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ON5266M5
Inspur Rack Scale Server OR ON5266M5 Form Factor: 2OU, Dual...
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ON5266M5 is a high-performance rackmount server that supports Intel Xeon Scalable processors on an LGA 4189 socket and is scalable in a 2P configuration. It comes equipped with ECC DDR4 memory supporting up to 4 TB across 16 slots, 4 PCIe 4.0 expansion slots, and 8 hot-swap 2.5-inch storage bays featuring RAID 5 support.
This server is designed for demanding environments with redundant 800W power supplies, active cooling, and integrated remote management via iDRAC. It also offers a 10GbE network interface with 4 LAN ports, supports VMware ESXi as well as other major operating systems, and is ideally suited for data center, virtualization, file server, and application server use cases.
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| CPU Socket | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 27.2 inches | 28 inches | 28 inches | 28 inches | 28 inches |
| Drive Bay Size | 2.5-inch | 2.5-inch | 2.5-inch | 2.5-inch | 2.5-inch |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | Yes | Yes | Yes | Yes | No |
| Height | 3.5 inches | 3.5 inches | 3.5 inches | 3.5 inches | 3.5 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 4 | 2 | 4 | 2 | 4 |
| Max Cores per CPU | 16 | 32 | 32 | 32 | 32 |
| Max RAM Capacity | 4 TB | 2 TB | 1 TB | 2 TB | 1 TB |
| Max Threads per CPU | 32 | 64 | 64 | 64 | 64 |
| Network Interface | 10GbE | 10GbE | 10GbE | 10GbE | 1GbE |
| Operating System | VMware ESXi | VMware ESXi | VMware ESXi | Windows Server | Windows Server / VMware ESXi / Ubuntu |
| PCIe Slots | 4 | 4 | 4 | 4 | 6 |
| PCIe Version | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 800W | 1000W | 1000W | 1000W | 800W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 4th Gen | Xeon 3rd Gen | Xeon 4th Gen | Xeon 3rd Gen | Xeon 4th Gen |
| Processor Series | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable |
| Product Name | ON5266M5 | ON5488M5 Enterprise Rackmount Server | SN5160M4 | SN5150M4 Server | SR4200-Rack |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 5 | RAID 1 | RAID 5 | RAID 5 | RAID 0 / RAID 1 / RAID 5 |
| RAM Slots | 16 | 16 | 16 | 16 | 16 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR5 | ECC DDR4 |
| Rack Units | 2U | 2U | 2U | 2U | 2U |
| Rail Kit Included | No | No | N/A | Yes | Yes |
| Remote Management | iDRAC | iDRAC | iDRAC | iDRAC | iDRAC |
| Scalability | 2P | 2P | 2P | 2P | 2P |
| Storage Bays | 8 | 8 | 8 | 8 | 12 |
| Storage Type | SATA SSD | NVMe SSD | SATA SSD | NVMe SSD | SATA SSD |
| Use Case | Virtualization / File Server / Application Server | Virtualization | Virtualization | Virtualization | Virtualization / File Server / Application Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 34 lbs | 50 lbs | 45 lbs | 45 lbs | 75 lbs |
| Width | 17.3 inches | 17.2 inches | 17.2 inches | 17.5 inches | 19 inches |
High storage density with reliable hot-plug support.
Stable performance for large storage pools.
Good airflow and dependable operation.
Easy to manage and expand.
Enterprise-grade storage platform.
The Inspur ON5266M5 is a 2U rack-mounted server designed for high-density datacenter deployments.
The ON5266M5 supports up to 34 hot-pluggable 3.5-inch HDDs via its dual separate storage trays.
Each of the two separate trays holds 17 hot-swap 3.5-inch HDDs, totaling 34 drives.
The ON5266M5 utilizes the PM8054 expander IC to efficiently manage multiple HDD connections.