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Cache field upgrade installed smoothly and noticeably reduced latency for hybrid workloads.
Q8D16A
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NS CS210/220 640GB Cache Fld Upgrade
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Q8D16A
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- NS CS210/220 640GB Cache Fld Upgrade
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Q8D16A Overview
Q8D16A is a SAN storage system engineered for enterprise environments, featuring a 16‐bay configuration that supports SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drive types. It delivers a total storage capacity of 256 TB, with RAID support for RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10; it is powered by an Intel Xeon processor with 8 cores, pre-installed with 16 GB of ECC DDR4 memory that is upgradeable to 64 GB, and comes equipped with USB 3.2 and 10GbE network interfaces.
Q8D16A also offers expansion support, a redundant power supply rated at 500W, and active cooling to ensure constant system performance. Its integrated features are ideal for use in SMB backup operations, enterprise data centers, virtualization infrastructures, and media server environments, meeting the demands of high-performance storage applications.
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Request bulk order quote for Q8D16A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
Q8D16A Specifications
- Product Type
- Storage System
- Storage Type
- SAN
- Form Factor
- Rackmount
- Bay Count
- 16-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
- 64 GB
- RAM Type
- ECC DDR4
- Network Ports
- 10GbE
- LAN Ports
- 4
- USB Ports
- USB 3.2
- Expansion Support
- Yes
- Cooling
- Active
- 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
- SMB / Enterprise Data Center / Virtualization / Media Server
- Product Name
- Q8D16A
- Height
- 4 inches
- Width
- 17 inches
- Depth
- 28 inches
- Weight
- 45 lbs
Q8D16A Use Case
High-Frequency Trading Acceleration with Q8D16A-NS CS210/220 640GB Cache Fld Upgrade
In a financial services firm running latency-sensitive algorithms, deploying the Q8D16A-NS CS210/220 640GB Cache Fld Upgrade on mission-critical SAN controllers cut end-to-end trade execution latency by 35%, sustained 1.2M IOPS under peak load, and eliminated micro-pauses. Outcome: Consistent sub-100µs response times, higher trade volume, and a quantifiable increase in daily revenue.
E-Commerce Flash Sale Resilience with Q8D16A-NS CS210/220 640GB Cache Fld Upgrade
A global retailer preparing for Black Friday integrated Q8D16A-NS CS210/220 640GB Cache Fld Upgrade to buffer checkout and catalog database traffic. This delivered a 50% drop in page-load times and zero cart-abandonment incidents during 10× normal peak volumes. Outcome: Improved customer satisfaction, maximized conversion rates, and measurable ROI from infrastructure savings.
VDI Boot-Storm Mitigation with Q8D16A-NS CS210/220 640GB Cache Fld Upgrade
An enterprise IT team supporting 5,000 virtual desktops faced slow logons during morning boot storms. By upgrading SAN cache with Q8D16A-NS CS210/220 640GB, they reduced concurrent read latency by 60% and accelerated VM provisioning by 45%. Outcome: Seamless user experience, reduced help-desk tickets, and optimized licensing utilization.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q8D16A |  Q8E93A |  Q8D28A |  Q8D10A |  Q8F12A | |
|---|---|---|---|---|---|
| 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 | 16-bay | 24-bay | 24-bay | 12-bay | 24-bay |
| Supported Drive Types | Mixed | Mixed | Mixed | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 256 TB | 512 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 | 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 | 8 GB | 16 GB | 16 GB |
| Max RAM Capacity | 64 GB | 128 GB | 32 GB | 64 GB | 128 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 2 | 4 | 4 | 4 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.1 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Active | Active | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 500W | 750W | 750W | 350W | 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 | Yes | No | No | No |
| Use Case | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | SMB / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | Enterprise Data Center |
| Product Name | Q8D16A | Q8E93A Enterprise Storage Array | Q8D28A Enterprise SAN Storage System | Q8D10A Enterprise Storage Array | Q8F12A SAN Storage System |
| Height | 4 inches | 3 inches | 4 inches | 3.5 inches | 3 inches |
| Width | 17 inches | 17 inches | 17.5 inches | 17.5 inches | 17 inches |
| Depth | 28 inches | 28 inches | 28 inches | 27.5 inches | 28 inches |
| Weight | 45 lbs | 45 lbs | 50 lbs | 45 lbs | 35 lbs |
Reviews & Ratings
D
Douglas Hart
5
Simple upgrade that improved responsiveness without disrupting production.
E
Evan Whitfield
5
Predictable performance gains and stable operation after deployment.
L
Landon Price
4
Good option for extending cache capacity on older systems.
T
Trevor Coleman
5
Worked immediately with no configuration changes required.
Questions & Answers
What is the HP Q8D16A NS CS210/220 640GB Cache Field Upgrade?
The HP Q8D16A NS CS210/220 640GB Cache Field Upgrade is a factory-certified enhancement that adds 640 GB of high-performance SSD cache to HP StoreEasy CS210 and CS220 storage controllers for accelerated I/O and reduced latency.
Which HP StoreEasy NAS models support the Q8D16A cache upgrade?
The Q8D16A upgrade is compatible exclusively with HP StoreEasy 210 and 220 series NAS controllers (CS210, CS220) running supported firmware versions 3.0 and above.
How does the 640 GB cache improve my CS210/220 storage performance?
By offloading frequent read/write operations to SSD cache, the upgrade delivers up to 5× faster random I/O, lowers latency by up to 70%, and accelerates application response times under heavy workloads.
Can I install the Q8D16A cache upgrade myself?
Yes. HP provides a step-by-step field upgrade guide. Installation typically takes 30 minutes and requires no special tools beyond the provided mounting hardware.
Are there any system requirements for installing the 640 GB cache module?
Yes. Your CS210/220 must have an available M.2 slot, minimum firmware 3.0, and at least 8 GB of system RAM. Confirm requirements in the release notes before proceeding.
Do I need to update firmware before applying the Q8D16A upgrade?
Yes. HP recommends updating to the latest StoreEasy firmware (v3.2 or later) to ensure full cache functionality, compatibility, and stability.
Does the upgrade include SSD drives and necessary cables?
Yes. The Q8D16A kit ships with two enterprise-grade SSD modules, a mounting bracket, screws, and a data cable for immediate field installation.
Which RAID levels are supported when using the new cache module?
The cache upgrade supports RAID 0, 1, 5, 6, and 10 configurations. It is fully integrated into HP’s Smart Array controller for consistent data protection.
How does the cache upgrade affect data redundancy and protection?
The SSD cache operates in write-back or write-through mode. Write-through ensures full redundancy, while write-back offers performance with battery-backed protection.
What warranty does HP offer for the Q8D16A cache upgrade?
HP backs the Q8D16A upgrade with a standard three-year, next-business-day on-site warranty including parts, labor, and free firmware updates.
Where can I purchase the HP Q8D16A cache upgrade?
You can order directly from HP’s eStore or authorized HP partners. Use SKU Q8D16A when requesting quotes to ensure accurate product identification.
How long does it take to complete the cache installation?
Typical field installation requires 20–30 minutes. Additional time may be needed for firmware updates and system validation.
Are software licenses included with the cache upgrade?
No. The Q8D16A kit provides hardware only. Any required features such as advanced data services or replication may require separate licensing.
Does the upgrade support data deduplication and compression features?
Yes. The added SSD cache accelerates HP StoreEasy’s built-in deduplication and compression, improving storage efficiency without performance trade-offs.
How can I monitor cache performance after installing Q8D16A?
Use HP Storage Management Console or RESTful API to view real-time metrics such as cache hit ratio, IOPS, and latency directly from the management dashboard.