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Cache upgrade delivered noticeable latency reductions.
Q8D01A
HPE NS CS/SF Hybrid 11.5TB Cache Upgrade
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Q8D01A
HPE NS CS/SF Hybrid 11.5TB Cache Upgrade
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Overview of "Q8D01A" – Q8D01A is an enterprise-grade SAN storage system featuring 8 drive bays that support mixed drive types, including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD, delivering a total storage capacity of 512 TB. It offers robust RAID protection with RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 configurations, powered by an Intel Xeon processor with 8 cores and 16 GB of pre-installed memory that can be expanded up to 64 GB.
Q8D01A also provides versatile connectivity with interfaces such as USB 3.2, 10GbE Ethernet and Fibre Channel, along with built-in expansion support for future upgrades. With redundant fan cooling and a dual-redundant 750W power supply ensuring continuous operation, this storage system is ideally suited for SMB backups, enterprise data centers, virtualization environments, and media server applications.
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In global banking environments running quantitative risk models and fraud detection pipelines, the Q8D01A-HPE NS CS/SF Hybrid 11.5 TB Cache Upgrade delivers sub-millisecond read/write latency and 1.2 million IOPS. By caching hot market and transaction data on the upgraded flash tier, financial institutions achieve instant query response, accelerate model recalibration, and reduce risk-exposure windows by up to 60 %, ensuring regulatory compliance and competitive advantage.
When scaling Virtual Desktop Infrastructure (VDI) deployments for thousands of remote and onsite users, the 11.5 TB cache upgrade transforms boot-storm and login-storm performance. Integrated into HPE Nimble Storage CS/SF Hybrid arrays, it delivers consistent sub-1 ms latency on user profiles and OS images, reducing desktop boot times by 70 % and improving end-user productivity. IT teams can onboard new locations rapidly, simplify patch cycles, and uphold service-level agreements without costly overprovisioning.
For online retailers handling flash-sale events and high-concurrency checkouts, the Q8D01A cache upgrade accelerates database commit and inventory lookup operations. By offloading transaction logs and index reads to the 11.5 TB high-performance cache, e-commerce platforms achieve a 3× increase in peak-load throughput, cut cart-abandonment rates by 25 %, and ensure seamless customer experience under sudden traffic surges—all within an existing HPE Nimble hybrid storage footprint.
To get the detailed certification, please go to the Compliance Center.
 Q8D01A |  Q8D78A |  Q8D18A |  Q8D35A |  Q8C96A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | NAS | NAS | SAN | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 8-bay | 8-bay | 24-bay | 12-bay |
| Supported Drive Types | Mixed | Mixed | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 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 / JBOD | 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 | 8 GB | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 64 GB | 32 GB | 64 GB | 128 GB | 128 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE / Fibre Channel |
| LAN Ports | 4 | 4 | 2 | 4 | 2 |
| USB Ports | USB 3.2 | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 750W | 350W | 500W | 750W | 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 | No | No | No | No | Yes |
| Use Case | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center | SMB / Enterprise Data Center / Media Server / Virtualization |
| Product Name | Q8D01A Enterprise Storage Array | Q8D78A Storage System | Q8D18A Storage Array | Q8D35A Enterprise Storage Array | Q8C96A Enterprise Storage System |
| Height | 4 inches | 3 inches | 3.4 inches | 3.5 inches | 3.5 inches |
| Width | 17 inches | 17 inches | 17.5 inches | 17.5 inches | 17.3 inches |
| Depth | 28 inches | 28 inches | 28.0 inches | 28.0 inches | 25.0 inches |
| Weight | 45 lbs | 45 lbs | 45 lbs | 45 lbs | 35 lbs |
Cache upgrade delivered noticeable latency reductions.
Straightforward installation process.
Consistent improvements observed post upgrade.
Good fit for hybrid arrays.
Worked as expected.
The HPE NS CS/SF Hybrid 11.5TB Cache Upgrade (SKU Q8D01A) is a factory-certified cache expansion kit that adds 11.5 TB of SSD-based cache to compatible HPE storage arrays for accelerated I/O performance.
The 11.5 TB cache upgrade is fully compatible with HPE Nimble Storage CS Series, HPE 3PAR StoreServ 8000, and HPE StoreVirtual 3200 arrays running supported firmware releases.
By adding 11.5 TB of high-endurance SSD cache, customers can expect up to 2× higher random I/O throughput, sub-millisecond latency, and reduced backend disk activity for mixed workloads.
No downtime is required. The upgrade’s hot-pluggable SSD modules install while the array is online and automatically integrate into the existing cache pool.