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03X4376 — Network Technical Data

LENOVO · 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

IBM NIC 1GbE RJ-45 4-Port PCI-E-2.0x4 Intel I340-T4 Controller Gen 3 for ThinkServer - Option. Key specifications include Generation: Gen3. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
03X4376
SPECIFICATIONS
GenerationGen3
FITS THESE MACHINES
Lenovo ThinkServer TS130
Lenovo ThinkServer TS430
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM 1GbE 1GbE 1GbE 1GbE LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 4-PORT 10GbE | 1GbE | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 03X4376 MFR LENOVO IBM NIC 1GbE RJ-45 4-Port PCI-E-2.0x4 In
KEY FEATURES
•
1GbE Interface
•
1GB Capacity
•
Gen3 Generation
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
0A89424CompatiblePARTNER
IBM NIC 1GbE RJ-45 4-Port PCI-E-2.0x4 Intel I340-T4 Controller Gen 3 for ThinkServer - Option
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 1
0A89424SUBSTITUTE
IBM NIC 1GbE RJ-45 4-Port PCI-E-2.0x4 Intel I340-T4 Controller Gen 3 for ThinkServer - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 03X4376?
03X4376 is a IBM NIC 1GbE RJ-45 4-Port PCI-E-2.0x4 Intel I340-T4 Controller Gen 3 for ThinkServer - Option manufactured by LENOVO.
What parts can replace 03X4376?
There is 1 known substitute for 03X4376: 0A89424. Substitute compatibility should be verified for your specific system.
Is 03X4376 still available?
03X4376 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.