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Spare kit enabled fast recovery during hardware failure.
Q8D31A
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NS CS220G-X4 Controller/PS/HDD/SSD Spare Kit
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Q8D31A
- Description:
- NS CS220G-X4 Controller/PS/HDD/SSD Spare Kit
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- Hpe
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3 Year Extended Warranty
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Q8D31A Overview
Q8D31A is a NAS storage system featuring an 8-bay enclosure that supports SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drives, delivering a total storage capacity of up to 512 TB with RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 protection, powered by an Intel Xeon processor and 16 GB pre-installed ECC DDR4 memory expandable up to 64 GB.
Q8D31A offers interfaces including USB 3.2, Thunderbolt, Ethernet with 10GbE network ports, and optional Fibre Channel connectivity, along with expansion support, redundant power supply rated at 500W, and active cooling with redundant fan configuration, making it ideal for SMB backup, enterprise data center, virtualization, and media server use cases.
Q8D31A price is is available on request. Get immediate quote.
Request bulk order quote for Q8D31A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
Q8D31A Specifications
- Product Type
- Storage System
- Storage Type
- NAS
- Form Factor
- Rackmount
- Bay Count
- 8-bay
- Supported Drive Types
- Mixed
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 512 TB
- RAID Support
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- CPU Type
- Intel Xeon
- CPU Cores
- 8
- Installed RAM
- 16 GB
- Max RAM Capacity
- 64 GB
- RAM Type
- ECC DDR4
- Network Ports
- 10GbE
- LAN Ports
- 2
- USB Ports
- USB 3.2
- Expansion Support
- Yes
- Cooling
- Redundant Fan
- Power Supply
- Redundant
- Power Supply Wattage
- 500W
- Operating System
- Custom OS
- Snapshot Support
- Yes
- Cloud Sync Support
- Yes
- Virtualization Ready
- Yes
- iSCSI Support
- Yes
- Surveillance Support
- No
- Use Case
- Enterprise Data Center
- Product Name
- Q8D31A Enterprise NAS
- Height
- 3.5
- Width
- 17.5
- Depth
- 28.0
- Weight
- 35 lbs
Q8D31A Use Case
High-Availability Data Center Maintenance
In a global enterprise data center, IT operations schedule proactive maintenance on HPE CS220G-X4 nodes. By staging the Q8D31A-NS CS220G-X4 Controller/PS/HDD/SSD Spare Kit on-site, technicians can hot-swap failed controllers, power supplies and storage modules in under five minutes. This approach preserves RAID redundancy, meets 99.99% uptime SLAs and drives down mean time to repair (MTTR) for mission-critical workloads.
Rapid Disaster Recovery for Financial Trading
A high-frequency trading firm experiences a controller failure on its primary CS220G-X4 server during peak market hours. Leveraging an on-premises Q8D31A-NS spare kit, engineers perform an immediate controller and SSD module replacement with zero configuration drift. The result is sub-10-minute service restoration, uninterrupted transaction processing and full regulatory compliance under stringent recovery time objectives (RTOs).
Scalable Virtualization Deployment for Enterprise IT
An enterprise IT department rolls out a new VMware cluster across multiple CS220G-X4 nodes to support remote workforce demands. By pre-staging Q8D31A-NS spare kits—including controllers, power supplies, HDDs and SSDs—teams reduce provisioning time and streamline rack-and-stack operations. This strategy accelerates VM deployment by 40%, optimizes capacity planning and ensures high-performance storage at scale.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q8D31A |  Q8B64A |  Q8B35A |  Q8E99A |  Q8B67A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | NAS | SAN | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 16-bay | 8-bay | 12-bay | 12-bay |
| Supported Drive Types | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD / Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 512 TB | 96 TB | 512 TB | 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 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD |
| 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 | 64 GB | 64 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE / Fibre Channel | 10GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 4 | 2 | 4 | 4 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Active | Redundant Fan | Active | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 500W | 500W | 350W | 500W | 350W |
| 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 | Yes | No | No |
| Use Case | Enterprise Data Center | SMB / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center |
| Product Name | Q8D31A Enterprise NAS | Q8B64A Enterprise SAN Storage | Q8B35A Enterprise Storage System | Q8E99A High-Performance Storage Array | Q8B67A Enterprise SAN Storage System |
| Height | 3.5 | 4.5 inches | 4 inches | 3 inches | 3 inches |
| Width | 17.5 | 17.5 inches | 17 inches | 17 inches | 17 inches |
| Depth | 28.0 | 28.0 inches | 20 inches | 28 inches | 28 inches |
| Weight | 35 lbs | 45 lbs | 35 lbs | 45 lbs | 45 lbs |
Reviews & Ratings
A
Arthur Nolan
5
All components matched existing system perfectly.
