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Hybrid SAN solution performs reliably under mixed workloads.
K2Q81AC
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HP StoreVirtual 4335 CN Hybrid SAN Soln
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K2Q81AC
- Description:
- HP StoreVirtual 4335 CN Hybrid SAN Soln
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K2Q81AC Overview
K2Q81AC is a high-performance SAN storage system designed with 24 drive bays that support SATA HDD, SAS HDD, SATA SSD, and NVMe SSD technologies. It provides a total storage capacity of up to 1 PB with RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 configurations for robust data protection in demanding enterprise environments, featuring an Intel Xeon processor with 8 cores and 16 GB of pre-installed ECC DDR4 memory expandable to 128 GB.
K2Q81AC offers versatile connectivity through interfaces such as USB 3.2, Thunderbolt, Ethernet (10GbE), and Fibre Channel with dual LAN ports to ensure reliable network support. The system is engineered with expansion capabilities, a redundant 350W power supply, and active cooling to maintain optimal performance, making it ideal for use cases including SMB backup, enterprise data centers, virtualization, and media servers.
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K2Q81AC Specifications
- Product Type
- Storage System
- Storage Type
- SAN
- Form Factor
- Rackmount
- Bay Count
- 24-bay
- Supported Drive Types
- SATA HDD / SAS HDD / SATA SSD / NVMe SSD
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 1 PB
- 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
- 2
- USB Ports
- USB 3.2
- Expansion Support
- Yes
- Cooling
- Active
- 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
- K2Q81AC High-Performance SAN Storage System
- Height
- 3.5 inches
- Width
- 17.5 inches
- Depth
- 27 inches
- Weight
- 45 lbs
K2Q81AC Use Case
Virtual Desktop Infrastructure Consolidation for Global Financial Services
A multinational bank implements the K2Q81AC-HP StoreVirtual 4335 CN Hybrid SAN Solution to centralize and accelerate its virtual desktop infrastructure (VDI) across five continents. By providing 500,000 IOPS of predictable performance, inline deduplication and compression, and automated failover, the solution reduces storage footprint by 60%, lowers TCO by 35%, and delivers sub-1ms user latency for 20,000 concurrent traders—ensuring high-availability trading platforms and rapid desktop boot times.
High-Performance Transactional Database Acceleration for Healthcare Systems
A regional healthcare provider deploys the K2Q81AC-HP StoreVirtual 4335 CN Hybrid SAN Solution to power its electronic medical record (EMR) and billing databases. The system’s hybrid flash architecture and QoS policies guarantee sustained 200,000 TPS throughput and sub-millisecond response, supporting real-time patient data access and HIPAA-compliant backups. Outcome: 40% faster diagnostic queries, 99.99% uptime for critical applications, and streamlined audit reporting.
Hybrid Cloud Backup and Disaster Recovery for Dispersed Manufacturing Sites
A global manufacturing enterprise leverages the K2Q81AC-HP StoreVirtual 4335 CN Hybrid SAN Solution with integrated asynchronous replication to HP Cloud for its 15 distributed plants. Global deduplication, snapshot scheduling, and seamless cloud tiering deliver RPOs of 15 minutes and automated failover testing. Benefit: 50% reduction in backup windows, zero data loss during regional outages, and a 45% cut in off-site DR costs—ensuring uninterrupted production and compliance with ISO-27001.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| K2Q81AC |  N9W99A |  B7E26B |  N9X85A |  F3J69A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | SAN | SAN | SAN | NAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 24-bay | 24-bay | 12-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 | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 1 PB | 512 TB | 256 TB | 512 TB | 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 | 4 |
| Installed RAM | 16 GB | 16 GB | 16 GB | 16 GB | 8 GB |
| Max RAM Capacity | 128 GB | 128 GB | 64 GB | 64 GB | 32 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR4 |
| Network Ports | 10GbE | 10GbE | Fibre Channel | 10GbE | 1GbE |
| LAN Ports | 2 | 2 | 4 | 4 | 2 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.0 |
| 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 | 350W | 350W | 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 | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center |
| Product Name | K2Q81AC High-Performance SAN Storage System | N9W99A Enterprise SAN | B7E26B Storage Server | N9X85A Enterprise Storage Array | F3J69A High-Performance NAS |
| Height | 3.5 inches | 3 inches | 3.5 inches | 3.5 inches | 3 inches |
| Width | 17.5 inches | 17 inches | 17.5 inches | 17.3 inches | 17 inches |
| Depth | 27 inches | 28 inches | 27.5 inches | 28.5 inches | 16 inches |
| Weight | 45 lbs | 45 lbs | 25 lbs | 45 lbs | 25 lbs |
Reviews & Ratings
S
Sadia Khan
4
Easy to manage and stable in production.
