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Cache bundle improved IO stability significantly.
Q8B66A
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HPE NS CS/SF Hybrid 11.5TB Cache Bundle
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Q8B66A
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- HPE NS CS/SF Hybrid 11.5TB Cache Bundle
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Q8B66A Overview
Q8B66A is a NAS storage system engineered with 8 drive bays and supports SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drive types, offering a total storage capacity of up to 128 TB with RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 configurations. It is powered by an Intel Xeon processor with 8 cores, pre-installed with 16 GB of memory and upgradeable to 128 GB, featuring interfaces such as USB 3.2 and 10GbE Ethernet alongside network support via multiple LAN ports.
Q8B66A integrates expansion capabilities, active cooling, and a redundant power supply rated at 350W to ensure high reliability in demanding environments. Optimized for SMB backup, enterprise data centers, virtualization, and media server applications, this system delivers consistent performance for critical storage needs.
Q8B66A price is is available on request. Get immediate quote.
Request bulk order quote for Q8B66A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
Q8B66A Specifications
- Product Type
- Storage System
- Storage Type
- NAS
- Form Factor
- Rackmount
- Bay Count
- 8-bay
- Supported Drive Types
- SATA HDD / SAS HDD / SATA SSD / NVMe SSD
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 128 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
- 128 GB
- RAM Type
- DDR4
- Network Ports
- 10GbE
- LAN Ports
- 4
- USB Ports
- USB 3.2
- Expansion Support
- Yes
- Cooling
- Active
- 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
- Yes
- Use Case
- Enterprise Data Center
- Product Name
- Q8B66A Enterprise NAS Storage System
- Height
- 3.5 inches
- Width
- 17.5 inches
- Depth
- 28 inches
- Weight
- 25 lbs
Q8B66A Use Case
Real-Time Transactional Database Acceleration
Financial services firms deploy the Q8B66A-HPE NS CS/SF Hybrid 11.5TB Cache Bundle to offload I/O bottlenecks in high-frequency trading and online payment platforms. By leveraging 11.5 TB of ultra-low-latency flash cache combined with predictive write-through algorithms, firms achieve sub-millisecond response times, 5× higher transaction throughput, and continuous data consistency for mission-critical workloads.
Enterprise VDI Performance and Scalability
Global enterprises integrate the HPE NS CS/SF Hybrid 11.5TB Cache Bundle into their converged infrastructure to support tens of thousands of virtual desktops. The hybrid cache layer accelerates boot storms and application launches, delivering consistent sub-millisecond latency and reducing storage IOPS by 70 %. IT teams realize 40 % higher desktop density, simplified lifecycle management, and an elevated end-user experience across remote and office environments.
Accelerated Big Data Analytics and AI Workloads
Data science and AI organizations utilize the Q8B66A cache bundle within HPE Nimble Storage arrays to accelerate large-scale Hadoop, Spark, and ML training clusters. The high-capacity NVMe/flash cache tier delivers up to 4× faster query execution and model training cycles, enabling real-time insights on petabyte-scale datasets. Businesses cut time-to-insight from hours to minutes, improving decision velocity and operational agility.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q8B66A |  Q8B64A |  Q8D33A |  Q8C95A |  Q8D62A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | SAN | SAN | NAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 16-bay | 24-bay | 12-bay | 8-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 128 TB | 512 TB | 512 TB | 1 PB | 512 TB |
| 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 |
| 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 | 128 GB | 64 GB | 64 GB |
| RAM Type | DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR4 |
| Network Ports | 10GbE | 10GbE / Fibre Channel | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 4 | 4 | 2 | 4 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.1 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Active | Redundant Fan | Redundant Fan | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 500W | 750W | 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 | Yes | No | No | 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 | Q8B66A Enterprise NAS Storage System | Q8B64A Enterprise SAN Storage | Q8D33A Enterprise SAN Storage System | Q8C95A | Q8D62A Storage Appliance |
| Height | 3.5 inches | 4.5 inches | 3 inches | 1.75 inches | 3.5 inches |
| Width | 17.5 inches | 17.5 inches | 17 inches | 17.5 inches | 17.5 inches |
| Depth | 28 inches | 28.0 inches | 28 inches | 20 inches | 28 inches |
| Weight | 25 lbs | 45 lbs | 50 lbs | 25 lbs | 25 lbs |
Reviews & Ratings
N
Nusrat Ali
4
Easy installation process.
