United States$5,000,000+
Inventory Delivered By
B
Ben Carter
5
Mixed-use SAS SSD delivers steady enterprise performance.
822555-B21
HPE 400GB SAS 12G Mixed Use SFF (2.5in) SC 3yr Warranty SSD...
FEATURED DEAL
Name:
822555-B21
- Description:
- HPE 400GB SAS 12G Mixed Use SFF (2.5in) SC 3yr Warranty SSD For Use with Gen8 Servers and Beyond
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
822555-B21 Overview
822555-B21 is a high-performance HDD designed with a 3.5-inch form factor and a SATA III interface. It operates at a spindle speed of 7200 RPM, offers a storage capacity of 4 TB, and features a 128 MB cache. The drive is engineered for rigorous use with an annual workload rating of 180 TB/yr, an MTBF of 1,000,000 hours, and is rated for 8760 hours of continuous reliability per year.
Optimized for diverse environments—ranging from desktops and servers to NAS and surveillance systems—822555-B21 ensures efficient power consumption with 9 Watts during read/write operations and 6 Watts at idle. Advanced features such as helium-sealed construction, vibration protection, and dual actuator technology make this drive ideal for data centers, high-performance desktops, network storage systems, and mission-critical surveillance setups.
822555-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 822555-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
822555-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 210 MB/s
- Annual Workload Rating
- 180 TB/yr
- Power Consumption (Read/Write)
- 9 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
- 822555-B21
- Height
- 1.03 inches
- Width
- 4.00 inches
- Depth
- 5.79 inches
- Weight
- 2.1 lbs
822555-B21 Use Case
High-Frequency Trading Acceleration with HPE 400GB SAS 12G Mixed Use SSD
In a global investment bank, the 822555-B21-HPE 400GB SAS 12G Mixed Use SFF (2.5in) SC 3yr Warranty SSD is deployed on Gen8 servers to power low-latency order matching. By delivering sustained 700K random IOPS and sub-200µs latency, trading engines execute in microseconds, reducing slippage and maximizing profitability. Outcome: 35% faster transaction finalization and a 22% reduction in execution costs.
Enterprise VDI Performance Boost for Remote Workforces
A multinational corporation integrates 822555-B21-HPE 400GB SAS 12G Mixed Use SFF SSDs into its Gen8 server clusters to support 1,500 virtual desktops. The mixed-use endurance profile (5 DWPD) and 12G SAS throughput enable consistent boot storms and seamless application launches. Benefit: 40% faster login times, 25% lower storage TCO, and 99.9% end-user uptime for remote employees.
Real-Time Analytics for E-Commerce Platform Scalability
An online retailer uses the HPE 400GB SAS 12G Mixed Use SSD (822555-B21) in Gen8 servers to power in-memory analytics on clickstream data. The drive’s 12G SAS interface and sequential read/write speeds up to 2.1/1.3 GB/s enable sub-second report generation. Outcome: 50% faster insight delivery, 30% uplift in campaign conversion rates, and improved customer personalization.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 822555-B21 |  P09100-B21 |  822563-B21 |  Q2P84A |  P04480-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 / Enterprise Storage |
| Interface | SATA III | SATA III | 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 | 10 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 128 MB | 256 MB | 256 MB |
| Average Latency | N/A | 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 | 180 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 9 Watts | 8.5 Watts | 8 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 6 Watts | 5.0 Watts | 4 Watts | 5 Watts | 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 | 5–55°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 822555-B21 | P09100-B21 Enterprise HDD | 822563-B21 | Q2P84A | P04480-B21 Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.08 inches |
| Width | 4.00 inches | 5.8 inches | 5.79 inches | 5.79 inches | 4.00 inches |
| Depth | 5.79 inches | 8.7 inches | 4.00 inches | 4.00 inches | 5.79 inches |
| Weight | 2.1 lbs | 1.5 lbs | 1.5 lbs | 2.2 lbs | 2.1 lbs |
Reviews & Ratings
H
Hafsa Malik
4
Balanced throughput and reliability.
M
Milan Kovac
5
Predictable latency under load.
S
Shahid Hussain
5
Smooth integration on Gen8 servers.
E
Edward King
4
Solid MU SAS SSD option.
Questions & Answers
What is the HPE 400GB SAS 12G Mixed Use SFF (2.5in) SC SSD (SKU: 822555-B21)?
The HPE 400GB SAS 12G Mixed Use SFF (2.5in) SC SSD (SKU: 822555-B21) is an enterprise-grade solid-state drive optimized for mixed workloads, delivering high IOPS and low latency in a small form factor.
Which HPE servers are compatible with this 400GB SAS SSD?
This SSD is fully compatible with HPE ProLiant Gen8 and later servers, including DL, ML and BL lines, when used in SAS 12G backplanes.
What does “Mixed Use” classification mean for this SSD?
“Mixed Use” indicates the drive is optimized for both read-intensive and write-intensive applications, offering balanced endurance and performance for virtualized and database workloads.
What form factor and interface does this SSD use?
The SSD uses a 2.5-inch small form factor (SFF) and a 12Gb/s SAS interface for enterprise-class connectivity and hot-swap capability.
What performance can I expect from the HPE 400GB SAS SSD?
It delivers up to 2,100 MB/s sequential read, 1,250 MB/s sequential write and sustained 29K read/12K write IOPS for mixed-use workloads.
What is the endurance rating of this SSD?
The drive offers up to 1 DWPD (drive writes per day) over a 3-year warranty period, supporting heavy mixed workload cycles.
What warranty coverage is provided with SKU 822555-B21?
HPE provides a 3-year, parts-only limited warranty, covering hardware failures when used in supported HPE server environments.
How do I install the HPE 400GB SAS SSD in my server?
Simply slide the drive into any empty 2.5″ SAS 12G hot-swap bay on a compatible HPE ProLiant server and follow the server’s iLO or system BIOS prompts to configure.
Can I use this SSD in RAID configurations?
Yes, it supports hardware RAID levels 0, 1, 5, 6 and 10 when paired with HPE Smart Array controllers for enhanced data protection and performance.
How reliable is the HPE 400GB SAS 12G Mixed Use SSD?
With enterprise-grade components, advanced error correction and an MTBF of 2 million hours, it ensures high availability and data integrity.
Are firmware updates available for this SSD?
Yes, HPE issues periodic firmware updates via Service Pack for ProLiant (SPP) to optimize compatibility, performance and security.
What workloads are best suited for this SSD?
Ideal workloads include virtualization, OLTP databases, data analytics and mid-tier storage where balanced read/write performance is critical.
What is the power consumption of the 400GB SAS SSD?
Typical power draw is 5.5 W active and 2 W idle, helping to reduce overall data center energy usage.
How does this SSD enhance data center efficiency?
By delivering higher IOPS per watt and reducing latency, it increases server consolidation ratios and lowers cooling costs.
How do I replace an existing drive with this HPE SSD?
Hot-swap the old drive: remove it from the SAS bay, insert the new SSD, then rebuild or resync via your server’s RAID management utility or OS disk tools.
Where can I purchase the HPE 400GB SAS 12G Mixed Use SSD and get support?
You can order through authorized HPE channels or partners; post-purchase support is available via HPE Support Center and HPE Care Pack options.