Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Featured Deal
Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
2 In stock - Ready to Ship
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
Q8C91A
HPE NS CS5000 Hybrid Fld Upgrade
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
Q8C91A is a high-performance NAS that features an 8-bay design and supports a range of drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD. It offers a total storage capacity of 256 TB with robust RAID options such as RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, powered by an Intel Xeon processor with 8 cores and equipped with 16 GB DDR4 memory that can be expanded up to 64 GB.
Overview of Q8C91A: This enterprise-grade storage system provides flexible connectivity with interfaces like USB 3.2, Ethernet 10GbE, and Fibre Channel, along with support for expansion to meet growing needs. The design includes redundant power supplies rated at 500W and redundant fan cooling to ensure optimal performance in demanding use cases such as SMB backup, enterprise data centers, virtualization, and media server deployments.
Q8C91A price is is available on request. Get immediate quote.
Request bulk order quote for Q8C91A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | NAS | SAN | NAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 8-bay | 8-bay | 12-bay | 8-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 256 TB | 512 TB | 256 TB | 1 PB | 256 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 | 64 GB | 128 GB | 64 GB | 64 GB | 64 GB |
| RAM Type | DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 2 | 2 | 4 | 2 |
| 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 | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 500W | 750W | 500W | 750W | 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 | Yes | No | Yes |
| Use Case | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | SMB / Enterprise Data Center / Media Server / Virtualization |
| Product Name | Q8C91A Enterprise NAS | Q8D70A Enterprise NAS Storage System | Q8F85A Enterprise NAS | Q8B74A Enterprise SAN Storage System | Q8B62A Enterprise NAS |
| Height | 3.5 inches | 3 inches | 3.5 inches | 3.5 inches | 4 inches |
| Width | 17.3 inches | 17 inches | 17.0 inches | 17.5 inches | 17 inches |
| Depth | 20.0 inches | 28 inches | 25.0 inches | 25.0 inches | 16 inches |
| Weight | 25 lbs | 50 lbs | 22 lbs | 28 lbs | 25 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Field upgrade completed without service interruption.
Upgrade process was smooth and predictable.
System performance remained stable post upgrade.
Reliable upgrade path for scaling storage.
Met enterprise expectations.
The HPE NS CS5000 Hybrid Flash Upgrade (SKU Q8C91A) adds high-performance flash caching to your HPE CS5000 array, boosting I/O and application responsiveness.
By deploying the HPE NS CS5000 Hybrid Flash Upgrade, customers see up to 5× faster read/write IOPS and reduced latency for mixed-workload environments.
SKU Q8C91A is supported on all HPE CS5000 Gen8 systems running firmware 6.0 or later, ensuring seamless integration with existing controllers.
The HPE NS CS5000 Hybrid Flash Upgrade offers up to 4 TB of MLC flash cache per controller, dramatically accelerating hot-data access.
No extra software licenses are required; the flash caching feature is included with the Q8C91A hardware upgrade.
The package contains two 2 TB MLC flash modules, installation sleds, mounting brackets and HPE support documentation.
Installation involves sliding each flash module into the designated sled, securing the brackets, and updating the array firmware to activate caching.
HPE firmware version 6.0 or later is required; please verify compatibility in the HPE Storage Firmware Release Notes.
By offloading hot-block I/O to flash, the upgrade reduces drive wear, enhances efficiency and lowers power and cooling expenses over time.
Yes, additional flash modules can be added in pairs to scale cache capacity up to the array’s maximum supported limit.
Yes, the flash modules include built-in power-loss protection capacitors to ensure data consistency under unexpected outages.
The upgrade comes with a one-year HPE limited warranty and optional 24×7 HPE Pointnext support services.
Contact your HPE sales representative or authorized partner and reference SKU Q8C91A to place your order.
Yes, the CS5000 array supports mixed media, enabling hybrid flash cache alongside traditional HDDs or all-flash shelves.
HPE Smart Storage Administrator (SSA) and HPE OneView provide real-time monitoring and cache performance analytics.
Firmware updates are available on the HPE Support Center website under the CS5000 product page.