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PartsTable / MEMORY / 5NRFK
5NRFK ✓ Verified by PartsTable
— · MEMORY · RDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW

Broadcom 5720 QP 1Gb Network D aughter Card. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MEMORY→ RDIMM→ 5NRFK
SPECIFICATIONS
Part Number5NRFK
Capacity1GB
COMPONENT DIAGRAM
ECC 1GB 2Rx4 PC4 — RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | 1GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 5NRFK MFR OEM 1GB —
KEY FEATURES
•
1GB Capacity
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
FM487Compatible
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - APN
compatible
430-4411Compatible
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - DPN
compatible
430-4418Compatible
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - SPN
compatible
463-0709Compatible
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - DPN
compatible
540-11349Compatible
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - DPN
compatible
540-BBBWCompatible
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - SPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 8
FM487SUBSTITUTE
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - MPN
DELL
RV23KSUBSTITUTE
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - MPN
DELL
430-4411SUBSTITUTE
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - MPN
DELL
430-4418SUBSTITUTE
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - MPN
DELL
463-0709SUBSTITUTE
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - MPN
DELL
540-BBHGSUBSTITUTE
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - MPN
DELL
540-11349SUBSTITUTE
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - MPN
DELL
540-BBBWSUBSTITUTE
Dell NIC 1GbE RJ-45 4-Port PCI-E-2.0x1 Broadcom 5720 rNDC Controller - MPN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 5NRFK?
5NRFK is a Broadcom 5720 QP 1Gb Network D aughter Card. It is classified as a MEMORY (RDIMM).
What parts can replace 5NRFK?
There are 8 known substitutes for 5NRFK: FM487, 430-4411, 430-4418 and 5 more. Substitute compatibility should be verified for your specific system.
Is 5NRFK still available?
5NRFK is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026