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P431 controller handled external arrays efficiently.
698532-B21
HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controlle...
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698532-B21
- Description:
- HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller
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698532-B21 Overview
698532-B21-HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller is a high-performance storage controller designed for enterprise servers that require robust RAID functionality and reliable storage expansion. Engineered as an expansion card, it leverages a dedicated Smart Array controller along with 4GB of flash-backed write cache (FBWC) to deliver rapid data processing and elevated data protection.
This PCIe expansion card is built to integrate seamlessly with server architectures, featuring a PCIe interface (commonly implemented as x8 on HPE platforms) and supporting 12Gb/s SAS connectivity via its two external ports. It is engineered for optimal compatibility with Windows, Linux, and VMware ESXi operating systems, and is ideal for storage expansion, server enhancement, and mission-critical data management in enterprise environments.
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698532-B21 Specifications
- Product Type
- Expansion Card
- Card Type
- Storage Controller
- Interface
- PCIe x8
- PCIe Version
- PCIe 3.0
- Chipset / Controller
- HPE Smart Array P431
- Supported Ports
- N/A
- Port Count
- 2
- 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
- Yes
- Cooling
- Passive
- Operating System Compatibility
- Windows / Linux / VMware ESXi
- Bus Width
- 64-bit
- Power Requirements
- 3.3V
- Use Case
- Storage Expansion
- Product Name
- 698532-B21-HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
698532-B21 Use Case
Accelerating Enterprise SQL Databases with HPE Smart Array P431/4GB FBWC Controller
In a global financial services firm, IT architects deploy the 698532-B21 HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller on ProLiant DL380 servers to boost OLTP database performance. By leveraging the 4 GB flash-backed write cache and dual 12 Gb/s SAS ports, the solution delivers sub-millisecond query latency and 40% faster transaction throughput—ensuring regulatory compliance, high availability, and superior end-user SLAs.
Scaling Virtual Desktop Infrastructure in Healthcare with HPE Smart Array P431
A regional hospital implements VMware Horizon on HPE ProLiant Gen10 servers equipped with the 698532-B21 Smart Array P431/4GB FBWC 12Gb/s SAS Controller to support 500+ clinician workstations. The controller’s high-speed external SAS connectivity and 4 GB FBWC cache accelerate VM boot storms by 30% and sustain 10,000+ IOPS at 4 ms latency—delivering uninterrupted access to patient records and improving clinical workflow efficiency.
Optimizing Backup and Disaster Recovery for SMBs with HPE Smart Array P431
A mid-sized manufacturing company integrates the 698532-B21 HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller into its ProLiant rack servers for backup to external SAS enclosures. The controller’s write cache and dual-port SAS design reduce nightly backup windows by 50% and enable sub-hour RTO for critical workloads, ensuring business continuity and robust disaster recovery without costly downtime.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 698532-B21 |  C8R38A |  P9M76A |  814069-B21 |  Q0L14A | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | |
| Card Type | Storage Controller | Storage Controller | Storage Controller | Storage Controller | |
| Interface | PCIe x8 | PCIe x8 | PCIe x8 | PCIe x8 | |
| PCIe Version | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | |
| Chipset / Controller | HPE Smart Array P431 | SN1100E | Smart FIO Controller | N/A | |
| Supported Ports | N/A | SFP+ | SFP+ | SFP+ | |
| Port Count | 2 | 1 | 2 | 2 | |
| Max Data Rate | N/A | N/A | 10Gbps | N/A | |
| RAID Levels Supported | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 | N/A | N/A | N/A | |
| 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 | Yes | Yes | |
| Full Height Bracket | Yes | No | Yes | Yes | |
| Cooling | Passive | Passive | Passive | Passive | |
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | |
| Bus Width | 64-bit | 64-bit | 64-bit | 64-bit | |
| Power Requirements | 3.3V | 3.3V | 3.3V | 3.3V | |
| Use Case | Storage Expansion | Storage Expansion | Storage Expansion | Storage Expansion / Server Enhancement | |
| Product Name | 698532-B21-HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller | C8R38A-HP STOREFABRIC SN1100E 16GB SINGLE PORT FIBRE CHANNEL HBA | 814069-B21-HPE H240NR SMART FIO HBA | Q0L14A-SN1200E 16GB 2P FC HBA PL-SH NO DEAL REG PRICING | |
| Height | N/A | N/A | 1.69 inches | N/A | |
| Width | N/A | N/A | 4.37 inches | N/A | |
| Depth | N/A | N/A | 7.87 inches | N/A | |
| Weight | N/A | N/A | 0.7 lbs | N/A |
Reviews & Ratings
Z
Zubair Hassan
4
Cache improved overall throughput.
A
Andreas Wolf
5
OEM quality ensured long term reliability.
C
Chris Evans
3
Solid SAS controller.
D
Dario Contini
4
Consistent enterprise performance.
Questions & Answers
What is the HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller (SKU 698532-B21)?
The HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller (SKU 698532-B21) is a high-performance RAID controller for HPE ProLiant servers featuring 4 GB flash-backed write cache and two external 12 Gb/s SAS ports.
Which RAID levels does the HPE Smart Array P431 support?
The HPE Smart Array P431 supports RAID 0, 1, 10, 5, 50, 6 and 60, enabling flexible data protection and performance optimization.
What servers and enclosures are compatible with SKU 698532-B21?
The controller is compatible with HPE ProLiant Gen9 and Gen10 servers and works with HPE D3000, D6000 and MSA external SAS enclosures.
How much cache memory does the HPE Smart Array P431 include?
The controller includes 4 GB of Flash-Backed Write Cache (FBWC) to ensure data persistence and accelerate write performance.