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Spare kit matched existing hardware and restored service quickly.
Q8D35A
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NS CS220-X8 Controller/PS/HDD/SSD Spare Kit
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Name:
Q8D35A
- Description:
- NS CS220-X8 Controller/PS/HDD/SSD Spare Kit
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- Brand:
- Hpe
- Condition:
3 Year Extended Warranty
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Q8D35A Overview
Q8D35A is a SAN storage solution offering 24 drive bays that support SATA HDD, SAS HDD, SATA SSD, and NVMe SSD types with a total storage capacity of 1 PB. It supports RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 and is powered by an Intel Xeon processor with 8 cores alongside 16 GB pre-installed memory that can be upgraded to a maximum of 128 GB using ECC DDR4 RAM.
The system delivers interfaces including 10GbE and USB 3.2, integrates 4 LAN ports, and provides expansion support for enhanced scalability. It features a redundant power supply rated at 750W, redundant fan cooling for optimal thermal management, and is ideal for enterprise data centers, virtualization environments, and media server applications.
Q8D35A price is is available on request. Get immediate quote.
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Q8D35A Specifications
- Product Type
- Storage System
- Storage Type
- SAN
- Form Factor
- Rackmount
- Bay Count
- 24-bay
- Supported Drive Types
- Mixed
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 1 PB
- 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
- 128 GB
- RAM Type
- ECC DDR4
- Network Ports
- 10GbE
- LAN Ports
- 4
- USB Ports
- USB 3.2
- Expansion Support
- Yes
- Cooling
- Redundant Fan
- Power Supply
- Redundant
- Power Supply Wattage
- 750W
- 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
- Q8D35A Enterprise Storage Array
- Height
- 3.5 inches
- Width
- 17.5 inches
- Depth
- 28.0 inches
- Weight
- 45 lbs
Q8D35A Use Case
Proactive Data Center Maintenance with Q8D35A-NS CS220-X8 Spare Kit
In a global financial services data center running 24/7 transaction processing, IT operations integrate the Q8D35A-NS CS220-X8 Controller/PS/HDD/SSD Spare Kit into their predictive failure workflows. On detecting an imminent drive or power-supply fault, technicians perform a hot-swap replacement within minutes, cutting mean time to repair (MTTR) by 80% and maintaining uninterrupted SLA-driven performance. The outcome is maximized system availability, minimized revenue loss, and strengthened regulatory compliance.
Rapid Failover for Cloud Service Providers Using Q8D35A-NS CS220-X8
A hyperscale cloud provider operating hundreds of CS220-X8 storage nodes uses the Q8D35A-NS spare kit to enable instant component replacement in multi-tenant environments. When a controller or SSD exhibits wear-level warnings, field engineers execute a hot-swap procedure without server shutdown, ensuring sub-five-minute failover and zero impact on customer workloads. This approach elevates uptime to 99.999%, reduces support tickets by 60%, and reinforces the provider’s reputation for high-availability cloud services.
On-Premise Disaster Recovery for Regulated Enterprises with Q8D35A-NS CS220-X8
A healthcare organization subject to strict data retention mandates deploys the Q8D35A-NS CS220-X8 Spare Kit in its secondary DR site. In the event of a primary array failure, on-site engineers swap out the faulty controller, power supply, or SSD in under ten minutes, restoring encrypted patient records without data loss. This rapid recovery process ensures compliance with HIPAA guidelines, avoids RTO/RPO breaches, and delivers business continuity assurance for critical clinical operations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q8D35A |  Q8F80A |  Q8B73A |  Q8D20A |  Q8F66A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | SAN | SAN | SAN | NAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 24-bay | 8-bay | 8-bay | 8-bay | 8-bay |
| Supported Drive Types | Mixed | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SATA SSD / NVMe SSD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 1 PB | 1 PB | 1 PB | 512 TB | 512 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 5 / RAID 6 | 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 | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 128 GB | 64 GB | 64 GB | 128 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 2 | 4 | 2 | 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 | Redundant Fan | Redundant Fan | Redundant Fan | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 750W | 500W | 750W | 750W | 500W |
| 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 | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center / Virtualization | Enterprise Data Center |
| Product Name | Q8D35A Enterprise Storage Array | Q8F80A Enterprise Storage System | Q8B73A Storage System | Q8D20A Enterprise Storage Array | Q8F66A Enterprise NAS Storage System |
| Height | 3.5 inches | 3 inches | 3.5 inches | 3.5 inches | 3 inches |
| Width | 17.5 inches | 17 inches | 17.5 inches | 17 inches | 17 inches |
| Depth | 28.0 inches | 25 inches | 28 inches | 27 inches | 28 inches |
| Weight | 45 lbs | 45 lbs | 35 lbs | 45 lbs | 55 lbs |
Reviews & Ratings
H
Harvey Dalton
5
All components fit perfectly and stabilized the system.
