90Y4956 — Network Technical Data

IBM · SFP TRANSCEIVER

WHAT YOU NEED TO KNOW

SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it

MATCH ALL THREE: Speed + Wavelength + Brand compatibility

PRODUCT OVERVIEW

IBM Infiniband FDR-10/QDR QSFP 2-Port Mellanox ConnectX-3 Mezzanine Module - Option. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

90Y4956

SPECIFICATIONS

Part Number	90Y4956
Manufacturer	IBM

FITS THESE MACHINES

Lenovo System x IBM System x3650 M4

Lenovo System x3550 M4

Lenovo System x3650 HD M4

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

SUBSTITUTES & CROSS-REFERENCES 1

90Y6338CompatiblePARTNER

IBM Infiniband FDR-10/QDR QSFP 2-Port Mellanox ConnectX-3 Mezzanine Module - Option

compatible

LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 1

90Y6338SUBSTITUTE

IBM Infiniband FDR-10/QDR QSFP 2-Port Mellanox ConnectX-3 Mezzanine Module - FRU

IBM

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FREQUENTLY ASKED QUESTIONS

What is 90Y4956?

90Y4956 is a IBM Infiniband FDR-10/QDR QSFP 2-Port Mellanox ConnectX-3 Mezzanine Module - Option manufactured by IBM.

What parts can replace 90Y4956?

There is 1 known substitute for 90Y4956: 90Y6338. Substitute compatibility should be verified for your specific system.

Is 90Y4956 still available?

90Y4956 is currently Unknown.

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90Y4956 — Network Technical Data

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