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Controller swap was straightforward and quick.
Q8F71A
HPE NS CS420-X2/CS440/CS460 Spare Controller
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Q8F71A
HPE NS CS420-X2/CS440/CS460 Spare Controller
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Q8F71A is a NAS storage system featuring 12 drive bays that support a mix of SATA HDD, SAS HDD, SATA SSD, and NVMe SSD, delivering a total storage capacity of up to 96 TB. It is built with hardware RAID support (RAID 0, RAID 1, RAID 5, RAID 6, RAID 10), powered by an Intel Xeon processor with 8 cores and 16 GB of pre-installed ECC DDR4 memory (expandable to 32 GB), ensuring robust data protection and high performance.
This enterprise-grade device offers versatile connectivity with 10GbE network ports, 4 LAN ports, and USB 3.2 interfaces. It supports expansion options, active cooling technology, and a redundant power supply rated at 350W. Designed for critical use cases such as SMB backup, enterprise data centers, virtualization, and media servers, Q8F71A delivers reliable and scalable storage solutions.
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In a global financial services data center running HPE NS CS420-X2 arrays, the Q8F71A–HPE NS CS420-X2/CS440/CS460 Spare Controller is pre-staged to replace a failing controller module within minutes. By hot-swapping the spare controller, IT teams eliminate scheduled outages, sustain 24x7 transaction processing and meet sub-15-minute RTO objectives. The result is continuous high availability for critical trading applications and enhanced business continuity.
A large-scale AI research lab leverages HPE NS CS440 clusters to host training datasets. Integrating the Q8F71A spare controller enables immediate, controller-level failover during heavy I/O workloads. This uninterrupted data access streamlines model training, accelerates time-to-insight by 30%, and safeguards GPU compute resources from downtime, delivering predictable performance for AI/ML initiatives.
In a Fortune 500 private cloud environment using HPE NS CS460 arrays, the Q8F71A Spare Controller is employed during quarterly DR drills to validate failover workflows. By swapping controllers in a controlled manner, virtualization engineers confirm automated replication and restore processes without risking primary workloads. This practice reduces DR test duration by 50% and verifies RPO/RTO SLAs are met, reinforcing regulatory compliance and operational resilience.
To get the detailed certification, please go to the Compliance Center.
 Q8F71A |  Q8D68A |  Q8D28A |  Q8F09A |  Q8D01A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | SAN | NAS | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 12-bay | 16-bay | 24-bay | 8-bay | 8-bay |
| Supported Drive Types | Mixed | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 96 TB | 512 TB | 512 TB | 512 TB | 512 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| Installed RAM | 16 GB | 16 GB | 8 GB | 16 GB | 16 GB |
| Max RAM Capacity | 32 GB | 64 GB | 32 GB | 128 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 4 | 4 | 4 | 4 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.1 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Active | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 750W | 750W | 350W | 750W |
| Operating System | Custom OS | Custom OS | Custom OS | Custom OS | Custom OS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | No | No | No | No | No |
| Use Case | Enterprise Data Center | Enterprise Data Center | SMB / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | Enterprise Data Center |
| Product Name | Q8F71A Enterprise Storage NAS | Q8D68A 16-Bay Enterprise SAN | Q8D28A Enterprise SAN Storage System | Q8F09A Enterprise NAS | Q8D01A Enterprise Storage Array |
| Height | 3 inches | 3.5 inches | 4 inches | 3 inches | 4 inches |
| Width | 17 inches | 17 inches | 17.5 inches | 17 inches | 17 inches |
| Depth | 28 inches | 27 inches | 28 inches | 28 inches | 28 inches |
| Weight | 35 lbs | 45 lbs | 50 lbs | 25 lbs | 45 lbs |
Controller swap was straightforward and quick.
System recognized hardware instantly.
Helped minimize outage time.
Good redundancy planning component.
Reliable spare controller.
The HPE NS CS420-X2/CS440/CS460 Spare Controller (SKU Q8F71A) is a factory-tested replacement module designed to restore full RAID and storage management functionality in supported HPE server arrays.
SKU Q8F71A is compatible with HPE NS CS420-X2, CS440, and CS460 Storage Systems and integrates seamlessly with HPE Smart Array controllers.
Key features include full RAID support, hot-swap capability, onboard cache memory, and seamless integration with HPE OneView for centralized management.
To install Q8F71A, power down the server array, eject the failed controller, slide in the replacement module until it clicks, then power on and verify status in HPE OneView.