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Q8D19A
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- NS CS 640GB Cache Fld Upgrade
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3 Year Extended Warranty
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Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
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For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
Q8D19A Overview
Q8D19A is a SAN storage system featuring an 8-bay configuration that supports a mixed array of drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD, with a total storage capacity of 512 TB. It is powered by an Intel Xeon processor with 8 cores, comes with 16 GB of pre-installed ECC DDR4 RAM that can scale up to 64 GB, and offers diverse connectivity via USB 3.2, Thunderbolt, Ethernet, and Fibre Channel interfaces along with robust network support including 10GbE and 4 LAN ports.
Q8D19A supports advanced RAID levels including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50, and RAID 60, and is designed with redundant power supplies rated at 350W and a redundant fan cooling system for high-reliability operations. Ideal for SMB backup, enterprise data centers, virtualization, and media server deployments, this storage system also offers expansion support for increased scalability in demanding environments.
What is the price of Q8D19A?
Pricing for Q8D19A is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for Q8D19A.
Explore more options from Storage or explore other Hpe products.
Q8D19A 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 | 512 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 |
| 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 | 350W |
| 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 | Q8D19A Enterprise Storage Array |
| Height | 3 inches |
| Width | 17 inches |
| Depth | 28 inches |
| Weight | 45 lbs |
Q8D19A Use Case
Real-Time Database Acceleration for Financial Trading Platforms
A global investment bank running high-frequency trading applications integrates the Q8D19A-NS CS 640GB Cache Fld Upgrade into its SAN to absorb write bursts and serve critical queries in microseconds. By offloading hot blocks to 640 GB of NVMe flash cache, the platform reduces end-to-end latency by up to 70%, ensures sub-millisecond trade execution, and maintains compliance with SLAs for market-making operations.
High-Density VDI Performance Enhancement in Enterprise Data Centers
A Fortune 500 company supporting 5,000+ virtual desktops deploys the Q8D19A-NS CS 640GB Cache Fld Upgrade on its HP ProLiant storage arrays to eliminate boot storms and login delays. The integrated flash cache accelerates IOPS-intensive peaks, delivering 3× faster desktop provisioning, boosting end-user productivity by 40%, and lowering overall TCO through deferred spindle expansion.
Big Data Analytics and Data Warehousing Throughput Optimization
An online retailer processes petabytes of customer clickstream and sales metrics with a Hadoop-based data warehouse. Integrating the Q8D19A-NS CS 640GB Cache Fld Upgrade as a front-end cache tier boosts sustained throughput by 2.5× for ETL jobs, truncates nightly analytics windows by 60%, and accelerates insights into purchasing trends—driving faster pricing decisions and targeted marketing campaigns.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Bay Count | 8-bay | 12-bay | 8-bay | 24-bay | 24-bay |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| Depth | 28 inches | 28 inches | 25 inches | 28 inches | 28.0 inches |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Height | 3 inches | 3 inches | 3 inches | 4 inches | 3.5 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Installed RAM | 16 GB | 8 GB | 16 GB | 16 GB | 16 GB |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 4 | 2 | 4 | 2 | 4 |
| Max RAM Capacity | 64 GB | 128 GB | 128 GB | 64 GB | 128 GB |
| Max Supported Capacity | 512 TB | 256 TB | 512 TB | 1 PB | 1 PB |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | Custom OS | Custom OS | Custom OS | Custom OS | Custom OS |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 350W | 500W | 500W | 750W |
| Product Name | Q8D19A Enterprise Storage Array | Q8F70A Enterprise NAS Storage System | Q8B65A Enterprise Storage System | Q8D74A Enterprise SAN Storage | Q8D35A Enterprise Storage Array |
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 | 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 |
| RAM Type | ECC DDR4 | DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Storage Type | SAN | NAS | SAN | SAN | SAN |
| Supported Drive Types | Mixed | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed |
| Surveillance Support | No | No | Yes | Yes | No |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 |
| Use Case | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 45 lbs | 35 lbs | 45 lbs | 45 lbs | 45 lbs |
| Width | 17 inches | 17 inches | 17 inches | 17 inches | 17.5 inches |
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Questions & Answers
Q
What is the NS CS 640GB Cache Field Upgrade (SKU Q8D19A)?
A
The NS CS 640GB Cache Field Upgrade (SKU Q8D19A) is a factory-tested flash cache expansion kit that adds 640 GB of high-performance cache to supported Nimble Storage CS Series arrays.
Q
How does the NS CS 640GB Cache Field Upgrade improve storage performance?
A
By adding 640 GB of low-latency flash cache, the upgrade accelerates read operations, reduces I/O latency and increases overall IOPS, delivering faster application response times.
Q
Which Nimble Storage CS Series models are compatible with the Q8D19A upgrade?
A
The Q8D19A upgrade is compatible with Nimble Storage CS200, CS300, CS500 and CS700 Series arrays running NimbleOS 5.0 or later.
Q
Is professional installation required for the NS CS 640GB Cache upgrade?
A
No, the upgrade is designed for field installation by an experienced storage administrator following the provided instructions and requires no specialized tools.
Q
Will installing the 640GB cache upgrade cause downtime?
A
No system downtime is required. The cache modules can be installed online with no impact to data access or array availability.
Q
Does the Q8D19A field upgrade include all necessary hardware and cables?
A
Yes, the kit ships with two 320 GB flash modules, mounting brackets and all required interconnect cables for a seamless installation.
Q
Does the 640GB cache upgrade require additional software or firmware updates?
A
Ensure your array runs NimbleOS 5.0 or later. No additional software is needed; the system auto-detects and integrates the new cache upon reboot.
Q
What warranty coverage is provided with the NS CS 640GB Cache upgrade?
A
The upgrade is covered under the original array’s three-year hardware warranty and supported by Nimble Storage global hardware support.
Q
How can I verify that my array recognizes the new 640GB cache?
A
After installation, log into the NimbleOS GUI or CLI and navigate to System > Cache. The total cache capacity should reflect the additional 640 GB.
Q
Can I return or exchange the Q8D19A upgrade if it doesn't meet my needs?
A
Yes, the Q8D19A part is eligible for return or exchange within 30 days of delivery, subject to Nimble Storage’s standard RMA policy.
Q
What is the power consumption impact of the additional 640GB cache?
A
The two flash modules add approximately 8 W of power draw to the array, with negligible impact on overall power and cooling requirements.
Q
How does the cache field upgrade affect overall system reliability?
A
The flash modules use enterprise-grade NAND and undergo rigorous qualification, maintaining array reliability with an MTBF exceeding 1.5 million hours.
Q
Where can I purchase the Q8D19A NS CS 640GB Cache Field Upgrade?
A
You can purchase the upgrade through any authorized Nimble Storage reseller or directly via the HPE online store using SKU Q8D19A.
Q
What are the supported operating environments for the 640GB cache modules?
A
The modules are rated for 10°–40 °C operating temperature, 10–90% non-condensing relative humidity and standard data-center air filtration.
Q
Does the NS CS 640GB cache upgrade support data deduplication and compression?
A
Yes, the additional cache seamlessly integrates with NimbleOS inline deduplication and compression features, maximizing effective cache utilization.
Q
Can I install a mix of legacy and new cache modules in the same array?
A
No, all cache modules in a single array must be identical. Mixing module capacities or firmware revisions is not supported.
