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00YK551 — Network Technical Data

LENOVO · 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

Lenovo Broadcom 5719 1GbE RJ45 4-Port PCIe Ethernet Adapter. 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→ 00YK551
SPECIFICATIONS
Part Number00YK551
ManufacturerLENOVO
Interface1GbE
Capacity1GB
FITS THESE MACHINES
Lenovo ThinkSystem SR630 V1
Lenovo ThinkSystem SR630 V2
Lenovo ThinkSystem SR650 V1
Lenovo ThinkSystem SR650 V2
Lenovo ThinkSystem ST50
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM 1GbE 1GbE 1GbE 1GbE LINK ACT PCIe ~167 mm NETWORK ADAPTER | 4-PORT 10GbE | 1GbE | Full Height PCIe | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 00YK551 MFR LENOVO Lenovo Broadcom 5719 1GbE RJ45 4-Port PC
KEY FEATURES
•
1GbE Interface
•
1GB 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
SUBSTITUTES & CROSS-REFERENCES 1
7ZT7A00484SubstituteBROKER-VERIFIED
ThinkSystem Broadcom 5719
substitute
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 1
7ZT7A00484SUBSTITUTE
IBM NIC 1GbE RJ-45 4-Port PCI-E-2.0x4 NetXtreme I Controller (BCM5719) for ThinkSystem - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 00YK551?
00YK551 is a Lenovo Broadcom 5719 1GbE RJ45 4-Port PCIe Ethernet Adapter manufactured by LENOVO. It is classified as a NETWORK (1GBE_NIC).
What parts can replace 00YK551?
There is 1 known substitute for 00YK551: 7ZT7A00484. Substitute compatibility should be verified for your specific system.
Is 00YK551 still available?
00YK551 is currently Unknown.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.