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Q8E91A
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- HPE NS CS 300GB Spare SSD
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3 Year Extended Warranty
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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
Q8E91A Overview
Q8E91A is a high-performance SAN storage system engineered for enterprise data centers and SMB backup needs. It features 24 drive bays that support a mixed configuration of SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drive types, delivering a total storage capacity of 512 TB with RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 options for robust data protection in virtualization and media server environments.
Q8E91A is powered by an Intel Xeon processor with 8 cores and comes pre-installed with 16 GB of ECC DDR4 memory, expandable up to 128 GB. It includes multiple interfaces such as USB 3.1, Ethernet 10GbE, and Fibre Channel network support, with expansion support for increased scalability. The system is equipped with redundant power supplies rated at 500W and active cooling to ensure continuous operation and reliability for enterprise data centers.
What is the price of Q8E91A?
Pricing for Q8E91A is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for Q8E91A.
Explore more options from Storage or explore other Hpe products.
Q8E91A Specifications
| Product Type | Storage System |
| Storage Type | SAN |
| Form Factor | Rackmount |
| Bay Count | 24-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 |
| CPU Type | Intel Xeon |
| CPU Cores | 8 |
| Installed RAM | 16 GB |
| Max RAM Capacity | 128 GB |
| RAM Type | ECC DDR4 |
| Network Ports | 10GbE |
| LAN Ports | 4 |
| USB Ports | USB 3.1 |
| 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 | Q8E91A Enterprise SAN Storage |
| Height | 3.5 inches |
| Width | 17.3 inches |
| Depth | 27.5 inches |
| Weight | 45 lbs |
Q8E91A Use Case
Mission-Critical Database High Availability with Hot-Swap Spare SSD
In a financial services firm running 24/7 transaction processing on HPE ProLiant DL380 Gen10 servers, the Q8E91A-HPE NS CS 300GB Spare SSD is provisioned as a hot spare in RAID-10 arrays. Upon a primary drive failure, the system automatically auto-rebuilds onto the spare in under five minutes, ensuring continuous operations with 99.99% uptime and safeguarding revenue-critical workloads.
Seamless VDI Performance Continuity in VMware Clusters
In a large-scale VMware Horizon VDI deployment on HPE NS CS clusters, the Q8E91A-HPE NS CS 300GB Spare SSD serves as an on-demand replacement during peak login storms. When an active SSD degrades under heavy concurrency, the hot spare engages instantly to maintain linear IOPS scaling, reducing login latency by 20% and upholding SLA compliance for over 1,000 virtual desktops.
Resilient AI/ML I/O Acceleration in HPC Environments
In an AI research lab leveraging HPE Apollo servers for deep learning, the Q8E91A-HPE NS CS 300GB Spare SSD is configured as a failover scratch disk. During intensive TensorFlow data-loading bursts, any degraded SSD is replaced in real time by the spare, sustaining 1.5 GB/s I/O throughput, accelerating model training convergence by 30%, and preventing workflow interruptions.
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 | 12-bay | 8-bay | 24-bay |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Active | Redundant Fan | Active |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| Depth | 15 inches | 27.5 inches | 28 inches | 20 inches | 27.5 inches |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Form Factor | Desktop | Rackmount | Rackmount | Rackmount | Rackmount |
| Height | 3.5 inches | 3 inches | 3 inches | 4.5 inches | 3.5 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Installed RAM | 16 GB | 16 GB | 16 GB | 8 GB | 16 GB |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 4 | 4 | 2 | 4 | 4 |
| Max RAM Capacity | 64 GB | 128 GB | 64 GB | 64 GB | 128 GB |
| Max Supported Capacity | 512 TB | 1 PB | 256 TB | 512 TB | 512 TB |
| 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 | 500W | 750W | 350W | 350W | 500W |
| Product Name | Q8D59A UltraNAS Pro | Q8B68A Enterprise Storage Array | Q8D76A Enterprise SAN Storage | Q8F15A Enterprise SAN Storage System | Q8E91A Enterprise SAN Storage |
| 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 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Storage Type | NAS | SAN | SAN | SAN | SAN |
| Supported Drive Types | Mixed | Mixed | Mixed | Mixed | Mixed |
| Surveillance Support | Yes | No | Yes | No | No |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.0 | USB 3.2 | USB 3.1 |
| Use Case | Enterprise Data Center | SMB, Enterprise Data Center, Virtualization, Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 30 lbs | 45 lbs | 35 lbs | 25 lbs | 45 lbs |
| Width | 17 inches | 17.5 inches | 17 inches | 17.3 inches | 17.3 inches |
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Questions & Answers
Q
What is the HPE NS CS 300GB Spare SSD (SKU: Q8E91A)?
