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540-BBCQ — Network Technical Data

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DELL · NIC ADAPTER
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

Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - MPN. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
540-BBCQ
SPECIFICATIONS
Part Number540-BBCQ
ManufacturerDELL
Interface10GbE
Capacity10GB
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM 10GbE 10GbE 10GbE 10GbE LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 4-PORT 10GbE | 10GbE | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 540-BBCQ MFR DELL Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic
KEY FEATURES
•
10GbE Interface
•
10GB Capacity
TYPICAL APPLICATIONS
  • Data center top-of-rack switching
  • High-speed server interconnects (10G/25G/40G/100G)
  • Storage network fabric (iSCSI, FCoE)
  • Campus and branch network infrastructure
  • Firewall and security appliance connectivity
  • WAN edge and SD-WAN deployments
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
JNK9NCompatiblePARTNER
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller v2 - APN
compatible
32C4RCompatiblePARTNER
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - APN
compatible
407-0021CompatiblePARTNER
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - DPN - Gen 12/13
compatible
540-BBETCompatiblePARTNER
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller v2 - DPN
compatible
540-BCHRCompatiblePARTNER
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller v2 - SPN
compatible
6NK4WCompatiblePARTNER
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - MPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 8
JNK9NSUBSTITUTE
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - SPN - Gen 12/13
DELL
TKR5KSUBSTITUTE
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - SPN - Gen 12/13
DELL
WF5HHSUBSTITUTE
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - SPN - Gen 12/13
DELL
32C4RSUBSTITUTE
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - SPN - Gen 12/13
DELL
407-0021SUBSTITUTE
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - SPN - Gen 12/13
DELL
540-BBETSUBSTITUTE
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - SPN - Gen 12/13
DELL
540-BCHRSUBSTITUTE
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - SPN - Gen 12/13
DELL
6NK4WSUBSTITUTE
Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - SPN - Gen 12/13
DELL
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FREQUENTLY ASKED QUESTIONS
What is 540-BBCQ?
540-BBCQ is a Dell NIC 10GbE 4-Port PCI-E-3.0x8 QLogic 57840S-K CNA bNDC Controller - MPN manufactured by DELL.
What parts can replace 540-BBCQ?
There are 8 known substitutes for 540-BBCQ: JNK9N, 32C4R, 407-0021 and 5 more. Substitute compatibility should be verified for your specific system.
Is 540-BBCQ still available?
540-BBCQ is currently Unknown.
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Last verified: September 2026