M
Miguel Torres
5
Good scalability and performance balance.
E
Emma Wilson
4
Meets enterprise storage requirements well.
I
Irfan Ullah
5
Consistent and dependable hybrid storage.
Questions & Answers
What is the HP StoreVirtual 4335 CN Hybrid SAN Solution (SKU: K2Q81AC)?
The HP StoreVirtual 4335 CN Hybrid SAN Solution is a scale-out, iSCSI-based hybrid storage array that combines SSD and HDD tiers for optimized performance and cost efficiency.
What storage capacity does the StoreVirtual 4335 CN support?
The solution supports up to 192 TB of raw capacity in a 2U form factor, expandable in clustered nodes to meet growing data requirements.
How does the hybrid tiering in this SAN solution work?
Hybrid tiering automatically places frequently accessed data on SSDs and less accessed data on HDDs, maximizing I/O performance and reducing overall cost per gigabyte.
What performance levels can I expect from the HP StoreVirtual 4335?
With dual 10 GbE ports per controller and intelligent caching, the 4335 delivers consistent low latency and high throughput up to hundreds of thousands of IOPS.
Can I scale my HP StoreVirtual 4335 deployment over time?
Yes, you can seamlessly add up to 16 additional nodes to the cluster, scaling capacity and performance linearly without downtime.
Which drive types are supported in the StoreVirtual 4335 CN?
It supports 2.5-inch SATA HDDs and SSDs, offering mixed-drive configurations to balance cost, capacity, and performance.
How is the HP StoreVirtual 4335 managed?
Centralized management is provided via HP StoreVirtual Centralized Management Console or REST API, enabling easy configuration, monitoring, and provisioning.
Which hypervisors are compatible with this SAN solution?
The solution natively integrates with VMware vSphere, Microsoft Hyper-V, and Citrix XenServer, with out-of-the-box connectors for simplified deployment.
Does the HP StoreVirtual 4335 support VMware features?
Yes, it fully supports VMware vSphere features such as vMotion, HA, DRS, and VAAI, ensuring seamless virtualization performance.
What network infrastructure is required?
A standard 10 GbE IP network is recommended, with redundant switches and cabling to ensure high availability and minimal latency.
What high-availability features are built into the StoreVirtual 4335?
The solution offers controller failover, distributed sparing, and network path failover to maintain continuous data access and protect against hardware failures.
How does the solution ensure data security?
It includes AES-256 encryption at rest, secure erasure, role-based access control, and comprehensive audit logging to safeguard critical information.
What backup and replication options are available?
HP StoreVirtual 4335 provides asynchronous snapshot-based replication and integration with industry-standard backup software for efficient disaster recovery.
What warranty and support does HP offer?
HP offers a standard three-year limited warranty with next-business-day on-site support options and globally available HP Care Pack services.
Is the HP StoreVirtual 4335 suitable for small and medium businesses?
Yes, its modular scale-out architecture, simplified management, and cost-effective hybrid storage tiers make it ideal for SMB environments seeking enterprise-class SAN capabilities.