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PartsTable / ACCESSORY / 49Y4231
49Y4231 ✓ Verified by PartsTable
IBM · ACCESSORY · 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 Dual-Port Server Adapter I340-T2. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ACCESSORY→ ADAPTER→ 49Y4231
SPECIFICATIONS
Part Number49Y4231
ManufacturerIBM
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 49Y4231 MFR IBM IBM Dual-Port Server Adapter I340-T2
TYPICAL APPLICATIONS
  • Enterprise virtualization (VMware vSphere, Hyper-V)
  • Private cloud infrastructure (OpenStack, Azure Stack)
  • Email and collaboration platforms (Exchange, SharePoint)
  • High-availability clustering and failover
  • DevOps and CI/CD pipeline hosting
  • Remote desktop and VDI infrastructure
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
49Y4230Compatible
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x4 I340-T2 LP Controller (Intel 82580) - Option
compatible
49Y4232Compatible
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x4 I340-T2 LP Controller (Intel 82580)
compatible
49Y4233Compatible
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x4 I340-T2 LP Controller (Intel 82580) - SBB
compatible
94Y5166Compatible
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x4 I340-T2 LP Controller (Intel 82580) - FRU
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 4
94Y5166SUBSTITUTE
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x4 I340-T2 LP Controller (Intel 82580) - FRU
IBM
49Y4230SUBSTITUTE
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x4 I340-T2 LP Controller (Intel 82580) - FRU
IBM
49Y4232SUBSTITUTE
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x4 I340-T2 LP Controller (Intel 82580) - FRU
IBM
49Y4233SUBSTITUTE
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x4 I340-T2 LP Controller (Intel 82580) - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 49Y4231?
49Y4231 is a IBM Dual-Port Server Adapter I340-T2 manufactured by IBM. It is classified as a ACCESSORY (ADAPTER).
What parts can replace 49Y4231?
There are 4 known substitutes for 49Y4231: 49Y4230, 49Y4232, 49Y4233 and 1 more. Substitute compatibility should be verified for your specific system.
Is 49Y4231 still available?
49Y4231 is currently Unknown.
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Last verified: July 2026