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46M2221 — Network Technical Data

IBM · 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 InfiniBand DDR 4X 2-Port PCI-E-2.0x8 Mellanox ConnectX Module for BladeCenter - Option. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
46M2221
SPECIFICATIONS
Part Number46M2221
ManufacturerIBM
FITS THESE MACHINES
Lenovo System x iDataPlex dx360 Server M3
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 46M2221 MFR IBM IBM InfiniBand DDR 4X 2-Port PCI-E-2.0x8
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
44R8728CompatiblePARTNER
IBM InfiniBand DDR 4X 2-Port PCI-E-2.0x8 Mellanox ConnectX Module for BladeCenter - Option
compatible
46M2220CompatiblePARTNER
IBM InfiniBand DDR 4X 2-Port PCI-E-2.0x8 Mellanox ConnectX Module for BladeCenter - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
44R8728SUBSTITUTE
IBM InfiniBand DDR 4X 2-Port PCI-E-2.0x8 Mellanox ConnectX Module for BladeCenter - FRU
IBM
46M2220SUBSTITUTE
IBM InfiniBand DDR 4X 2-Port PCI-E-2.0x8 Mellanox ConnectX Module for BladeCenter - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 46M2221?
46M2221 is a IBM InfiniBand DDR 4X 2-Port PCI-E-2.0x8 Mellanox ConnectX Module for BladeCenter - Option manufactured by IBM.
What parts can replace 46M2221?
There are 2 known substitutes for 46M2221: 44R8728, 46M2220. Substitute compatibility should be verified for your specific system.
Is 46M2221 still available?
46M2221 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.