United States
Name:
726736-B21
- Description:
- HPE Smart Array P440ar/2G Controller
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3 Year Extended Warranty
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Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
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.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
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
726736-B21 Overview
726736-B21-HPE Smart Array P440ar/2G Controller is a high-performance storage controller designed to deliver robust hardware RAID functionality for enterprise server storage expansion. Built as an expansion card, it uses a PCIe x8 interface based on PCIe 3.0 technology and integrates an advanced HPE Smart Array controller chipset with 2GB cache to accelerate data processing and ensure reliable performance under heavy workloads.
This RAID controller supports a range of RAID levels including RAID 0, RAID 1, RAID 5, and RAID 10, making it an ideal solution for data protection and high-availability server environments. Designed for compatibility with operating systems such as Windows, Linux, VMware ESXi, and FreeBSD, this card comes with both low-profile and full-height brackets and features passive cooling, ensuring a versatile and dependable component for storage expansion.
What is the price of 726736-B21?
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Explore more options from Server Expansion Cards or explore other Hpe products.
726736-B21 Specifications
| Product Type | Expansion Card |
| Card Type | Storage Controller |
| Interface | PCIe x8 |
| PCIe Version | PCIe 3.0 |
| Chipset / Controller | HPE Smart Array |
| Supported Ports | N/A |
| Port Count | N/A |
| Max Data Rate | N/A |
| RAID Levels Supported | RAID 0 / RAID 1 / RAID 5 / RAID 10 |
| Capture Resolution | N/A |
| Capture Frame Rate | N/A |
| Low Profile Bracket | Yes |
| Full Height Bracket | Yes |
| Cooling | Passive |
| Operating System Compatibility | Windows / Linux / VMware ESXi / FreeBSD |
| Bus Width | 64-bit |
| Power Requirements | 3.3V |
| Use Case | Storage Expansion |
| Product Name | 726736-B21-HPE Smart Array P440ar/2G Controller |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
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 | - |
| Capture Frame Rate | - | N/A | N/A | N/A | - |
| Capture Resolution | - | N/A | N/A | N/A | - |
| Card Type | - | Storage Controller | Storage Controller | Storage Controller | - |
| Chipset / Controller | - | N/A | HPE Smart Array | Smart Array P204i-c SR | - |
| Cooling | - | Passive | Passive | Passive | - |
| Depth | - | N/A | N/A | N/A | - |
| Full Height Bracket | - | No | Yes | No | - |
| Height | - | N/A | N/A | N/A | - |
| Interface | - | PCIe x8 | PCIe x8 | PCIe x8 | - |
| Low Profile Bracket | - | Yes | Yes | Yes | - |
| Max Data Rate | - | N/A | N/A | N/A | - |
| Operating System Compatibility | - | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi / FreeBSD | Windows / Linux / VMware ESXi | - |
| PCIe Version | - | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | - |
| Port Count | - | N/A | N/A | N/A | - |
| Power Requirements | - | 3.3V | 3.3V | 3.3V | - |
| Product Name | - | 870549-B21-DL38X GEN10 12GB SAS EXPANDER PL SY | 726736-B21-HPE Smart Array P440ar/2G Controller | 804424-B21-SMART ARRAY P204I-C SR GEN10 CTRLR PL=SI | - |
| Product Type | - | Expansion Card | Expansion Card | Expansion Card | - |
| RAID Levels Supported | - | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | - |
| Supported Ports | - | N/A | N/A | N/A | - |
| Use Case | - | Storage Expansion | Storage Expansion | Storage Expansion / Server Expansion | - |
| Weight | - | N/A | N/A | N/A | - |
| Width | - | N/A | N/A | N/A | - |
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Questions & Answers
Q
What is the HPE Smart Array P440ar/2G Controller (SKU: 726736-B21)?
A
The HPE Smart Array P440ar/2G Controller (726736-B21) is an embedded RAID controller for HPE ProLiant Gen9 servers, offering hardware RAID acceleration and 2 GB of battery-backed cache for enterprise-grade storage performance.
Q
Which HPE ProLiant servers are compatible with the P440ar/2G Controller?
A
This controller is compatible with HPE ProLiant Gen9 rack and tower servers featuring a FlexibleLOM or PCIe slot designed for embedded Smart Array modules.
Q
What RAID levels does the P440ar/2G support?
A
The P440ar/2G supports RAID 0, 1, 5, 6, 10, 50 and 60, enabling flexible data protection and performance optimization for mixed workload environments.
Q
How much cache memory does the P440ar/2G controller have?
A
The controller includes 2 GB of battery-backed write cache (BBWC) to accelerate write operations and protect data integrity during power loss.
Q
Does the P440ar/2G include a flash-backed write cache (FBWC)?
A
No, the P440ar/2G uses a battery-backed write cache (BBWC) rather than flash-backed cache, delivering reliable data protection with rapid battery recharge.
Q
What types of disks can I use with this controller?
A
The P440ar/2G supports SAS, SATA, and Nearline SAS hard drives as well as SAS and SATA SSDs certified for HPE servers.
Q
Can I attach NVMe drives to the P440ar/2G controller?
A
No. The P440ar/2G is designed for SAS/SATA arrays only; NVMe support requires a dedicated NVMe HBA or Smart Array NVMe controller.
Q
Is a license key required to enable all RAID features?
A
No additional license is required; all RAID levels and features are enabled out of the box with the P440ar/2G firmware.
Q
Which management tools can I use to configure the controller?
A
You can configure and monitor the controller via HPE Smart Storage Administrator (SSA), HPE iLO, or the command-line tool hpssacli.
Q
How do I update the firmware on the P440ar/2G controller?
A
Firmware updates are available through HPE Service Pack for ProLiant (SPP) or the HPE website; apply them using HPE Intelligent Provisioning or Smart Storage Administrator.
Q
How do I install the P440ar/2G controller in my server?
A
Power down the server, insert the P440ar/2G into the embedded adapter slot or PCIe bay, secure it, then power on and configure RAID arrays via Smart Storage Administrator.
Q
What monitoring features does the controller offer?
A
The controller provides S.M.A.R.T. disk health, predictive drive failure alerts, battery status monitoring, and detailed event logs through HPE SSA and iLO.
Q
How can I troubleshoot common P440ar/2G errors?
A
Use HPE SSA or iLO to review event logs, check cable connections, verify battery health, update firmware, and consult HPE support if errors persist.
Q
Can I upgrade from an older Smart Array controller to the P440ar/2G?
A
Yes. Simply replace the existing controller with the P440ar/2G in a compatible ProLiant Gen9 server and import your RAID configuration using Smart Storage Administrator.
Q
What warranty and support options are available for this controller?
A
The P440ar/2G comes with a one-year HPE warranty; optional HPE Care Pack services extend coverage up to five years for hardware replacement and 24×7 support.
Q
Where can I purchase the HPE Smart Array P440ar/2G Controller?
A
You can purchase it through HPE authorized resellers, HPE’s online store, or major IT distributors, using SKU 726736-B21 for accurate product ordering.