A
The HPE NS CS 300GB Spare SSD (Q8E91A) is a factory-qualified solid-state drive designed as a drop-in replacement for HPE store servers, offering 300 GB of high-performance flash storage.
Q
Which HPE servers support the NS CS 300GB Spare SSD?
A
The HPE NS CS 300GB Spare SSD is compatible with HPE ProLiant Gen9 and Gen10 store and scale-out servers that accept 2.5-inch SAS SSD modules.
Q
What interface does the HPE NS CS 300GB Spare SSD use?
A
The HPE NS CS 300GB Spare SSD uses a 12 Gb/s SAS interface to deliver low latency and high throughput in enterprise storage environments.
Q
Is the HPE NS CS 300GB Spare SSD hot-swappable?
A
Yes, the HPE NS CS 300GB Spare SSD is fully hot-swappable, allowing you to replace failed drives without powering down the server or disrupting operations.
Q
What form factor does the HPE NS CS 300GB Spare SSD have?
A
This spare SSD is housed in a standard 2.5-inch, cabled or drive-carrier form factor, fitting seamlessly into HPE ProLiant drive bays.
Q
What performance can I expect from the HPE NS CS 300GB Spare SSD?
A
The HPE NS CS 300GB Spare SSD delivers up to 250 MB/s sequential read and 200 MB/s sequential write performance, plus high IOPS for mixed workloads.
Q
What is the endurance rating of the HPE NS CS 300GB Spare SSD?
A
This drive is rated for up to 1 DWPD (Drive Writes Per Day) over a five-year mission-critical workload, ensuring reliable write endurance.
Q
Does the HPE NS CS 300GB Spare SSD support power-loss data protection?
A
Yes, it features on-board power-loss protection capacitors to safeguard in-flight data and maintain drive integrity during unexpected outages.
Q
What warranty is provided with the HPE NS CS 300GB Spare SSD?
A
HPE backs this spare SSD with a three-year limited warranty and worldwide support through HPE’s global service network.
Q
How do I install the HPE NS CS 300GB Spare SSD?
A
To install, power off if not hot-swapping, slide the SSD into an available 2.5″ drive bay, secure the carrier latch, and power on; the system will recognize it automatically.
Q
Can I use the HPE NS CS 300GB Spare SSD as a boot device?
A
Yes, you can configure the HPE NS CS 300GB Spare SSD as a boot or data drive in HPE BIOS or UEFI settings for rapid system startup.
Q
Is the HPE NS CS 300GB Spare SSD backward compatible?
A
This spare SSD is backward compatible with HPE servers that support 12 Gb/s SAS SSDs and maintain hot-swap drive bay standards.
Q
How do I replace a failed SSD with the HPE NS CS 300GB Spare SSD?
A
Identify the failed bay via HPE management tools, hot-swap the failed module with the spare SSD, and allow the RAID controller to rebuild automatically.
Q
What is the part number and SKU for ordering?
A
Order the HPE NS CS 300GB Spare SSD under HPE Part Number Q8E91A and SKU Q8E91A to ensure correct factory compatibility.
Q
What operating conditions are required for the HPE NS CS 300GB Spare SSD?
A
Operating temperature: 5 °C to 55 °C; humidity: 10%–90% non-condensing; altitude: –16 m to 3,048 m, ensuring reliability in standard data-center environments.
Q
What use cases are ideal for the HPE NS CS 300GB Spare SSD?
A
Ideal for high-performance databases, virtualization hosts, and cache-accelerated workloads requiring low latency and consistent IOPS.
