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- Description
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Lenovo lists 4XC7A80267 (feature code BP8M) as the ThinkSystem Intel E810-DA4 10/25GbE SFP28 4-Port PCIe Ethernet Adapter. It is a full-height, half-length card with four SFP28 ports and a PCIe Gen4 or Gen3 x16 host interface.
Lenovo says the E810-DA4 runs without PCIe bandwidth limits in either an x8 or an x16 slot in PCIe Gen4 servers, but needs an x16 slot in PCIe Gen3 servers.
The ports accept any mix of 1Gb, 10Gb and 25Gb transceivers; for example, two 25Gb and two 1Gb transceivers can sit on one card.
Lenovo lists Application Device Queues, Dynamic Device Personalization, enhanced DPDK, IEEE 1588 PTP v1 and v2, and iWARP and RoCEv2 RDMA. Lenovo adds that RoCEv2 on the E810 has not been certified for Microsoft Azure Stack HCI clusters, where only iWARP is supported.
The option ships with the adapter and a full-height (3U) bracket attached. The two-port sibling is 4XC7A08295 (E810-DA2 PCIe, BCD6), and the OCP 3.0 four-port version is 4XC7A80269 (BP8L).
If 4XC7A80267 does not fit, the Lenovo interface card category has more options, among them the Lenovo Intel E810-DA2 10/25GbE SFP28 2-port PCIe Ethernet Adapter.
| Option part number | 4XC7A80267 |
| Feature code | BP8M |
| Controller family | Intel Ethernet E810 |
| Ports | 4 x SFP28 (10/25GbE) |
| Host interface | PCIe Gen4 or Gen3 x16 |
| Form factor | PCIe full-height, half-length |
| Transceivers | any mix of 1Gb, 10Gb and 25Gb |
| RDMA | iWARP, RoCEv2 |
| Timing | IEEE 1588 PTP v1/v2 |
| 2-port sibling | 4XC7A08295 |
| OCP 4-port version | 4XC7A80269 |