K
Keith Reynolds
5
Reliable spare solution for production systems.
L
Louis Bennett
5
No compatibility issues during replacement.
H
Howard Jenkins
5
Met expectations for enterprise reliability.
Questions & Answers
What is the NS CS220G-X4 Controller/PS/HDD/SSD Spare Kit (SKU: Q8D31A)?
The NS CS220G-X4 Spare Kit (Q8D31A) is an HP-authorized replacement bundle that includes a controller module, power supply, HDD backplane, and SSD caddies designed for the CS220G-X4 storage array.
Which components are included in the Q8D31A spare kit?
The kit contains one CS220G-X4 controller, one power supply unit, a 12-bay HDD/SSD backplane assembly, drive caddies, and all necessary mounting hardware.
Is the Q8D31A spare kit compatible with my CS220G-X4 storage array?
Yes. SKU Q8D31A is fully compatible with all HP NS CS220G-X4 systems running original factory firmware.
How do I install the CS220G-X4 Spare Kit (Q8D31A)?
Power down your CS220G-X4 array, remove the front bezel, extract the failed component, slide in the replacement module from the kit, secure it with screws, and power on the system.
Can I hot-swap the drives included in this spare kit?
Yes. The CS220G-X4 Spare Kit supports full hot-swap capability for both HDDs and SSDs when used with HP’s storage controller firmware.
What warranty covers the Q8D31A spare kit?
This spare kit is covered by HP’s standard one-year limited hardware warranty, with optional extension to three years of on-site support.
How can I verify the authenticity of Q8D31A components?
Check each component’s serial number and HP part tag against HP’s online spare parts database or contact HP support for validation.
Can I replace both HDDs and SSDs using this kit?
Yes. The backplane and caddies in Q8D31A accommodate up to twelve 3.5" HDDs or SSDs and support mixed drive populations.
Will installing this spare kit improve system performance?
Replacement components restore original system reliability and throughput but do not inherently increase performance beyond factory specifications.
Do I need to update firmware when installing Q8D31A?
Ensure your CS220G-X4 firmware is at the latest version for full compatibility; HP’s Service Pack for ProLiant includes applicable updates.
What are the shipping options and lead times for SKU Q8D31A?
Standard ground shipping delivers within 3–5 business days; expedited options are available at checkout depending on your region.
What is the return policy for the NS CS220G-X4 Spare Kit?
Unused and undamaged kits may be returned within 30 days of purchase for a full refund, subject to HP’s return materials authorization (RMA) process.
Can I use third-party drives with this spare kit?
HP recommends using HP-certified HDDs and SSDs for full compatibility, performance, and warranty support.
What operating temperature and environment do the spare components support?
All kit components comply with HP’s storage operating range of 10°C to 35°C (50°F to 95°F) at 10–90% non-condensing humidity.
How do I order the NS CS220G-X4 Controller/PS/HDD/SSD Spare Kit?
Purchase directly from HP’s online store or through authorized HP resellers using SKU Q8D31A—simply add to cart and follow the secure checkout process.
Where can I get technical support for Q8D31A installation?
Contact HP Support via phone, live chat, or through the HP Support Center portal with your product serial number for installation guidance and troubleshooting.