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Oliver Grant
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Installed as a direct replacement and everything came back online smoothly with no performance impact.
Q8D42A
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NS CS240-X4 Controller/PS/HDD/SSD Spare Kit
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Q8D42A
- Description:
- NS CS240-X4 Controller/PS/HDD/SSD Spare Kit
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- Brand:
- Hpe
- Condition:
3 Year Extended Warranty
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Q8D42A Overview
Q8D42A is a SAN storage system featuring an 8-bay chassis that supports a mixed range of drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD. It offers a total storage capacity of up to 1 PB with support for RAID 0, RAID 1, RAID 5, and RAID 6 configurations, powered by an Intel Xeon processor featuring 8 cores and pre-installed 16 GB of ECC DDR4 memory that can be expanded to 64 GB.
Q8D42A provides versatile connectivity with USB 3.2 and 10GbE network ports along with 4 LAN ports, ensuring high-performance data transfers and extensive network support. With expansion support, redundant fan cooling, and a redundant 500W power supply, this enterprise-grade solution is ideally suited for data centers and virtualization use cases.
Q8D42A price is is available on request. Get immediate quote.
Request bulk order quote for Q8D42A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
Q8D42A Specifications
- Product Type
- Storage System
- Storage Type
- SAN
- Form Factor
- Rackmount
- Bay Count
- 8-bay
- Supported Drive Types
- Mixed
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 1 PB
- RAID Support
- RAID 0 / RAID 1 / RAID 5 / RAID 6
- 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
- 4
- 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
- Q8D42A Enterprise Storage Array
- Height
- 3.5 inches
- Width
- 17.5 inches
- Depth
- 25 inches
- Weight
- 45 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q8D42A |  Q8D09A |  Q8D26A |  Q8D67A |  Q8B78A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | SAN | SAN | SAN | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 8-bay | 8-bay | 16-bay | 12-bay |
| Supported Drive Types | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD / Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 1 PB | 256 TB | 256 TB | 1 PB | 1 PB |
| RAID Support | RAID 0 / RAID 1 / 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 | 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 | 128 GB | 64 GB | 64 GB | 128 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR4 |
| Network Ports | 10GbE | 1GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 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 | Redundant Fan | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 500W | 350W | 500W | 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 | Yes | No | Yes | No |
| Use Case | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center | SMB / Enterprise Data Center / Media Server / Virtualization |
| Product Name | Q8D42A Enterprise Storage Array | Q8D09A Storage System | Q8D26A Storage System | Q8D67A Storage System | Q8B78A Enterprise Storage Array |
| Height | 3.5 inches | 3 inches | 4 inches | 3.5 inches | 3.5 inches |
| Width | 17.5 inches | 17 inches | 17 inches | 17.5 inches | 17.5 inches |
| Depth | 25 inches | 28 inches | 25 inches | 27 inches | 25.0 inches |
| Weight | 45 lbs | 50 lbs | 35 lbs | 32 lbs | 45 lbs |
Reviews & Ratings
M
Michael Turner
5
Reliable spare kit that helped us recover quickly from a controller issue.
D
Daniel Wright
5
All components fit perfectly and system stability returned immediately.
T
Thomas Caldwell
4
Good enterprise-grade quality and predictable behavior after installation.
R
Ryan Mitchell
4
Worked exactly as expected in a production environment.
Questions & Answers
What is the Q8D42A NS CS240-X4 Controller/PS/HDD/SSD Spare Kit?
The Q8D42A NS CS240-X4 Spare Kit is a service replacement bundle containing controller modules, power supplies, HDD/SSD drive carriers and related components for the HPE Nimble Storage CS240-X4 shelf.
Which components are included in the Q8D42A kit?
The kit includes two CS240-X4 controller modules, two redundant power supply units, four drive carriers for HDD/SSD installation, associated cables, air shrouds and mounting hardware.
Is the Q8D42A kit compatible with my HPE Nimble Storage CS240-X4 array?
Yes. The Q8D42A spare kit is specifically designed for HPE Nimble Storage CS240-X4 arrays and is not compatible with other models.
How do I install the Q8D42A controller modules?
Power off the array, remove the existing controllers, slide in the Q8D42A replacement modules until they click, reconnect cables, and power on. Follow HPE’s service instructions for firmware validation.
Can I replace drives using the Q8D42A HDD/SSD carriers?
Yes. The kit’s drive carriers support hot-swappable 2.5-inch HDDs or SSDs. Slide the carrier into an empty or failed bay, secure the latch, and the array will automatically rebuild data.
What warranty applies to the Q8D42A spare kit?
The Q8D42A kit carries HPE’s standard warranty terms, including parts replacement for one year from the purchase date. Extended warranty options are available via HPE support.
How do I order the Q8D42A NS CS240-X4 Spare Kit?
Contact your authorized HPE reseller or log into the HPE Parts Store, enter SKU Q8D42A, verify availability, and submit your purchase order.
What is the RMA process for defective Q8D42A components?
Open a ticket with HPE Support, provide the array serial number and part SKU, obtain an RMA number, ship the defective components to HPE, and receive replacements under warranty.
Do I need firmware updates after installing Q8D42A parts?
Check and update to the latest HPE NimbleOS version after component replacement. Firmware alignment ensures optimal performance and compatibility with your CS240-X4 array.
Are cables and mounting hardware included in the Q8D42A kit?
Yes. The kit ships with all necessary SAS interconnect cables, mounting brackets and screws required for seamless installation into your CS240-X4 chassis.
What power specifications apply to the Q8D42A power supplies?
Each PS unit operates at 100–240 VAC, 50/60 Hz, delivers up to 800 W of redundant power, and meets worldwide regulatory standards for voltage and frequency.
Can I mix old and new controllers during installation?
No. For redundancy and firmware compatibility, install both new Q8D42A controllers simultaneously. Mixing generations may cause performance degradation or system instability.
How do I verify successful installation of Q8D42A components?
Log into the NimbleOS GUI or CLI, check the Hardware Status page for green status indicators, confirm serial numbers match your replacement parts, and validate drive rebuilds.
What environmental conditions are required for Q8D42A operation?
Operate between 10°C and 35°C (50°F–95°F) with 8–90% noncondensing humidity. Maintain adequate airflow and stable power to ensure long-term reliability.
Is technical support included with the Q8D42A spare kit?
Yes. HPE provides global technical support via phone and online portals. Premium support contracts offer 24×7 coverage, fast RMA turnaround and dedicated service engineers.
Can I upgrade existing CS240-X4 drives using this kit?
The Q8D42A kit provides empty carriers only. To upgrade drives, purchase compatible HPE Nimble Storage HDDs or SSDs separately, then install them in the provided carriers.