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698532-B21
- Description:
- HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller
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3 Year Extended Warranty
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
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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Explore more options from Server Expansion Cards or explore other Hpe products.
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
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|---|---|---|---|---|---|
| Bus Width | 64-bit | - | 64-bit | 64-bit | 64-bit |
| Capture Frame Rate | N/A | - | N/A | N/A | N/A |
| Capture Resolution | N/A | - | N/A | N/A | N/A |
| Card Type | Storage Controller | - | Storage Controller | Storage Controller | Storage Controller |
| Chipset / Controller | SN1100E | - | N/A | Smart FIO Controller | HPE Smart Array P431 |
| Cooling | Passive | - | Passive | Passive | Passive |
| Depth | N/A | - | N/A | 7.87 inches | N/A |
| Full Height Bracket | No | - | Yes | Yes | Yes |
| Height | N/A | - | N/A | 1.69 inches | N/A |
| Interface | PCIe x8 | - | PCIe x8 | PCIe x8 | PCIe x8 |
| Low Profile Bracket | Yes | - | Yes | Yes | No |
| Max Data Rate | N/A | - | N/A | 10Gbps | N/A |
| Operating System Compatibility | Windows / Linux / VMware ESXi | - | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi |
| PCIe Version | PCIe 3.0 | - | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 |
| Port Count | 1 | - | 2 | 2 | 2 |
| Power Requirements | 3.3V | - | 3.3V | 3.3V | 3.3V |
| Product Name | C8R38A-HP STOREFABRIC SN1100E 16GB SINGLE PORT FIBRE CHANNEL HBA | - | Q0L14A-SN1200E 16GB 2P FC HBA PL-SH NO DEAL REG PRICING | 814069-B21-HPE H240NR SMART FIO HBA | 698532-B21-HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller |
| Product Type | Expansion Card | - | Expansion Card | Expansion Card | Expansion Card |
| RAID Levels Supported | N/A | - | N/A | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 |
| Supported Ports | SFP+ | - | SFP+ | SFP+ | N/A |
| Use Case | Storage Expansion | - | Storage Expansion / Server Enhancement | Storage Expansion | Storage Expansion |
| Weight | N/A | - | N/A | 0.7 lbs | N/A |
| Width | N/A | - | N/A | 4.37 inches | N/A |
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Questions & Answers
Q
What is the HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller (SKU 698532-B21)?
A
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.
Q
Which RAID levels does the HPE Smart Array P431 support?
A
The HPE Smart Array P431 supports RAID 0, 1, 10, 5, 50, 6 and 60, enabling flexible data protection and performance optimization.
Q
What servers and enclosures are compatible with SKU 698532-B21?
A
The controller is compatible with HPE ProLiant Gen9 and Gen10 servers and works with HPE D3000, D6000 and MSA external SAS enclosures.
Q
How much cache memory does the HPE Smart Array P431 include?
A
The controller includes 4 GB of Flash-Backed Write Cache (FBWC) to ensure data persistence and accelerate write performance.
Q
What is flash-backed write cache (FBWC)?
A
Flash-backed write cache uses onboard flash memory and supercapacitors to protect cached data during power loss and to restore write cache automatically.
Q
How many external SAS ports are on the HPE Smart Array P431?
A
The controller features two 12 Gb/s external Mini-SAS HD ports for connecting to external disk enclosures.
Q
Do I need a separate battery for the HPE Smart Array P431 controller?
A
No, the HPE Smart Array P431 uses an integrated supercapacitor module for cache protection, eliminating the need for a separate battery.
Q
Which cables are required for external enclosure connectivity?
A
You need two HPE 12 Gb/s Mini-SAS HD to Mini-SAS HD cables (PN 745261-001) to connect the controller’s external ports to your enclosure.
Q
How do I install the HPE Smart Array P431 in my ProLiant server?
A
Power down the server, insert the controller into an available PCIe 3.0 x8 slot, secure the bracket, connect the SAS cables, then power up and configure in Intelligent Provisioning.
Q
What operating systems does the HPE Smart Array P431 support?
A
This controller supports HPE-tested releases of Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server and VMware ESXi.
Q
How can I update the firmware on SKU 698532-B21?
A
Use the HPE Service Pack for ProLiant (SPP) or HPE Smart Storage Administrator (SSA) to download and apply the latest firmware update for the P431 controller.
Q
What performance benefits does the HPE Smart Array P431 deliver?
A
With 12 Gb/s SAS bandwidth and 4 GB FBWC, the controller delivers up to 1.2 million IOPS, reduced latency and improved workload response.
Q
Can I mix drives and enclosures on the P431 controller?
A
Yes, the HPE Smart Array P431 supports mixed HPE SAS and NL-SAS drives across connected enclosures, maintaining RAID integrity.
Q
What is the difference between the P431 and P440 controllers?
A
The P431 offers 4 GB FBWC and two external ports, while the P440 adds internal ports, more cache options and higher RAID throughput for larger deployments.
Q
Does the HPE Smart Array P431 support hot-plug drive replacement?
A
Yes, the controller supports hot-plug drive insertion and removal without shutting down the server, maintaining RAID redundancy during servicing.
Q
What warranty coverage comes with SKU 698532-B21?
A
The HPE Smart Array P431 is backed by HPE’s standard limited warranty, including three years of parts, labor and on-site support.
