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Reliable LFF storage system for capacity focused workloads. Performs as expected.
K2R79A
HP MSA 2040 SAN LFF ES
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K2R79A
HP MSA 2040 SAN LFF ES
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K2R79A is a high-performance SAN storage system designed for demanding enterprise data centers and media server environments. It features 12 drive bays that support a mixed array of drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD, offering a total storage capacity of up to 1 PB with RAID 0, RAID 1, RAID 5, and RAID 6 configurations. Powered by an Intel Xeon processor with 8 cores and equipped with 16 GB of pre-installed ECC DDR4 memory (expandable up to 64 GB), it delivers reliable performance for mission-critical applications.
K2R79A offers versatile connectivity through interfaces such as USB 3.2, Thunderbolt, Ethernet 10GbE, and Fibre Channel, along with four LAN ports for robust network support. The system includes expansion support, redundant power supplies rated at 350W, and active cooling with redundant fans, making it ideally suited for SMB backup, enterprise data centers, virtualization, and media server use.
K2R79A price is $4,106.28, a 67% saving from the Hpe list price of $12,443.28. K2R79A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for K2R79A for additional pricing. Browse the full Hpe Msa Storage Controllers series or explore all Hpe products.
In a midsize enterprise running 200+ VMware vSphere VMs, the K2R79A-HP MSA 2040 SAN LFF ES delivers pooled high-capacity drives and 12Gb/s SAS controllers to replace scattered direct-attached storage. The result is 40% higher VM density, sub-millisecond I/O latency and a 30% reduction in total cost of ownership through simplified management and scale-out growth.
A financial services firm running mission-critical SQL Server applications leverages the K2R79A-HP MSA 2040 SAN LFF ES with adaptive flash caching and enterprise-class RAID. This configuration sustains 50,000+ IOPS at 1 ms latency, accelerates transaction processing by 60%, and ensures 99.99% uptime for real-time analytics and compliance reporting.
An IT services provider implements K2R79A-HP MSA 2040 SAN LFF ES native snapshot replication to a secondary data center. Automated daily snapshots and asynchronous replication cut recovery time objective (RTO) to under 15 minutes, reduce backup windows by 70%, and deliver enterprise-grade disaster recovery without additional software licensing.
To get the detailed certification, please go to the Compliance Center.
 K2R79A |  Q2R20A |  E7W04A |  K2R84A |  E7V99AR | |
|---|---|---|---|---|---|
| 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 | 12-bay | 12-bay | 4-bay | 4-bay | 24-bay |
| Supported Drive Types | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 1 PB | 1 PB | 64 TB | 64 TB | 1 PB |
| RAID Support | 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 | RAID 0 / RAID 1 / RAID 5 / 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 | 4 | 4 | 8 |
| Installed RAM | 16 GB | 16 GB | 8 GB | 8 GB | 16 GB |
| Max RAM Capacity | 64 GB | 128 GB | 32 GB | 32 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 1GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 2 | 4 | 2 | 4 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.1 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Redundant Fan | Active | Redundant Fan | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 350W | 250W | 500W | 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 | No |
| Use Case | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | Enterprise Data Center |
| Product Name | K2R79A Enterprise Storage System | Q2R20A Storage System | E7W04A Storage System | K2R84A 4-Bay Enterprise NAS | E7V99AR Enterprise Storage System |
| Height | 4 inches | 3 inches | 3 inches | 1.7 inches | 3.5 inches |
| Width | 17 inches | 17 inches | 17 inches | 17 inches | 17 inches |
| Depth | 28 inches | 29 inches | 25 inches | 11 inches | 25 inches |
| Weight | 25 lbs | 25 lbs | 30 lbs | 15 lbs | 45 lbs |
Reliable LFF storage system for capacity focused workloads. Performs as expected.
Stable platform with predictable behavior under load.
Easy to manage and suitable for archive and backup tiers.
Good value SAN solution for growing storage needs.
Consistent performance and simple maintenance.
The HP MSA 2040 SAN LFF ES (SKU: K2R79A) is a dual-controller, entry-level storage area network array that supports 3.5-inch large form factor drives for high-capacity SAN deployments.
Key features include active-active dual controllers, up to 8 GB battery-backed cache per controller, 12 Gb/s SAS connectivity, FAST Cache tiering, and 12 native LFF drive bays expandable to 84 drives.
The HP MSA 2040 SAN LFF ES supports 3.5-inch SAS SSDs and NL-SAS HDDs up to 6 TB per drive for a maximum raw capacity of 504 TB in an 84-drive configuration.
A single HP MSA 2040 SAN LFF ES enclosure holds 12 LFF drives and can scale to 84 drives when connected to up to six additional expansion enclosures.