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Controller spare kit integrated seamlessly.
Q8D54A
HPE NS CS440G Cntlr/PS/HDD/SSD Spare Kit
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Q8D54A
HPE NS CS440G Cntlr/PS/HDD/SSD Spare Kit
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Q8D54A is a high-performance NAS storage system featuring an 8-bay design that supports SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drive types, offering a total storage capacity of up to 512 TB. It supports multiple RAID levels including RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, and is engineered with industry-grade components tailored for demanding data storage environments.
Q8D54A is equipped with an Intel Xeon processor featuring 8 cores and comes with a pre-installed 16 GB of DDR4 memory that is upgradeable to 64 GB. The system includes USB 3.2 interfaces, 10GbE network connectivity with 2 LAN ports, expansion support, a redundant power supply rated at 350W, and redundant fan cooling, making it ideally suited for SMB backup, enterprise data centers, virtualization, and media server use cases.
Q8D54A price is is available on request. Get immediate quote.
Request bulk order quote for Q8D54A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
In enterprise data centers requiring 24/7 uptime, IT operations teams pre-stage the Q8D54A-HPE NS CS440G Controller/PS/HDD/SSD Spare Kit to execute hot-swap replacements of failing controllers, power supplies, HDDs or SSDs without taking storage nodes offline. This proactive spare-kit strategy slashes mean-time-to-repair to under 15 minutes, maintains 99.99% availability, upholds SLAs, and extends hardware lifecycle efficiency.
Cloud hosting platforms deploy the Q8D54A-HPE NS CS440G Spare Kit as part of their standard hardware redundancy plan. When a CS440G node component fails, on-site technicians use the pre-configured kit to replace controllers, PSUs, HDDs or SSDs immediately, eliminating service degradation. The outcome is sub-30-minute restoration, optimized customer experience, and minimized revenue loss due to downtime.
In banking and trading environments where transaction integrity is paramount, infrastructure teams keep Q8D54A-HPE NS CS440G Spare Kits on-premise for rapid component swaps. By hot-swapping failing HDDs, SSDs, controllers or PS units within minutes, firms ensure real-time data replication, achieve continuous regulatory compliance, and avoid costly service interruptions during end-of-day batch processing.
To get the detailed certification, please go to the Compliance Center.
 Q8D54A |  Q8G63A |  Q8E96A |  Q8B68A |  Q8B74A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | SAN | SAN | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 8-bay | 24-bay | 12-bay | 12-bay |
| Supported Drive Types | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 256 TB | 512 TB | 1 PB | 1 PB |
| 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 50 / RAID 60 / JBOD | 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 | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 64 GB | 64 GB | 128 GB | 128 GB | 64 GB |
| RAM Type | DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 2 | 4 | 4 | 4 |
| USB Ports | USB 3.2 | USB 3.1 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Active | Active | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 500W | 350W | 750W | 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 | Yes | No | No | No | No |
| Use Case | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | SMB, Enterprise Data Center, Virtualization, Media Server | Enterprise Data Center |
| Product Name | Q8D54A Enterprise NAS Storage System | Q8G63A Enterprise SAN Storage | Q8E96A High-Performance Storage System | Q8B68A Enterprise Storage Array | Q8B74A Enterprise SAN Storage System |
| Height | 3.5 in | 3 inches | 3.5 inches | 3 inches | 3.5 inches |
| Width | 17.5 in | 17 inches | 17.5 inches | 17.5 inches | 17.5 inches |
| Depth | 20.0 in | 28 inches | 28 inches | 27.5 inches | 25.0 inches |
| Weight | 25 lbs | 45 lbs | 45 lbs | 45 lbs | 28 lbs |
Controller spare kit integrated seamlessly.
System was back online quickly.
No compatibility issues encountered.
Essential spare for production environments.
Dependable hardware replacement.
The HPE NS CS440G Spare Kit (Q8D54A) is an OEM replacement package containing controller, power supply, HDD, SSD and mounting hardware for HPE StoreOnce CS440G systems.
The kit includes one NS CS440G controller, one redundant power supply unit, a hot-swappable HDD, an SSD, rack-mount brackets, screws and connection cables.
Yes, the Q8D54A Spare Kit is fully compatible with HPE StoreOnce CS440G storage appliances for seamless integration and maintained performance.
Power down the CS440G, remove the faulty controller and PSU, slide in the replacements until they latch, secure with screws, reconnect cables and power up.