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Martin Lewis
5
Hybrid SAN solution provides flexibility and dependable performance.
K2Q81A
HP StoreVirtual 4335 Hybrid SAN Solution
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K2Q81A
- Description:
- HP StoreVirtual 4335 Hybrid SAN Solution
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K2Q81A Overview
K2Q81A is a NAS storage system featuring 4-bay drive capacity that supports a mixed configuration of SATA HDDs and SATA SSDs, delivering a total storage capacity of 64 TB with RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 options. It is engineered to meet data protection and performance requirements without any unnecessary additions.
K2Q81A is powered by an Intel Xeon processor with 8 cores and comes with 8 GB of pre-installed DDR4 memory—expandable up to 32 GB. It provides connectivity via USB 3.0 and 1GbE Ethernet ports, supports system expansion, utilizes redundant power supplies with a 250W output, features active cooling, and is optimized for use cases including enterprise data center deployments, virtualization, and media server applications.
K2Q81A price is is available on request. Get immediate quote.
Request bulk order quote for K2Q81A for additional pricing. Browse the full Hpe Storevirtual Storages series or explore all Hpe products.
K2Q81A Specifications
- Product Type
- Storage System
- Storage Type
- NAS
- Form Factor
- Rackmount
- Bay Count
- 4-bay
- Supported Drive Types
- Mixed
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 64 TB
- RAID Support
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- CPU Type
- Intel Xeon
- CPU Cores
- 8
- Installed RAM
- 8 GB
- Max RAM Capacity
- 32 GB
- RAM Type
- DDR4
- Network Ports
- 1GbE
- LAN Ports
- 2
- USB Ports
- USB 3.0
- Expansion Support
- Yes
- Cooling
- Active
- Power Supply
- Redundant
- Power Supply Wattage
- 250W
- Operating System
- Custom OS
- Snapshot Support
- Yes
- Cloud Sync Support
- Yes
- Virtualization Ready
- Yes
- iSCSI Support
- Yes
- Surveillance Support
- No
- Use Case
- Enterprise Data Center
- Product Name
- K2Q81A Enterprise NAS
- Height
- 3 inches
- Width
- 17 inches
- Depth
- 16 inches
- Weight
- 22 lbs
K2Q81A Use Case
Virtual Desktop Infrastructure Acceleration with HP StoreVirtual 4335 Hybrid SAN
A mid-market firm running VMware vSphere deployed the K2Q81A-HP StoreVirtual 4335 Hybrid SAN to host 500 concurrent VDI sessions. By leveraging high-performance SSD caching and automated tiering across SAS drives, login storms are reduced by 40% and sustained IOPS increase by 3×. Benefit: consistent sub-millisecond latency, simplified capacity scaling and a 30% reduction in overall VDI TCO.
Tier-1 Database Performance and Backup Optimization
A retail chain modernized its on-premises SQL Server environment using the K2Q81A-HP StoreVirtual 4335 Hybrid SAN. Automated SSD/HDD tiering delivers 2× faster transaction throughput for ERP workloads, while thin provisioning and snapshot-based backups cut nightly backup windows by 60%. Benefit: accelerated query performance, near-zero backup impact and SLA-driven data protection.
Multi-Site Business Continuity and Disaster Recovery
A financial services company implemented synchronous replication between two K2Q81A-HP StoreVirtual 4335 systems located in separate data centers. In the event of a site failure, automated failover restores operations within five minutes and maintains an RPO under 15 seconds. Benefit: robust compliance with regulatory mandates, seamless failover testing and measurable improvements in uptime SLAs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 K2Q81A |  B7E25B |  B7E24A |  N9X20A |  N9X12A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | NAS | NAS | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 4-bay | 24-bay | 12-bay | 8-bay | 12-bay |
| Supported Drive Types | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 64 TB | 512 TB | 1 PB | 128 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 | 8 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 32 GB | 128 GB | 128 GB | 64 GB | 128 GB |
| RAM Type | DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 1GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 4 | 4 | 2 | 2 |
| USB Ports | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.1 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Redundant Fan | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 250W | 750W | 750W | 500W | 750W |
| 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 | Yes | No |
| Use Case | Enterprise Data Center | Enterprise Data Center / Virtualization / SMB | SMB / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | Enterprise Data Center |
| Product Name | K2Q81A Enterprise NAS | B7E25B Enterprise SAN Storage System | B7E24A Ultra Storage NAS | N9X20A Enterprise Storage System | N9X12A Storage Array |
| Height | 3 inches | 3.5 inches | 3.5 inches | 3.5 inches | 3.5 inches |
| Width | 17 inches | 19 inches | 17.5 inches | 17.3 inches | 17.5 inches |
| Depth | 16 inches | 28 inches | 27.5 inches | 20.1 inches | 28 inches |
| Weight | 22 lbs | 65 lbs | 45 lbs | 25 lbs | 55 lbs |
Reviews & Ratings
U
Umar Farid
4
Handles mixed workloads efficiently with stable operation.
R
Rafael Mendes
5
Easy to manage and integrates well into our infrastructure.
C
Claire Robinson
3
A solid hybrid storage option for enterprise needs.
D
Danish Mahmood
4
Consistent performance and good scalability.
Questions & Answers
What is the HP StoreVirtual 4335 Hybrid SAN Solution (SKU: K2Q81A)?
The HP StoreVirtual 4335 Hybrid SAN Solution (SKU: K2Q81A) is an enterprise-class storage array combining SSD caching with high-capacity HDDs to deliver accelerated performance, simplified management, and cost-efficient shared storage.
What are the key features and benefits of the HP StoreVirtual 4335 Hybrid SAN Solution?
Key features include automatic SSD caching, scale-out clustering up to 16 nodes, integrated snapshots and replication, and support for industry-standard iSCSI. Benefits include sub-millisecond latency, high availability, seamless scalability, and simplified administration via a centralized console.
What hardware configuration is included in SKU K2Q81A?
SKU K2Q81A includes two HP StoreVirtual 4335 nodes, each equipped with 8 GB DDR3 memory, a 200 GB SSD cache drive, four 2 TB NL SAS HDDs (8 TB raw per node), dual 10 GbE ports, and redundant hot-plug power supplies.
What storage capacity and scalability options does the solution offer?
Each HP StoreVirtual 4335 node delivers 8 TB of raw HDD capacity plus SSD cache, and you can scale out to 16 nodes in a single cluster for up to 128 TB of raw capacity, or higher when adding external JBODs.