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Controller replacement worked perfectly and restored performance.
C8R09A
HP MSA 2040 SAN Controller
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C8R09A
HP MSA 2040 SAN Controller
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C8R09A is a SAN enterprise storage system featuring a 16‐bay configuration that supports a mix of SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drive types. It offers a total storage capacity of 512 TB with robust RAID support including RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 designed for critical applications such as SMB backup, enterprise data center operations, virtualization, and media serving.
C8R09A is powered by an Intel Xeon processor with 8 cores and comes with 16 GB of pre-installed ECC DDR4 memory, expandable up to 64 GB. Its interfaces include USB 3.2, Thunderbolt, Ethernet 10GbE, and Fibre Channel, while network connectivity is provided by dual LAN ports and 10GbE support. The system features active cooling, redundant power supplies with a wattage of 350W, and expansion capabilities to meet growing data demands.
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Request bulk order quote for C8R09A for additional pricing. Browse the full Hpe Msa Storage Controllers series or explore all Hpe products.
In an SMB VMware or Microsoft Hyper-V environment, the HP MSA 2040 SAN Controller delivers automated tiering across SSD and HDD pools to maximize VM density. By intelligently caching hot blocks and offloading RAID processes, IT teams achieve up to 40% higher VM consolidation ratios and reduce overall storage TCO, while maintaining predictable performance and simplified management.
For enterprise OLTP and mixed-workload SQL Server deployments, the HP MSA 2040 SAN Controller uses flash read/write caching and adaptive data tiering to sustain sub-millisecond latency under heavy I/O. Businesses realize 2× database throughput improvements, stricter SLA adherence and faster query response times—driving better user experience and supporting data-intensive analytics at scale.
Organizations leverage built-in snapshot scheduling and asynchronous replication on the HP MSA 2040 SAN Controller to orchestrate reliable backups and off-site DR. This use case delivers near-instantaneous recovery points (RPOs under 15 minutes) and dramatically reduced backup windows, ensuring business continuity and data protection with minimal operational overhead.
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 C8R09A |  K2R82A |  Q1J03A |  Q2R19A |  M0T61A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | SAN | SAN | NAS | NAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 16-bay | 16-bay | 16-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 | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 512 TB | 256 TB | 128 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 | 8 |
| Installed RAM | 16 GB | 16 GB | 32 GB | 16 GB | 16 GB |
| Max RAM Capacity | 64 GB | 128 GB | 128 GB | 128 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 4 | 4 | 2 | 2 |
| USB Ports | USB 3.2 | USB 3.2 | USB 3.2 | USB 3.0 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Redundant Fan | Active | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 500W | 350W | 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 | Yes | Yes | No |
| 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 | SMB / Enterprise Data Center / Virtualization / Media Server |
| Product Name | C8R09A Enterprise Storage System | K2R82A | Q1J03A Enterprise Storage Array | Q2R19A Storage Appliance | M0T61A Enterprise NAS |
| Height | 3.5 inches | 3 inches | 3.5 inches | 3 inches | 3 inches |
| Width | 17 inches | 17 inches | 17.3 inches | 17 inches | 17 inches |
| Depth | 28 inches | 28 inches | 25.2 inches | 28 inches | 16 inches |
| Weight | 55 lbs | 45 lbs | 38 lbs | 50 lbs | 25 lbs |
Controller replacement worked perfectly and restored performance.
Reliable spare part for MSA systems.
Easy installation process.
No issues after replacement.
Good quality component.
The HP MSA 2040 SAN Controller (SKU C8R09A) is a dual-controller, 12 Gb/s SAS block storage array designed to deliver high-availability SAN performance for small and medium-sized businesses.
Key features include dual active-active controllers, 12 Gb/s SAS connectivity, up to 192 TB capacity per array, SSD/HDD support, thin provisioning, snapshot and replication, and unified management.
The MSA 2040 delivers up to 175,000 IOPS with sub-millisecond latency, leveraging optimized caching and 12 Gb/s SAS back-end for consistent, low-latency block storage performance.
The MSA 2040 supports 2.5-inch and 3.5-inch SAS SSDs and HDDs, including SAS Multi-Level Cell (MLC) and Single-Level Cell (SLC) drives for mixed flash and spinning-disk configurations.