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90Y9373 — IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 NetXtreme I Controller (BCM5720)

IBM · NIC ADAPTER
PRODUCT OVERVIEW

90Y9373: IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 NetXtreme I Controller (BCM5720). It is cited to fit LENOVO System x IBM System x3650 M4, LENOVO Uncategorized NeXtScale nx360 M5, LENOVO System x System x iDataPlex dx360 Server M3 and 23 more listed machines.

IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 NetXtreme I Controller (BCM5720). Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number90Y9373
ManufacturerIBM
Interface1GbE
Capacity1GB
FITS THESE MACHINES
Lenovo System x IBM System x3650 M4
Lenovo NeXtScale nx360 M5
Lenovo System x iDataPlex dx360 Server M3
Lenovo System x x3500 M3
Lenovo System x x3550 M3
Lenovo System x x3650 M3
Lenovo System x x3690 X5
Lenovo System x3100 M4
Lenovo System x3100 M5
Lenovo System x3200 M3
Lenovo System x3250 M3
Lenovo System x3300 M4
Lenovo System x3400 M3
Lenovo System x3500 M5
Lenovo System x3500 M4
Lenovo System x3530 M4
Lenovo System x3550 M4
Lenovo System x3550 M5
Lenovo System x3620 M3
Lenovo System x3630 M3
Lenovo System x3630 M4
Lenovo System x3650 M5
Lenovo System x3650 HD M4
Lenovo System x3750 M4
+ 2 more verified machines
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM 1GbE 1GbE LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | 1GbE | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 90Y9373 MFR IBM IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 Ne
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 2
90Y9370CompatiblePARTNER
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 NetXtreme I Controller (BCM5720) - Option
compatible
90Y9372CompatiblePARTNER
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 NetXtreme I Controller (BCM5720)
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
90Y9370SUBSTITUTE
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 NetXtreme I Controller (BCM5720) - FRU
IBM
90Y9372SUBSTITUTE
IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 NetXtreme I Controller (BCM5720) - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 90Y9373?
90Y9373 is a IBM NIC 1GbE RJ-45 2-Port PCI-E-2.0x1 NetXtreme I Controller (BCM5720) manufactured by IBM.
What parts can replace 90Y9373?
There are 2 known substitutes for 90Y9373: 90Y9370, 90Y9372. 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.