PartsTable
Technical Data Sheet
PartsTable / NETWORK / 540-BBYI
540-BBYI ✓ Verified by PartsTable
DELL · NETWORK · 1GBE_NIC
WHAT YOU NEED TO KNOW
RJ45 = copper (needs CAT6) | SFP+ = fiber (needs transceiver) FLR = FlexibleLOM (HPE integrated) — NOT standard PCIe
Bracket height MUST match chassis — Full Height (2U) vs Low Profile (1U)
PRODUCT OVERVIEW

The Gigabit Ethernet PCI-Express® Network Interface Card from Dell™ is ideal for connecting your server to your network. The Gigabit Dual Port Server Adapter proven to be reliable and standards-based solutions. This product has been tested and validated on Dell systems.

It is supported by Dell Technical Support when used with a Dell system. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
NETWORK→ 1GBE_NIC→ 540-BBYI
SPECIFICATIONS
InternalYes
InterfaceEthernet
Component forServer
Host interfacePCI Express
Expansion slots25 Gigabit SFP28 x 2
Quantity per pack1 pc(s)
Data link protocols25 Gigabit LAN
PCI Card form factorFull-height
Connectivity technologyWired
Ethernet interface type25 Gigabit Ethernet
Maximum data transfer rate25000 Mbit/s
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 540-BBYI MFR DELL 540-BBYI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
51GRMCompatible
Dell NIC 25GbE SFP28 2-Port PCI-E-3.0x8 Qlogic QL41262 with FH Bracket Controller - APN
compatible
540-BBYLCompatible
Dell NIC 25GbE SFP28 2-Port PCI-E-3.0x8 Qlogic QL41262 with FH Bracket Controller - SPN
compatible
86P4VCompatible
Dell NIC 25GbE SFP28 2-Port PCI-E-3.0x8 Qlogic QL41262 with FH Bracket Controller - MPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
51GRMSUBSTITUTE
Dell NIC 25GbE SFP28 2-Port PCI-E-3.0x8 Qlogic QL41262 with FH Bracket Controller - DPN
DELL
540-BBYLSUBSTITUTE
Dell NIC 25GbE SFP28 2-Port PCI-E-3.0x8 Qlogic QL41262 with FH Bracket Controller - DPN
DELL
86P4VSUBSTITUTE
Dell NIC 25GbE SFP28 2-Port PCI-E-3.0x8 Qlogic QL41262 with FH Bracket Controller - DPN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 540-BBYI?
540-BBYI is a 540-BBYI manufactured by DELL. It is classified as a NETWORK (1GBE_NIC).
What parts can replace 540-BBYI?
There are 3 known substitutes for 540-BBYI: 51GRM, 540-BBYL, 86P4V. Substitute compatibility should be verified for your specific system.
Is 540-BBYI still available?
540-BBYI is currently Unknown.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026