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Controller kit restored stability quickly.
Q8D50A
HPE NS CS420-X2 Cntlr/PS/HDD/SSD Kit
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Q8D50A
HPE NS CS420-X2 Cntlr/PS/HDD/SSD Kit
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Q8D50A is an enterprise SAN storage solution featuring 8 drive bays that support SATA HDD, SAS HDD, SATA SSD, and NVMe SSD, with a total storage capacity of 512 TB. It supports RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 and is powered by an Intel Xeon processor with 8 cores, paired with 16 GB of pre-installed DDR4 memory that can be expanded up to 128 GB.
The device offers connectivity via USB 3.2, 10GbE Ethernet, and Fibre Channel interfaces and supports expansion modules for future growth. With a redundant 350W power supply and active cooling design, Q8D50A is optimized for demanding use cases including SMB backup, enterprise data centers, virtualization, and media servers.
Q8D50A price is is available on request. Get immediate quote.
Request bulk order quote for Q8D50A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
Scenario: A global online retailer running SAP HANA–based inventory and dynamic pricing analytics deploys the Q8D50A-HPE NS CS420-X2 Controller/PS/HDD/SSD Kit to upgrade its Nimble Storage CS420-X2 array. By adding dual redundant controllers, NVMe SSD caching and high-capacity HDD tiers, the solution delivers sub-millisecond query latencies on millions of SKU records. Benefit: Enables 24/7 real-time insights, reduces analytics pipeline times by up to 50%, and scales seamlessly during peak shopping events for improved customer experience and increased revenue.
Scenario: A mid-tier investment firm rolls out 600 VMware Horizon virtual desktops for traders and analysts. Integrating the Q8D50A-HPE NS CS420-X2 Kit into its existing CS420-X2 flash array provides redundant controllers, 10 GbE connectivity, mixed SSD/HDD tiers and inline deduplication. The environment sustains >25,000 IOPS per VM with sub-1 ms latency under heavy market data feeds. Benefit: Delivers predictable high performance, 99.999% availability, and compliance-ready logging—ensuring secure, low-latency access for time-sensitive financial applications.
Scenario: A global manufacturer implements a cost-effective hybrid cloud DR solution using HPE Nimble Storage Replication Manager to Azure. The Q8D50A-HPE NS CS420-X2 Kit adds extra HDD capacity for on-premises snapshots and high-speed SSD caching for fast failover. Automated replication policies sync critical MES and ERP datasets to the cloud with RPOs under 15 minutes. Benefit: Achieves sub-30 minute RTO, simplifies DR orchestration, lowers secondary-site costs by 40%, and ensures production continuity under stringent SLA requirements.
To get the detailed certification, please go to the Compliance Center.
 Q8D50A |  Q8C90A |  Q8B82A |  Q8B35A |  Q8D29A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | NAS | NAS | NAS | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 12-bay | 8-bay | 8-bay | 8-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 1 PB | 512 TB | 96 TB | 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 | 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 | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 128 GB | 64 GB | 64 GB | 64 GB | 128 GB |
| RAM Type | DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 4 | 4 | 2 | 4 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Redundant Fan | Redundant Fan | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 750W | 750W | 350W | 500W |
| 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 | Yes | No |
| Use Case | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center | Enterprise Data Center | SMB / Enterprise Data Center / Media Server / Virtualization |
| Product Name | Q8D50A | Q8C90A Enterprise Storage System | Q8B82A Enterprise NAS Storage System | Q8B35A Enterprise Storage System | Q8D29A High Performance SAN Solution |
| Height | 3 inches | 3.5 inches | 3.5 inches | 4 inches | 3.5 inches |
| Width | 17 inches | 17.5 inches | 17.5 inches | 17 inches | 17.3 inches |
| Depth | 28 inches | 28 inches | 28.0 inches | 20 inches | 27.56 inches |
| Weight | 25 lbs | 45 lbs | 45 lbs | 35 lbs | 35 lbs |
Controller kit restored stability quickly.
Smooth installation with predictable behavior.
Reliable replacement for production systems.
Good quality components.
Worked exactly as required.
The kit includes two CS420-X2 controllers, redundant power supplies, four 1.8TB SSDs and four 10TB HDDs pre-configured for immediate deployment.
Yes, the Q8D50A kit is fully compatible with all HPE Nimble Storage CS420 chassis and integrates seamlessly with CS420-based storage pools.
Slide each controller into the front bay, secure with captive screws, connect the SAS cables and power leads, then power on the array for automatic discovery.
Yes, you can hot-swap both HDDs and SSDs through the front drive bays without powering down, ensuring non-disruptive capacity or performance upgrades.