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Simon Rowe
5
P440 controller improved write speeds noticeably.
761872-B21
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HP Smart Array P440/4G FIO Controller
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761872-B21
- Description:
- HP Smart Array P440/4G FIO Controller
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761872-B21 Overview
761872-B21-HP Smart Array P440/4G FIO Controller is a high-performance RAID controller expansion card built for server enhancement and storage expansion. Engineered to plug into a PCIe x8 slot with PCIe 3.0 generation support, this card employs the HP Smart Array P440/4G chipset to deliver robust hardware RAID capabilities and advanced data management for mission-critical applications.
This controller offers a low-profile bracket design with passive cooling to ensure reliable operation in dense server environments, while its compatibility with Windows, Linux, VMware ESXi, and FreeBSD makes it a versatile choice for enterprise storage solutions. Its targeted use cases include enhancing server storage performance and expanding storage capacity in NAS and data center applications.
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761872-B21 Specifications
- Depth
- 8.27 inches
- Height
- 0.67 inches
- Weight
- 1.35 lbs
- PCIe Version
- PCIe 3.0
- Product Type
- Expansion Card
- Interface
- PCIe x8
- Supported Ports
- N/A
- Max Data Rate
- N/A
- Capture Resolution
- N/A
- Capture Frame Rate
- N/A
- Low Profile Bracket
- Yes
- Cooling
- Passive
- Bus Width
- 64-bit
- Power Requirements
- 3.3V
- Use Case
- Storage Expansion
- Port Count
- N/A
- Full Height Bracket
- No
- Operating System Compatibility
- Windows / Linux / VMware ESXi / FreeBSD
- RAID Levels Supported
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- Card Type
- RAID Controller
- Chipset / Controller
- HP Smart Array P440/4G
- Product Name
- 761872-B21-HP Smart Array P440/4G FIO Controller
- Width
- 6.61 inches
761872-B21 Use Case
Enterprise Virtualization High-Availability Cluster Acceleration
In a global financial services firm running VMware vSphere, the HP Smart Array P440/4G FIO Controller consolidates dozens of SSDs into a resilient RAID-10 array with write-back caching and battery-protected flash. This configuration delivers sub-millisecond I/O latency, ensures zero data loss during power events, and boosts VM density by 40%, enabling uninterrupted trading operations and rapid VM provisioning under peak loads.
Real-Time Big Data Analytics Throughput Optimization
A retail analytics platform ingesting terabytes of customer transaction logs uses the P440/4G FIO Controller to implement RAID-6 protection with intelligent cache tiering between SSD and HDD tiers. By offloading parity calculations to the controller’s dedicated FPGA and leveraging 4 GB NV cache, the deployment achieves a 3× improvement in sequential read/write throughput, accelerating data mining queries and ensuring 24/7 analytical availability.
High-Volume OLTP Database Transaction Acceleration
A healthcare provider’s SQL Server cluster employs the Smart Array P440/4G FIO Controller to unify 12 NVMe SSDs into a RAID-10 array with advanced write-back caching and battery-protected flash. This setup drives sustained 200,000 IOPS at sub-millisecond write latency, slashes transaction commit times by 55%, and guarantees ACID compliance and rapid failover for critical patient-care applications.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 761872-B21 |  814069-B21 |  AJ762B |  698532-B21 |  726897-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | |
| Card Type | RAID 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 | HP Smart Array P440/4G | Smart FIO Controller | HPE Smart Array P431 | N/A | |
| Supported Ports | N/A | SFP+ | N/A | N/A | |
| Port Count | N/A | 2 | 2 | 2 | |
| Max Data Rate | N/A | 10Gbps | N/A | N/A | |
| RAID Levels Supported | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD | |
| Capture Resolution | N/A | N/A | N/A | N/A | |
| Capture Frame Rate | N/A | N/A | N/A | N/A | |
| Low Profile Bracket | Yes | Yes | No | No | |
| Full Height Bracket | No | Yes | Yes | Yes | |
| Cooling | Passive | Passive | Passive | Passive | |
| Operating System Compatibility | Windows / Linux / VMware ESXi / FreeBSD | 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 | |
| Product Name | 761872-B21-HP Smart Array P440/4G FIO Controller | 814069-B21-HPE H240NR SMART FIO HBA | 698532-B21-HPE Smart Array P431/4GB FBWC 12Gb 2-ports Ext SAS Controller | 726897-B21-HPE Smart Array P840/4GB FBWC 12Gb 2-ports Int SAS Controller | |
| Height | 0.67 inches | 1.69 inches | N/A | N/A | |
| Width | 6.61 inches | 4.37 inches | N/A | N/A | |
| Depth | 8.27 inches | 7.87 inches | N/A | N/A | |
| Weight | 1.35 lbs | 0.7 lbs | N/A | N/A |
Reviews & Ratings
A
Aamir Siddiq
4
Cache handled bursts reliably.
