.5 Watts | 8 Watts | 7.5 Watts |
| Power Consumption (Idle) | 6 Watts | 5.0 Watts | 5.5 Watts | 4 Watts | 4.5 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 | 5–60°C | 5–60°C | 5–60°C | 5–55°C | 5–60°C |
| Product Name | P05976-B21 Enterprise HDD | P04521-B21 Enterprise HDD | Q6M04A Enterprise Helium HDD | K2P99B Enterprise HDD | 652611-B21 Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 inches | 1.0 |
| Width | 4 inches | 5.79 inches | 4.00 inches | 5.8 inches | 4.0 |
| Depth | 5.78 inches | 4.01 inches | 5.78 inches | 4.0 inches | 5.8 |
| Weight | 2.2 lbs | 3.00 lbs | 1.85 lbs | 1.8 lbs | 1.5 |
Reviews & Ratings
S
Sumbul Iqbal
5
Stable performance with easy deployment.
M
Marco DeLuca
5
Good endurance and predictable speeds.
F
Faisal Rehman
5
Works well for general-purpose servers.
H
Howard Stein
4
Meets expectations for mixed-use SATA storage.
Questions & Answers
What is the HP P05976-B21 480GB 2.5 SATA 6G MU DS SSD?
The HP P05976-B21 is a 480 GB 2.5-inch SATA 6 Gb/s multi-level cell data center SSD designed for HP ProLiant Gen8–Gen10 servers.
Which servers are compatible with the HP 480GB SATA MU DS SSD?
This SSD is compatible with HP ProLiant Gen8, Gen9, and Gen10 rack and tower servers that support 2.5-inch SATA 6 Gb/s drives.
What are the sequential performance specs for this SSD?
The SSD delivers up to 530 MB/s sequential read and 500 MB/s sequential write throughput on a SATA 6 Gb/s interface.
What random I/O performance can I expect from the HP P05976-B21?
You can expect up to 85,000 IOPS for random reads and 30,000 IOPS for random writes at a queue depth of 32.
How reliable is the HP 480GB SATA MU DS SSD?
It offers a mean time between failures (MTBF) of 2 million hours and is rated for 1 drive-write per day (DWPD) over a three-year period.
Is the HP P05976-B21 hot-swappable?
Yes, the 2.5-inch SATA 6 Gb/s SSD supports hot-plug removal and insertion in compatible HP ProLiant servers.
What power consumption does this SSD require?
Typical active power consumption is 3.5 W and idle power consumption is under 1 W, making it energy efficient for data centers.
Does the HP 480GB SATA MU DS SSD support hardware encryption?
No, this model does not include self-encrypting drive (SED) features, but it can be paired with host-based encryption solutions.
How thick is the form factor for the HP P05976-B21 SSD?
The drive conforms to a standard 2.5-inch form factor with a maximum height of 7 mm for broad server compatibility.
What temperature range can this SSD operate in?
It operates between 5 °C and 55 °C (41 °F to 131 °F) for ambient server conditions.
What warranty does HP provide for this SSD?
HP offers a three-year limited warranty with on-site support for the P05976-B21 SSD.
Can I upgrade the SSD firmware myself?
Yes, firmware updates are available through HP Service Pack for ProLiant (SPP) or iLO Integrated Management Log utilities.
What use cases is this SSD best suited for?
It is optimized for operating system boot, virtualization, caching, and read-intensive database applications in enterprise servers.
How do I install the HP P05976-B21 in my server?
Simply insert the 2.5-inch SSD into an available SATA bay or hot-plug carrier in a compatible HP ProLiant server enclosure.
What buffer or cache does the SSD use?
It uses an internal DRAM cache to accelerate write operations and maintain consistent performance under heavy loads.
Where can I buy genuine HP P05976-B21 SSDs?
Genuine HP P05976-B21 SSDs are available through authorized HP resellers, partners, and the official HP online store.