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00MN991 — IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 Mellanox ConnectX-4 Lx ML2 Module - Option

IBM · NIC ADAPTER
PRODUCT OVERVIEW

00MN991: IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 Mellanox ConnectX-4 Lx ML2 Module - Option.

IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 Mellanox ConnectX-4 Lx ML2 Module - Option. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number00MN991
ManufacturerIBM
Interface25GbE
Capacity25GB
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM 25GbE LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 1-PORT 10GbE | 25GbE | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 00MN991 MFR IBM IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 M
KEY FEATURES
•
25GbE Interface
•
25GB 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 2
00MN990CompatiblePARTNER
IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 Mellanox ConnectX-4 Lx ML2 Module - Option
compatible
00MN993CompatiblePARTNER
IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 Mellanox ConnectX-4 Lx ML2 Module - FRU
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
00MN990SUBSTITUTE
IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 Mellanox ConnectX-4 Lx ML2 Module - SBB
IBM
00MN993SUBSTITUTE
IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 Mellanox ConnectX-4 Lx ML2 Module - SBB
IBM
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FREQUENTLY ASKED QUESTIONS
What is 00MN991?
00MN991 is a IBM NIC 25GbE SFP28 1-Port PCI-E-3.0x8 Mellanox ConnectX-4 Lx ML2 Module - Option manufactured by IBM.
What parts can replace 00MN991?
There are 2 known substitutes for 00MN991: 00MN990, 00MN993. Substitute compatibility should be verified for your specific system.
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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.