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DELL
DELL 540-BCXX Intel E810 25GbE Dual Port SFP28 PCIe 4.0 x8 Network Card
Dual-port 25 Gigabit SFP28 adapter with PCIe 4.0 x8 interface for high-speed wired networking
- Speed25Gigabit
- Connectors2 x SFP28
- InterfacePCI-Express
- 25 GbE dual-port throughput for high-bandwidth workloads
- PCIe 4.0 x8 interface delivers up to 250 MB/s host transfer
- Low-profile plug-in card fits space-constrained servers
- Advanced offloads including RDMA, SR-IOV and DDIO reduce CPU load
- Supports 10 GbE and 25 GbE links for flexible deployment
Dual-port 25 GbE server adapter
The DELL 540-BCXX is a low-profile PCIe 4.0 x8 network card built around the Intel E810 controller. It provides two SFP28 ports for 25 Gigabit Ethernet connectivity in servers and workstations that need high-throughput wired links. The card supports RDMA, SR-IOV and VMDq for virtualised and storage-heavy workloads.
Sustained throughput with hardware offloads
On-chip QoS, traffic management and flexible port partitioning keep latency predictable when both ports run at line rate. RDMA over Converged Ethernet v2 and iWARP offload storage and compute traffic from the CPU, while DDIO places data directly in cache. These features maintain efficiency during long transfers rather than only in short bursts.
Low-profile bracket fits dense chassis
The plug-in card uses a low-profile bracket so it installs in 1U or blade systems where full-height cards cannot. Two SFP28 cages accept direct-attach copper or optical modules for rack or cross-rack links. PCIe 4.0 x8 electrical interface delivers up to 250 MB/s per direction between the adapter and the host.
Highlights
- 25 GbE dual-port throughput for high-bandwidth workloads
- PCIe 4.0 x8 interface delivers up to 250 MB/s host transfer
- Low-profile plug-in card fits space-constrained servers
- Advanced offloads including RDMA, SR-IOV and DDIO reduce CPU load
- Supports 10 GbE and 25 GbE links for flexible deployment
Specifications
| Brand | Dell |
|---|---|
| Model | 540-BCXX |
| Part Number | 540-BCXX |
| Speed | 25Gigabit |
| Connectors | 2 x SFP28 |
| Interface | PCI-Express |
| Shipping weight | 9.07 kg |
| Package size | 508 × 508 × 305 mm |
Questions about this item
How much power does the Intel E810 dual-port 25GbE card draw when running continuously?
The card uses a PCIe 4.0 x8 interface rated for up to 25 W, so typical sustained draw stays within that envelope.
What SFP28 transceivers and cables must I already have to use both 25GbE ports?
You need two 25G SFP28 modules or direct-attach cables; the card provides only the cages.
Will the PCIe 4.0 x8 adapter work in my older server that only has PCIe 3.0 slots?
Yes, the card is backward compatible with PCIe 3.0 x8 slots, operating at 3.0 speeds.
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