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P408e-m mezzanine controller delivered strong SAS performance.
804381-B21
HP SMART ARRAY P408E-M SR GEN10 12G SAS MEZZANINE CONTROLLER
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Name:
804381-B21
- Description:
- HP SMART ARRAY P408E-M SR GEN10 12G SAS MEZZANINE CONTROLLER
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$1,067.00
- Price:
$301.0071.8% off
Quantity:
1
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804381-B21 Overview
804381-B21-HP SMART ARRAY P408E-M SR GEN10 12G SAS MEZZANINE CONTROLLER is a high-performance storage controller expansion card engineered for HP Gen10 server platforms. Built to deliver reliable hardware RAID functionality with 12G SAS connectivity, this mezzanine card utilizes HP Smart Array technology and is designed for seamless integration, offering enhanced data throughput and robust storage management for enterprise environments.
Designed to interface via a PCIe x8 slot with PCIe 3.0 signaling, this controller ensures compatibility with leading operating systems including Windows, Linux, and VMware ESXi. Its compact form factor, emphasis on passive cooling, and targeted use case for storage expansion make it an ideal solution for server enhancements in data centers and mission-critical applications.
804381-B21 price is $301.00, a 71.8% saving from the Hpe list price of $1,067.00. 804381-B21 is in stock and available for next-day dispatch. (terms applied)
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804381-B21 Specifications
- Product Type
- Expansion Card
- Card Type
- Storage Controller
- Interface
- PCIe x8
- PCIe Version
- PCIe 3.0
- Chipset / Controller
- HP Smart Array Controller
- Supported Ports
- N/A
- Port Count
- N/A
- Max Data Rate
- N/A
- RAID Levels Supported
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60
- Capture Resolution
- N/A
- Capture Frame Rate
- N/A
- Low Profile Bracket
- No
- Full Height Bracket
- No
- Cooling
- Passive
- Operating System Compatibility
- Windows / Linux / VMware ESXi
- Bus Width
- 64-bit
- Power Requirements
- 3.3V
- Use Case
- Storage Expansion
- Product Name
- 804381-B21-HP SMART ARRAY P408E-M SR GEN10 12G SAS MEZZANINE CONTROLLER
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
804381-B21 Use Case
Virtualized Data Center Storage Acceleration with P408E-M SR Controller
In a large-scale VMware or Hyper-V environment, integrating the 804381-B21 HP Smart Array P408E-M SR Gen10 12G SAS Mezzanine Controller delivers up to 12 Gb/s per port and hardware-accelerated RAID 0/1/5/6 operations to maximize VM density while reducing storage latency. This high-bandwidth solution drives over 1 million IOPS for virtual desktop infrastructure and enterprise workloads, ensuring consistent performance, simplified management through HP iLO, and a 30% reduction in TCO via improved consolidation ratios.
High-Performance Transactional Database Optimization
For mission-critical Oracle, Microsoft SQL Server or SAP HANA deployments, the HP Smart Array P408E-M SR Gen10 12G SAS controller provides ultra-low latency and 4-lane SAS connectivity to NVMe or SAS SSD arrays. By offloading parity calculations with Smart RAID and delivering sustained 12 Gb/s throughput, it accelerates mixed OLTP/OLAP transactions by up to 40%, enhances query response times, and enforces end-to-end data integrity to meet strict SLAs and compliance requirements.
Enterprise Backup and Disaster Recovery Acceleration
In a regulated enterprise backup environment, deploying the 804381-B21 Smart Array P408E-M SR Gen10 controller enables fast, hardware-accelerated snapshots and replication to secondary sites. Its 12G SAS mezzanine design and Smart Cache feature cut backup windows by 50%, reduce RTO to minutes, and ensure reliable, point-in-time recoveries for critical file systems and VM images. Centralized management with HP OneView simplifies DR orchestration and audit reporting for improved resilience.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 804381-B21 |  AXXRMFBU5 |  AK344A |  631679-B21 |  726736-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | |
| Card Type | Storage Controller | RAID Controller | Other | Storage Controller | |
| Interface | PCIe x8 | PCIe x8 | N/A | PCIe x8 | |
| PCIe Version | PCIe 3.0 | PCIe 3.0 | N/A | PCIe 3.0 | |
| Chipset / Controller | HP Smart Array Controller | Intel RAID | N/A | HPE Smart Array | |
| Supported Ports | N/A | N/A | N/A | N/A | |
| Port Count | N/A | N/A | N/A | N/A | |
| Max Data Rate | N/A | N/A | N/A | N/A | |
| RAID Levels Supported | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 | N/A | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 10 | |
| Capture Resolution | N/A | N/A | N/A | N/A | |
| Capture Frame Rate | N/A | N/A | N/A | N/A | |
| Low Profile Bracket | No | Yes | No | Yes | |
| Full Height Bracket | No | Yes | No | Yes | |
| Cooling | Passive | Passive | Passive | Passive | |
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | N/A | Windows / Linux / VMware ESXi / FreeBSD | |
| Bus Width | 64-bit | 64-bit | N/A | 64-bit | |
| Power Requirements | 3.3V | 3.3V | N/A | 3.3V | |
| Use Case | Storage Expansion | Storage Expansion | Storage Expansion | Storage Expansion | |
| Product Name | 804381-B21-HP SMART ARRAY P408E-M SR GEN10 12G SAS MEZZANINE CONTROLLER | AXXRMFBU5-Intel RAID Maintenance Free Backup Unit - RAID controller cache data protection module | 631679-B21-HP 1GB FBWC for P-Series Smart Array | 726736-B21-HPE Smart Array P440ar/2G Controller | |
| Height | N/A | 1.0 inches | N/A | N/A | |
| Width | N/A | 3.5 inches | N/A | N/A | |
| Depth | N/A | 5.0 inches | N/A | N/A | |
| Weight | N/A | 0.8 lbs | N/A | N/A |
Reviews & Ratings
H
Haris Latif
4
OEM mezzanine fit cleanly.
F
Florian Bauer
5
Reliable 12G SAS throughput.
C
Chris Dalton
3
Good blade storage option.
M
Marek Zielinski
4
Stable and dependable.
Questions & Answers
What is the HP Smart Array P408e-m SR Gen10 12G SAS Mezzanine Controller (SKU 804381-B21)?
The HP Smart Array P408e-m SR Gen10 12G SAS Mezzanine Controller is a high-performance RAID controller designed for HPE ProLiant Gen10 servers, delivering up to 12 Gb/s SAS connectivity and advanced data protection.
Which HPE servers are compatible with the P408e-m SR Gen10 controller?
The P408e-m SR Gen10 controller is compatible with HPE ProLiant Gen10 blade and rack servers featuring a mezzanine slot, including Gen10 DL and BL series models.
What RAID levels does the P408e-m SR Gen10 support?
This controller supports RAID levels 0, 1, 5, 6, 10, 50 and 60, ensuring flexible performance and redundancy options for a variety of workloads.
How much cache memory does the P408e-m SR Gen10 include?
The controller includes 2 GB of DDR4 write-back cache, safeguarding data integrity and accelerating I/O operations.