HPE 621SFP28
Network adapter low profile | 25 Gigabit SFP28 x 2 | factory integrated
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Main Specification
| Product Description | HPE 621SFP28 - network adapter - 25 Gigabit SFP28 x 2 |
|---|---|
| Device Type | Network adapter |
| Form Factor | Plug-in card - low profile |
| PCI Specification Revision | PCIe 3.0 |
| Ports | 25 Gigabit SFP28 x 2 |
| Data Link Protocol | 10GbE, 25GbE |
| Data Transfer Rate | 25 Gbps |
| Performance | Bidirectional throughput: 100 Gbps |
| Capacity | Jumbo frame size: up to 9 KB |
| Processor | Cavium QL41401 |
| Compliant Standards | IEEE 802.1Q, IEEE 802.1p, IEEE 802.1ad, IEEE 802.1as, IEEE 802.1Qbb, IEEE 802.1Qaz, IEEE 802.3by |
| Pricing Type | Factory integrated |
General
| Device Type | Network adapter |
|---|---|
| Form Factor | Plug-in card - low profile |
| PCI Specification Revision | PCIe 3.0 |
Networking
| Ports | 25 Gigabit SFP28 x 2 |
|---|---|
| Connectivity Technology | Wired |
| Data Link Protocol | 10 Gigabit Ethernet, 25 Gigabit Ethernet |
| Data Transfer Rate | 25 Gbps |
| Performance | Bidirectional throughput: 100 Gbps |
| Capacity | Jumbo frame size: up to 9 KB |
| Remote Management Protocol | SNMP |
| Features | VLAN support, IPv6 support, Jumbo Frames support, RSS, SR-IOV, RoCE, VXLAN, NVGRE, RoCE v2, RSC, iSER |
| Compliant Standards | IEEE 802.1Q, IEEE 802.1p, IEEE 802.1ad, IEEE 802.1as, IEEE 802.1Qbb, IEEE 802.1Qaz, IEEE 802.3by |
Processor / Memory
| Processor | Cavium QL41401 |
|---|
Expansion / Connectivity
| Interfaces | 2 x 25Gb Ethernet - SFP28 |
|---|
Miscellaneous
| Compliant Standards | WHQL, RoHS, CE/EMC |
|---|---|
| Pricing Type | Factory integrated |
Power
| Power Consumption Operational | 14.1 watt |
|---|
Environmental Parameters
| Min Operating Temperature | 5 °C |
|---|---|
| Max Operating Temperature | 60 °C |
| Humidity Range Operating | 5 - 95% (non-condensing) |
Product features
Improving CPU Utilization with Lower Latency
The HPE Ethernet 10/25Gb 2-port SFP28 QL41401-A2G Adapter reduces CPU Utilization and helps improve host virtual machine (VM) density and server efficiency using remote direct memory access (RDMA) with support for IWARP, RoCE and RoCEv2 protocols for VM migration and supports Microsoft SMB Direct. Delivers single root I/O virtualization (SR-IOV) with the ability to run a large number of virtual machines (VMs) per server, which reduces the need for hardware and the resultant costs of space and power required by hardware devices.Enhance Performance and Lower Power Consumption
The HPE Ethernet 10/25Gb 2-port SFP28 QL41401-A2G Adapter allows customers to use overlay networking which increases VM migration flexibility with minimal impact to performance and lower power usage with Tunnel Offloads (VXLAN, NVGRE, GRE).Prevent Unauthorized Access
The HPE Ethernet 10/25Gb 2-port SFP28 QL41401-A2G Adapter stops unauthorized access to memory or storage with device-level firewall. This enforces that on-device firmware and configuration data can only be accessed by authorized agents. Provides traceability into authenticated firmware updates by capturing changes in standard system logs. Renders user and configuration data on the NIC irretrievable so that NICs can be safely repurposed or disposed of.Key selling points
- The HPE Ethernet 10/25Gb 2-port SFP28 QL41401-A2G Adapter reduces CPU Utilization and helps improve host virtual machine (VM) density and server efficiency using remote direct memory access (RDMA) with support for IWARP, RoCE and RoCEv2 protocols for VM migration and supports Microsoft SMB Direct.
- The HPE Ethernet 10/25Gb 2-port SFP28 QL41401-A2G Adapter allows customers to use overlay networking which increases VM migration flexibility with minimal impact to performance and lower power usage with Tunnel Offloads (VXLAN, NVGRE, GRE).
- The HPE Ethernet 10/25Gb 2-port SFP28 QL41401-A2G Adapter stops unauthorized access to memory or storage with device-level firewall. This enforces that on-device firmware and configuration data can only be accessed by authorized agents.
References
MPN: 867328-B21#0D1
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04/06/2026 04:58:55