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PartsTable / MEMORY / 557M9
557M9 ✓ 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 DP 1Gb Network I nterface Card, Low Profile. 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→ 557M9
SPECIFICATIONS
Part Number557M9
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 557M9 MFR OEM 1GB —
KEY FEATURES
•
1GB Capacity
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
430-4408Compatible
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - DPN
compatible
430-4424Compatible
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - SPN
compatible
463-7429Compatible
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - DPN
compatible
540-11074Compatible
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - DPN
compatible
540-11136Compatible
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - DPN
compatible
540-11344Compatible
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - DPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 10
430-4408SUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
430-4424SUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
463-7429SUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
540-11074SUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
540-11136SUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
540-11344SUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
540-BBBXSUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
540-BBDESUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
540-BBGWSUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
5J77YSUBSTITUTE
Dell NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Broadcom 5720 with LP Bracket Controller - APN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 557M9?
557M9 is a Broadcom 5720 DP 1Gb Network I nterface Card, Low Profile. It is classified as a MEMORY (RDIMM).
What parts can replace 557M9?
There are 10 known substitutes for 557M9: 430-4408, 430-4424, 463-7429 and 7 more. Substitute compatibility should be verified for your specific system.
Is 557M9 still available?
557M9 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