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Smart Array controller delivered reliable RAID performance immediately.
726825-B21
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HP P441-4GB FBWC CONTROLLER ONLY HPE NEW GENUINE SPARE 1YR W...
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726825-B21
- Description:
- HP P441-4GB FBWC CONTROLLER ONLY HPE NEW GENUINE SPARE 1YR WTY
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- Hpe
- Condition:
3 Year Extended Warranty
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726825-B21 Overview
726825-B21-HP P441-4GB FBWC CONTROLLER ONLY HPE NEW GENUINE SPARE 1YR WTY is a specialized flash-backed write cache (FBWC) module developed exclusively for HPE server environments. Designed specifically as a controller-only spare for the HP Smart Array P441 series, this 4GB FBWC unit enhances data protection by maintaining cached data integrity during power interruptions, thereby ensuring reliable storage performance.
This genuine HPE component integrates seamlessly with supported HPE RAID controller architectures, delivering optimized write cache functionality and improved overall system responsiveness. With a focus on server enhancement and storage expansion in enterprise deployments, it guarantees compatibility with industry-standard operating systems, including Windows, Linux, and VMware ESXi, and comes backed by a 1-year warranty to ensure long-term operational reliability.
726825-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 726825-B21 for additional pricing. Browse the full category range or explore all Hpe products.
726825-B21 Specifications
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- PCIe Version
- N/A
- Product Type
- Expansion Card
- Supported Ports
- N/A
- Max Data Rate
- N/A
- RAID Levels Supported
- N/A
- Capture Resolution
- N/A
- Capture Frame Rate
- N/A
- Card Type
- Storage Controller
- Low Profile Bracket
- No
- Operating System Compatibility
- Windows / Linux / VMware ESXi
- Port Count
- N/A
- Full Height Bracket
- No
- Interface
- N/A
- Chipset / Controller
- HP Smart Array P441 FBWC
- Cooling
- N/A
- Bus Width
- N/A
- Power Requirements
- N/A
- Use Case
- Storage Expansion / Server Enhancement
- Product Name
- 726825-B21-HP P441-4GB FBWC CONTROLLER ONLY HPE NEW GENUINE SPARE 1YR WTY
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 726825-B21 |  759553-B21 |  H6G86A |  698529-B21 |  698537-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | |
| Card Type | Storage Controller | Storage Controller | Storage Controller | Other | |
| Interface | N/A | PCIe x8 | PCIe x8 | N/A | |
| PCIe Version | N/A | PCIe 3.0 | PCIe 3.0 | N/A | |
| Chipset / Controller | HP Smart Array P441 FBWC | N/A | Smart Array P430 | N/A | |
| Supported Ports | N/A | N/A | N/A | N/A | |
| Port Count | N/A | 2 | 1 | N/A | |
| Max Data Rate | N/A | N/A | N/A | N/A | |
| RAID Levels Supported | N/A | JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / JBOD | 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 | No | N/A | |
| Full Height Bracket | No | Yes | Yes | N/A | |
| Cooling | N/A | Passive | Passive | N/A | |
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi / FreeBSD | N/A | |
| Bus Width | N/A | 64-bit | 64-bit | N/A | |
| Power Requirements | N/A | 3.3V | 3.3V | N/A | |
| Use Case | Storage Expansion / Server Enhancement | Storage Expansion | Storage Expansion | Storage Expansion | |
| Product Name | 726825-B21-HP P441-4GB FBWC CONTROLLER ONLY HPE NEW GENUINE SPARE 1YR WTY | 759553-B21-HPE H240NR SMART HBA | 698529-B21-HPE Smart Array P430/2GB FBWC 12Gb 1-port Int SAS Controller | 698537-B21-HP 4GB FBWC FIO Kit for P-series SA | |
| Height | N/A | N/A | 0.55 | N/A | |
| Width | N/A | N/A | 4.45 | N/A | |
| Depth | N/A | N/A | 7.25 | N/A | |
| Weight | N/A | N/A | 1.03 | N/A |
Reviews & Ratings
M
Mishaal Khan
5
Cache handling improved disk responsiveness.
O
Oliver Brandt
4
OEM spare installed without issues.
F
Faizan Mirza
5
Consistent storage performance under load.
D
Doreen Walsh
5
Very dependable controller.
Questions & Answers
What is the HP P441-4GB FBWC Controller (SKU: 726825-B21)?
The HP P441-4GB FBWC Controller (SKU: 726825-B21) is a genuine HPE RAID controller upgrade featuring 4 GB of flash-backed write cache, designed to boost server storage performance and data protection.
Which servers are compatible with the HP P441-4GB FBWC Controller?
This controller is compatible with most HPE ProLiant Gen9 and Gen10 servers, including DL, ML and BL rack, tower and blade configurations; always verify your server’s QuickSpecs for exact compatibility.
What are the key benefits of the P441-4GB FBWC Controller?
Key benefits include faster write performance, immediate cache protection in power loss scenarios, improved RAID management, and extended system uptime through advanced redundancy features.
How does flash-backed write cache (FBWC) enhance performance?
FBWC stores pending writes in ultra-fast cache memory and uses an onboard flash module to preserve data during power loss, delivering both higher throughput and data integrity.
Is the HP P441-4GB controller a genuine HPE spare part?
Yes. The HP P441-4GB FBWC Controller (726825-B21) is a new, factory-sealed genuine HPE spare, ensuring full compatibility and quality standards.
What warranty coverage is included with this controller?
This HPE controller comes with a one-year limited warranty, covering defects in materials and workmanship under normal use.
Can I install the P441-4GB FBWC Controller myself?
Yes. HPE provides step-by-step installation guides and quick installation tools; however, follow proper electrostatic discharge (ESD) precautions for server hardware.
How do I update firmware on the HP P441-4GB controller?
Use HPE Smart Update Manager or HPE Service Pack for ProLiant (SPP) to download and apply the latest firmware package, ensuring optimal performance and security.
What RAID levels does the P441-4GB FBWC Controller support?
The controller supports RAID 0, 1, 5, 6, 10, 50 and 60, enabling flexible redundancy and performance configurations to meet diverse workload requirements.
How does the controller handle power failures?
In case of power loss, the onboard flash module automatically backs up cached data to non-volatile flash, then restores it when power returns, protecting write operations.
Does the controller require additional power cables?
No. The P441-4GB uses the server’s standard power infrastructure—no extra power cables are necessary for installation or operation.
How do I purchase the HP P441-4GB FBWC Controller (726825-B21)?
You can order directly from HPE or an authorized reseller; provide the SKU (726825-B21) for accurate ordering and check for bulk or service contract discounts.
What is the typical lead time for delivery?
Delivery lead times vary by region and stock availability, but most orders ship within 1–3 business days from an HPE authorized distributor.
Can I return this controller if it doesn’t fit my system?
Yes. HPE authorized resellers typically offer a return window—confirm their return policy and restocking fees before purchase.
How do I dispose of the old RAID controller safely?
Follow local electronic waste regulations; HPE also offers recycling programs through authorized collection and take-back services.
Where can I find technical support for the P441-4GB FBWC Controller?
HPE provides 24/7 global support through its HPE Support Center, including driver downloads, documentation and live assistance for your controller.