Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
HPE P05953-B21 Connectx-4 2-Ports 100Gb/s QSFP28 Network Adapter
- Mellanox ConnectX-4 Ethernet Adapter
- Dual-port 100Gb/s QSFP28 connectivity
- PCI Express 3.0 x16 interface
- Designed for high-performance computing (HPC)
- Ideal for data center networking
- Supports RDMA over Converged Ethernet (RoCE)
- Low latency and high throughput
Was $324.00 · You save $0.00
Key specifications
See full specs ↓- Product Type
- Network Adapter
- Chipset
- Mellanox ConnectX-4
- Port Configuration
- 2 x 100Gb/s QSFP28
- Interface
- PCI Express 3.0 x16
- Data Transfer Rate
- 100 Gb/s per port
- Features
- RDMA, RoCE, Ethernet
Product details
The HPE P05953-B21 is a ConnectX-4 network adapter designed for high-performance computing and data center environments. It features two 100Gb/s QSFP28 ports, providing extremely high-speed connectivity for servers. This adapter is built for demanding I/O workloads.
Technical Information
| Product Type | Network Adapter |
| Chipset | Mellanox ConnectX-4 |
| Port Configuration | 2 x 100Gb/s QSFP28 |
| Interface | PCI Express 3.0 x16 |
Additional Specifications
| Data Transfer Rate | 100 Gb/s per port |
| Features | RDMA, RoCE, Ethernet |
| Manufacturer | HPE |
| Part Number | P05953-B21 |
Description
The HPE P05953-B21 is a cutting-edge dual-port 100Gb/s Ethernet network adapter based on the Mellanox ConnectX-4 technology. Engineered for the most demanding data center and high-performance computing (HPC) environments, this adapter provides unparalleled network throughput and low latency. Each of its two QSFP28 ports can deliver a staggering 100 Gigabits per second, enabling extremely fast data transfers and communication between servers and storage systems. Leveraging the PCI Express 3.0 x16 interface, the ConnectX-4 adapter ensures sufficient bandwidth to fully utilize its 100Gb/s ports, preventing bottlenecks in high-I/O applications. It supports advanced features such as Remote Direct Memory Access over Converged Ethernet (RoCE), which allows for efficient data transfer directly between the memory of different servers without involving the CPU, significantly reducing latency and improving application performance. This makes it ideal for storage networking, parallel processing, and real-time data analytics. This network adapter is a critical component for modern data centers aiming to achieve maximum performance and scalability. Its robust design and advanced capabilities make it suitable for AI/ML workloads, large-scale virtualization, and any application requiring extremely high-speed, low-latency network connectivity. The HPE P05953-B21 represents a significant advancement in network adapter technology, empowering organizations to push the boundaries of data processing and analysis.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for P05953-B21.
