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Technical Data Sheet
PartsTable / NETWORK / 491176-001
491176-001 ✓ Verified by PartsTable
HP · NETWORK · 1GBE_NIC
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

HP NC375T 4P 1GbE Ethernet Adapter. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
NETWORK→ 1GBE_NIC→ 491176-001
SPECIFICATIONS
Part Number491176-001
ManufacturerHP
Interface1GbE
Capacity1GB
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 491176-001 MFR HP HP NC375T 4P 1GbE Ethernet Adapter
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
538696-B21Compatible
HP NC375T 1GbE RJ-45 4-Port PCI-E-2.0x4 QLE3044 Ethernet Controller (NetXen NX3031)
compatible
539931-001Compatible
HP NC375T 1GbE RJ-45 4-Port PCI-E-2.0x4 QLE3044 Ethernet Controller (NetXen NX3031)
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
538696-B21SUBSTITUTE
HP NC375T 1GbE RJ-45 4-Port PCI-E-2.0x4 QLE3044 Ethernet Controller (NetXen NX3031)
HPE
539931-001SUBSTITUTE
HP NC375T 1GbE RJ-45 4-Port PCI-E-2.0x4 QLE3044 Ethernet Controller (NetXen NX3031)
HPE
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FREQUENTLY ASKED QUESTIONS
What is 491176-001?
491176-001 is a HP NC375T 4P 1GbE Ethernet Adapter manufactured by HP. It is classified as a NETWORK (1GBE_NIC).
What parts can replace 491176-001?
There are 2 known substitutes for 491176-001: 538696-B21, 539931-001. Substitute compatibility should be verified for your specific system.
Is 491176-001 still available?
491176-001 is currently Unknown.
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Last verified: July 2026