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HPE NS CS440G-X2 Cntlr/PS/HDD/SSD Kit
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Q8D55A
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- HPE NS CS440G-X2 Cntlr/PS/HDD/SSD Kit
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Q8D55A Overview
Q8D55A is an enterprise NAS storage system designed with an 8‐bay configuration that supports a mixed array of drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD. It features a total storage capacity of up to 256 TB with advanced RAID support (RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10), powered by an Intel Xeon processor with 8 cores and 16 GB of pre-installed DDR4 memory, upgradeable to 32 GB. Its interfaces include USB 3.0 and Ethernet with 1GbE network ports supported by dual LAN ports, ensuring robust connectivity.
Q8D55A further provides expansion support along with a redundant power supply rated at 350W and redundant fan cooling to maintain optimal operation in demanding environments. Built for critical workloads, the system is ideally suited for use cases that include SMB backup, enterprise data center storage, virtualization, and media server applications.
Q8D55A price is is available on request. Get immediate quote.
Request bulk order quote for Q8D55A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
Q8D55A 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
- 256 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
- 32 GB
- RAM Type
- DDR4
- Network Ports
- 1GbE
- LAN Ports
- 2
- USB Ports
- USB 3.0
- Expansion Support
- Yes
- Cooling
- Redundant Fan
- Power Supply
- Redundant
- Power Supply Wattage
- 350W
- 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
- Q8D55A Enterprise NAS Storage System
- Height
- 3 inches
- Width
- 17 inches
- Depth
- 25 inches
- Weight
- 35 lbs
Q8D55A Use Case
Zero-Downtime Controller Upgrade for 24/7 Financial Trading Platforms
In a global trading firm running continuous market data analysis and algorithmic trading on HPE Nimble Storage, the Q8D55A-HPE NS CS440G-X2 Controller/PS/HDD/SSD Kit enables a seamless in-place controller upgrade. By swapping legacy controllers and adding high-performance SSDs, IT teams achieve uninterrupted operations, maintain sub-millisecond latency for live trading, and deliver 99.999% uptime. Outcome: accelerated transaction processing with zero service interruptions and a 30% improvement in IOPS throughput.
High-Performance Scale-Out Storage for Healthcare AI/ML Research
A university medical research center leverages the Q8D55A-HPE NS CS440G-X2 Kit to expand its HPE Nimble Storage array, integrating additional NVMe SSDs and redundant power supplies. This configuration accelerates deep learning model training on large imaging datasets, reducing data ingest times by 50% and enabling real-time analytics. Benefit: faster time-to-insight for diagnostic imaging projects and improved researcher productivity.
Enterprise SaaS Multi-Tenant Infrastructure with 99.999% SLA Compliance
A leading SaaS provider deploys the Q8D55A-HPE NS CS440G-X2 Kit to scale its multi-tenant storage infrastructure across distributed data centers. The kit’s controller upgrade and balanced HDD/SSD tiering deliver dynamic performance allocation, supporting mixed workloads from small business databases to large file repositories. Outcome: ensured SLA compliance with 99.999% availability, simplified capacity management, and a 20% reduction in total cost of ownership.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q8D55A |  Q8D26A |  Q8D30A |  Q8F88A |  Q8B63A | |
|---|---|---|---|---|---|
| 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 | 8-bay | 8-bay | 8-bay | 8-bay | 12-bay |
| Supported Drive Types | 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 | 256 TB | 256 TB | 512 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 / JBOD | 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 | 6 |
| Installed RAM | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 32 GB | 64 GB | 64 GB | 128 GB | 64 GB |
| RAM Type | DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 1GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 4 | 4 | 4 | 4 |
| USB Ports | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.1 | 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 | 350W | 500W | 350W | 500W | 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 | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center |
| Product Name | Q8D55A Enterprise NAS Storage System | Q8D26A Storage System | Q8D30A Enterprise Storage System | Q8F88A Enterprise NAS | Q8B63A Storage Server |
| Height | 3 inches | 4 inches | 4 inches | 3 inches | 3 inches |
| Width | 17 inches | 17 inches | 17 inches | 17 inches | 17 inches |
| Depth | 25 inches | 25 inches | 18 inches | 28 inches | 28 inches |
| Weight | 35 lbs | 35 lbs | 35 lbs | 35 lbs | 35 lbs |
Reviews & Ratings
K
Komal Riaz
4
No configuration changes required.
S
Stefan Kruse
5
Reliable spare solution.
S
Shahzaib Tariq
4
Minimized operational impact.
N
Neil Armstrong
4
Good redundancy component.
Questions & Answers
What is the HPE NS CS440G-X2 Controller/PS/HDD/SSD Kit (SKU Q8D55A)?
The HPE NS CS440G-X2 Kit (Q8D55A) is a preconfigured storage bundle for HPE Nimble Storage CS440G arrays, including dual controllers, power supplies, HDDs, and SSDs to deliver balanced performance and capacity for mid-range workloads.
What components are included in SKU Q8D55A?
SKU Q8D55A includes two CS440G controllers, dual redundant power supply units, four 1.2TB SAS SSDs, twelve 4TB 7.2K RPM HDDs, sleds, cables, mounting rails, and licensing for HPE InfoSight predictive analytics.
What performance can I expect from the CS440G-X2 Kit?
The CS440G-X2 delivers up to 1.1 million IOPS, 12 GB/s throughput, and sub-millisecond latency under mixed workloads, making it ideal for virtualization, databases, and VDI environments.
Is the CS440G-X2 compatible with standard 19-inch racks?
Yes, the CS440G-X2 Kit is designed for 2U 19-inch rack installation and includes rail kits for tool-less mounting in standard data center environments.