M
Miles Thornton
5
Reliable spare for minimizing downtime during failures.
G
Grant Holloway
5
Installation was straightforward with predictable results.
R
Ross Cunningham
4
Met expectations for enterprise recovery scenarios.
Questions & Answers
What is HP Q8D35A NS CS220-X8 Controller/PS/HDD/SSD Spare Kit?
The HP Q8D35A NS CS220-X8 Spare Kit is a factory-authorized replacement package for the HP StoreEasy NS CS220-X8 storage shelf, including a controller, dual power supplies, drive carriers and required interconnect cables.
What components are included in the HP Q8D35A spare kit?
The Q8D35A kit comprises one NS CS220-X8 controller board, two hot-swappable power supplies, eight HDD/SSD drive sleds and all requisite SAS interconnect cables.
Which systems support the NS CS220-X8 spare kit?
The HP Q8D35A kit is compatible with the HP StoreEasy NS CS220-X8 enclosure and integrates seamlessly with HP ProLiant Gen10 servers configured for StoreEasy storage solutions.
How do I install the NS CS220-X8 controller from the Q8D35A kit?
Power down the NS CS220-X8 enclosure, remove the front bezel, insert the controller into the designated PCIe slot until it locks, reconnect all cables and power on the system.
Are the power supplies in the Q8D35A kit hot-swappable?
Yes, the kit’s dual 500W power supplies are fully hot-swappable, ensuring uninterrupted operation and built-in redundancy.
Can I use both HDD and SSD drives with the Q8D35A kit?
Yes, the NS CS220-X8 controller supports both 3.5″ HDDs and 2.5″ SSDs in the supplied sleds, enabling flexible capacity and performance configurations.
What is the maximum storage capacity supported by the Q8D35A kit?
With eight drive bays and support for up to 18TB drives, the kit delivers a maximum raw capacity of 144TB.
How does the NS CS220-X8 spare kit enhance storage performance?
The high-performance controller and SAS 12Gb/s backplane deliver low latency and up to 6GB/s aggregate throughput for demanding enterprise workloads.
Is firmware included in the HP Q8D35A spare kit?
Firmware is preloaded on the controller; however, HP recommends verifying and updating to the latest firmware via HP Support Center for optimal reliability and features.
How do I verify the authenticity of the Q8D35A spare kit?
Use the HP Spare Part Lookup tool on the HP Support website and confirm the serial number and HPE Genuine Spare logo to ensure authenticity.
Is the Q8D35A spare kit covered by HP warranty?
Yes, the HP Q8D35A is covered under the original system warranty or service contract, providing full parts replacement coverage.
What tools are required to install the Q8D35A spare kit?
Installation requires only a Phillips-head screwdriver and an ESD grounding wrist strap for safe and proper handling.
Where can I find setup and configuration guides for NS CS220-X8?
Official setup and configuration guides are available on the HP Support website under the NS CS220-X8 product documentation section.
How do I troubleshoot issues when installing the Q8D35A spare kit?
Refer to the troubleshooting section in the NS CS220-X8 user manual, verify cable connections, check LED status indicators, and contact HP Support if errors persist.
Is technical support available for the HP Q8D35A spare kit?
Yes, comprehensive technical support is available through HP Support Center via phone, live chat or online case submission.
Can I use the NS CS220-X8 spare kit in a virtualized environment?
Yes, the NS CS220-X8 integrates seamlessly with VMware, Microsoft Hyper-V and other virtualization platforms for shared storage deployments.
How do I order replacement components for the Q8D35A spare kit?
Contact an authorized HP reseller or order directly via the HP Parts Store using SKU Q8D35A to purchase individual replacement components.