V
Ville Koski
5
Better performance under mixed loads.
K
Kamran Aziz
5
Good cache enhancement.
R
Roger Hill
5
Worth the upgrade.
Questions & Answers
What is the HPE NS CS/SF Hybrid 11.5TB Cache Bundle (SKU Q8B66A)?
The HPE NS CS/SF Hybrid 11.5TB Cache Bundle (Q8B66A) is a factory-configured, high-performance caching solution that combines solid-state and spinning disks to accelerate read/write operations in HPE Nimble Storage arrays.
Which HPE Nimble Storage platforms support the 11.5TB Cache Bundle?
The 11.5TB Cache Bundle is compatible with HPE Nimble Storage CS and SF series arrays running the latest HPE NimbleOS, ensuring seamless integration across hybrid flash and all-flash configurations.
How does the 11.5TB cache improve storage performance?
By placing frequently accessed data in high-speed NAND flash, the 11.5TB cache reduces I/O latency and boosts throughput, delivering up to 10x faster read performance for critical workloads.
What components are included in the Q8B66A Cache Bundle?
The bundle includes 11.5TB of HPE-qualified SSD modules, backplane interconnects, power cables, and firmware, all pre-assembled and tested for plug-and-play deployment.
Is the 11.5TB Cache Bundle compatible with both CS and SF models?
Yes, Q8B66A is designed for universal compatibility with HPE Nimble Storage CS (hybrid) and SF (all-flash) arrays, allowing flexible deployment across different architectures.
How do I install the HPE NS CS/SF Hybrid 11.5TB Cache Bundle?
Installation is performed via HPE InfoSight-guided steps: power down the array, insert the pre-configured drive modules into the cache slots, power up, and run the automated validation script in NimbleOS.
Does the Cache Bundle require a firmware update?
No manual firmware update is required; the bundle ships with NimbleOS-certified firmware that automatically aligns with your array’s operating version during installation.
Can I mix the 11.5TB Cache Bundle with other drive types?
The cache bundle must be installed as a homogeneous set in the designated cache tier; mixing with non-cache drives or different capacities is not supported.
What thermal and power specifications does the cache bundle adhere to?
The Q8B66A bundle conforms to HPE’s standard 0°C–40°C operating range and draws up to 15W per module, ensuring predictable cooling and power requirements.
What redundancy features are provided by the cache bundle?
The bundle leverages dual-controller caching with active-active failover and automatic cache rehydration to maintain performance during hardware maintenance or failures.
How does HPE InfoSight optimize cache performance?
HPE InfoSight uses predictive analytics to identify hot data patterns and dynamically adjust cache allocations, reducing hotspots and maximizing I/O efficiency.
What latency improvements can I expect with 11.5TB cache?
Customers typically see sub-millisecond read latencies and up to 50% lower average latency under mixed workloads, accelerating application responsiveness.
How can I monitor cache usage and health?
Use the NimbleOS dashboard or HPE InfoSight portal to view real-time cache hit rates, utilization metrics, and predictive alerts for proactive maintenance.
What warranty covers the HPE NS CS/SF Hybrid 11.5TB Cache Bundle?
The bundle is covered by HPE’s standard three-year, next-business-day hardware replacement warranty, with optional HPE Foundation Care service upgrades for extended support.
Does HPE offer support for integrating the cache bundle?
Yes, HPE provides full installation, configuration, and troubleshooting support through HPE Pointnext Services and an extensive online knowledge base.
What return on investment (ROI) can I expect?
By reducing application latency, consolidating storage, and lowering operational overhead, customers typically achieve ROI within 6–12 months through improved productivity and reduced infrastructure costs.