K2R79A - HPE MSA Storage Controllers
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K2R79A
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K2R79A Overview
K2R79A - HP MSA 2040 ES SAN DC LFF Storage K2R79A
Overview
K2R79A Overview
HPE MSA 2040 Energy Star SAN Dual Controller LFF Storage, Serial Attached SCSI (SAS), 3.5", Rack (2U)
K2R79A is an HPE MSA 2040 SAN FC DUAL Controller LFF Storage, including LFF Array Chassis + two MSA 2040 SAN controllers, no drives or host connect cables are included (SFP’s not required for SAS controllers). ENERGY STAR certified HPE MSA 2040 is a high-performance storage array designed for entry-level Hewlett Packard Enterprise customers desiring 8Gb/16Gb Fibre Channel, 1GbE/10GbE iSCSI, or 12Gb SAS connectivity with 4 host ports per controller. The MSA 2040 Storage array provides an excellent value for customers needing performance balanced with price to support initiatives such as consolidation and virtualization.
Quick Spec
Model | K2R79A |
Capacity Single Enclosure and Maximum Additional Drive Enclosures | 120 TB (single LFF array-head -using 12 x 10TB LFF SAS MDL drives) 960 TB (7 LFF Disk Enclosures behind LFF Array & using 10TB LFF SAS MDL drives) |
Cache | 6 GB per controller |
Host Interconnect | MSA 2040 SAN controller will support up to four connections with options of 16Gb, 8Gb FC and 10GbE, 1GbE iSCSI per controller. |
Product Details
Figure 1 shows the MSA 2040 LFF enclosure.
Figure 2 shows the MSA 2040 rear panel with 2 controllers installed. SAS and SAN controllers have similar appearance, this figure is for reference.
Note:
① | Power supply |
② | SAN: 8 and/or 16Gb Fibre Channel, 1 and/or 10GbE iSCSI SAS: 6Gb/12Gb mini-SAS HD ports |
③ | Power supply |
④ | Expansion port |
⑤ | Management Ethernet port |
⑥ | CLI port (mini-USB) |
Compare to Similar Items
Model | K2R79A | |||
Capacity Single Enclosure and Maximum Additional Drive Enclosures | 120 TB (single LFF array-head -using 12 x 10TB LFF SAS MDL drives) 960 TB (7 LFF Disk Enclosures behind LFF Array & using 10TB LFF SAS MDL drives) | 76.8 TB (single SFF array-head - using 24 x 3.2TB SFF SSD drives) 637 TB (7 SFF Disk Enclosures behind SFF Array & using 3.2TB SFF SSD drives) | 120 TB (single LFF array-head -using 12 x 10TB LFF SAS MDL drives) 960 TB (7 LFF Disk Enclosures behind LFF Array & using 10TB LFF SAS MDL drives) | 76.8 TB (single SFF array-head - using 24 x 3.2TB SFF SSD drives) 637 TB (7 SFF Disk Enclosures behind SFF Array & using 3.2TB SFF SSD drives) |
Hard Disks | LFF | SFF | LFF | SFF |
Host interface | MSA 2040 SAN controller will support up to four connections with options of 16Gb, 8Gb FC and 10GbE, 1GbE iSCSI per controller. | MSA 2040 SAN controller will support up to four connections with options of 16Gb, 8Gb FC and 10GbE, 1GbE iSCSI per controller. | MSA 2040 SAS controller will support up to four 6Gb/12Gb SAS connections per controller using miniSAS HD cables | MSA 2040 SAS controller will support up to four 6Gb/12Gb SAS connections per controller using miniSAS HD cables |
Summary Description
HPE MSA 2040 Energy Star SAN Dual Controller LFF Storage, Serial Attached SCSI (SAS), 3.5", Rack (2U)
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Specification
K2R79A Specification
MSA 2040 Specification | |
Capacity Single Enclosure and Maximum Additional Drive Enclosures | LFF: 120 TB (single LFF array-head -using 12 x 10TB LFF SAS MDL drives) 960 TB (7 LFF Disk Enclosures behind LFF Array & using 10TB LFF SAS MDL drives) SFF: 76.8 TB (single SFF array-head - using 24 x 3.2TB SFF SSD drives) 637 TB (7 SFF Disk Enclosures behind SFF Array & using 3.2TB SFF SSD drives) NOTE: 1) maximum available storage capacity depends on the RAID level being implemented |
Pool Capacity | GL200: 169 TB (154 TiB) GL210: 219 TB (200 TiB) GL220: 329 TB (300 TiB) GL220 with Large Pool Support: 562 TB (512 TiB) NOTE: 1) The above pool capacities by firmware release apply to virtual storage only 2) The above capacities are usable capacity/pool. Each MSA system can support two pools. Therefore each MSA storage system can have double the usable capacity listed above |
Cache | 6 GB per controller NOTE: 6GB cache includes Data (Read/Write) cache = 4GB and Metadata and System OS memory= 2GB |
Total LUNs (LUN size are dependent of the storage architecture: Linear vs. Virtualized) | 512 maximum LUN size: 140TB (128TiB) Thin Provisioning allows you to create the LUNs independent of the physical storage |
Host Interconnect | MSA 2040 SAN controller will support up to four connections with options of 16Gb, 8Gb FC and 10GbE, 1GbE iSCSI per controller. MSA 2040 SAS controller will support up to four 6Gb/12Gb SAS connections per controller using miniSAS HD cables |
Maximum Drives w/ 3 expansion | 96 LFF/199 SFF |
Maximum Host Supported | 64 in v2 UI 512 in v3 UI |
Standard Software | Snapshots (64) |
Optional Software | Remote Snap (linear storage only) Max Snapshot (512) Performance Tiering |
Frequently Asked Questions
What are the primary use cases for the HPE MSA 2040 K2R79A storage system? +
The HPE MSA 2040 K2R79A is designed for small to medium-sized business environments requiring high-performance shared storage. It excels in virtualization consolidation, backup and recovery, and primary storage workloads where cost-effective flash-ready performance is essential for maintaining consistent application uptime and high throughput for mission-critical databases.
