Name: IBM Flex System EN4054 4-port 10 Gigabit Ethernet Adapter
Brand: IBM
SKU: 81Y3126

81Y3126 ✓ Verified by PartsTable

IBM · NETWORK · 10GBE_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

IBM Flex System EN4054 4-port 10 Gigabit 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→ 10GBE_NIC→ 81Y3126

SPECIFICATIONS

Part Number	81Y3126
Manufacturer	IBM

COMPONENT DIAGRAM

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

No verified substitutes available.

LIFECYCLE

StatusUNKNOWN

Availability—

RoHS CompliantEAR99ESD SensitiveNot HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is 81Y3126?

81Y3126 is a IBM Flex System EN4054 4-port 10 Gigabit Ethernet Adapter manufactured by IBM. It is classified as a NETWORK (10GBE_NIC).

Is 81Y3126 still available?

81Y3126 is currently Unknown.

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