T
Thomas Berg
5
OEM FIO avoided firmware conflicts.
D
Daniel Ortiz
5
Stable RAID under sustained load.
M
Milan Vukovic
5
Good Gen9 controller.
Questions & Answers
What is the HP Smart Array P440/4G FIO Controller (SKU 761872-B21)?
The HP Smart Array P440/4G FIO Controller is a hardware RAID adapter with 4 GB flash-backed write cache, designed to deliver high-performance, fault-tolerant storage for HP ProLiant servers.
Which HP ProLiant servers are compatible with the P440/4G FIO Controller?
The P440/4G FIO Controller is compatible with HP ProLiant Gen8, Gen9 and Gen10 rack and tower servers that include a PCIe 3.0 slot and support Smart Array controllers.
What RAID levels does the Smart Array P440/4G FIO Controller support?
It supports RAID levels 0, 1, 5, 6, 10, 50 and 60, enabling flexible performance and redundancy configurations.
How does the 4 GB flash-backed write cache (FBWC) improve performance?
The 4 GB FBWC accelerates write operations by caching data in NAND flash during power loss, reducing write latency and improving write throughput.
How many drives can I connect to the P440/4G FIO Controller?
You can connect up to 24 SAS or SATA drives via two mini-SAS ports when used with HP drive backplanes and cables.
Does the P440/4G FIO Controller support NVMe SSDs?
No, the P440/4G FIO Controller supports only SAS and SATA drives; NVMe devices require an HP NVMe-capable HBA or controller.
Is the controller hot-swappable?
Yes, the P440/4G FIO Controller itself is hot-pluggable in supported servers and allows hot-swap of attached drives when configured in RAID.
Which host interface does the P440/4G FIO Controller use?
It uses a PCI Express 3.0 x8 host interface for connectivity to the server motherboard.
What operating systems are supported by this Smart Array controller?
Supported OSes include Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi and Citrix XenServer, with drivers available on HP’s support portal.
How do I install the Smart Array P440/4G FIO Controller?
Power down the server, insert the controller into an available PCIe 3.0 x8 slot, secure it, connect the mini-SAS cables to the drive backplane, and power on.
How do I configure RAID arrays on the P440/4G FIO Controller?
During server POST, press F8 to access the HP Smart Storage Administrator (SSA), follow the wizard to create logical drives and assign RAID levels.
How can I update the firmware for this controller?
Download the latest firmware bundle from HP’s support website and apply it via HP Smart Update Manager or the Intelligent Provisioning interface.
Do I need additional drivers for the P440/4G FIO Controller?
Yes, install the appropriate HP Smart Array driver for your operating system, available from HP’s official support download page.
Can I manage the controller remotely?
Yes, remote management is available through HP iLO with the HP Smart Storage Administrator extension or through HP OneView.
What distinguishes the P440/4G FIO Controller from the P440 with 2 GB cache?
The P440/4G FIO adds a 4 GB flash-backed cache for higher write performance and data protection, compared to the 2 GB cache version.
What warranty and support options are available for the P440/4G FIO Controller?
HP provides a one-year limited warranty with worldwide hardware support; extended warranties and Care Pack services are available separately.