Does the K2R79A support Large Form Factor (LFF) drives? +
Yes, this specific unit is an LFF (Large Form Factor) model, which allows you to utilize 3.5-inch SAS, MDL SAS, or SSD drives. This form factor is ideal for enterprises that prioritize high-capacity storage density, making it a reliable choice for archival data, large file repositories, and cost-efficient capacity scaling in existing SAN infrastructures.
How does the HPE MSA 2040 architecture improve performance over older generation SANs? +
The HPE MSA 2040 architecture offers a significant performance leap by supporting high-speed controller interfaces and advanced tiering capabilities. By integrating flash-ready technology, the system effectively reduces latency and accelerates random I/O operations, ensuring that bandwidth-heavy applications perform optimally under peak demand compared to legacy storage controllers.
Is the HPE MSA 2040 K2R79A compatible with existing fiber channel infrastructures? +
The MSA 2040 platform provides flexible connectivity options to integrate seamlessly into diverse storage area network environments. It supports standard host-side interfaces, allowing for smooth interoperability with existing HBA cards and switches, ensuring your enterprise can expand its storage footprint without needing a complete overhaul of current networking infrastructure components.
What is the recommended management approach for the HPE MSA 2040 storage system? +
Management is simplified through the MSA Storage Management Utility (SMU), a web-based interface that provides intuitive oversight of your storage environment. This tool enables administrators to perform provisioning, monitor system health, and manage snapshots and volume replication efficiently, reducing the operational burden on IT teams while maintaining granular control over storage resources.
How reliable is the K2R79A for redundant enterprise deployments? +
Built for high availability, the K2R79A supports dual-controller configurations that provide automatic failover and redundancy. This design ensures that if a component failure occurs, the system maintains data availability and performance levels. It is a robust solution for enterprises that cannot afford downtime and require continuous access to their critical business information.
Are there specific licensing requirements for features like snapshots or replication on the K2R79A? +
While the HPE MSA 2040 includes advanced data protection features, certain capabilities like advanced snapshotting or remote replication may depend on the specific firmware version or the activation of supplementary feature licenses. We recommend verifying your existing license keys to ensure you can fully utilize the data mobility and recovery tools available within the MSA ecosystem.
How does the LFF chassis design impact cooling and airflow in a standard server rack? +
The LFF chassis is engineered to maintain optimal airflow across drive bays, ensuring that components remain within safe operating temperatures even under heavy workloads. Proper rack deployment, including sufficient front-to-back ventilation, is critical to ensuring the longevity of the drives housed in the K2R79A and maintaining the integrity of the storage controller system.
Why should I purchase my HPE hardware through BuyRouterSwitch.com? +
We provide dedicated support for IT buyers looking for competitive pricing and expert guidance on complex storage deployments. By choosing BuyRouterSwitch.com, you benefit from our streamlined procurement process and our commitment to sourcing genuine, reliable enterprise-grade hardware, ensuring your data center infrastructure is built upon authentic and high-quality components.
How can I request a bulk quote for the K2R79A and related networking equipment? +
For large volume orders or integrated infrastructure projects, our sales team at BuyRouterSwitch.com is ready to assist. Contact us directly to receive a customized bulk quote that accounts for your specific project requirements. We specialize in aggregating hardware orders to help you manage your IT budget effectively while ensuring the availability of the critical components you need.
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