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78P4004 — Network Technical Data

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IBM · TRANSCEIVER · SFP_1G
WHAT YOU NEED TO KNOW
Transceivers — match specs to PN exactly. Clarify what the customer wants: OEM compatible or actual manufacturer, new or refurbished. Get serial numbers from the vendor before buying and validate with the manufacturer before purchase. We ship tested and validated. Key checks: Clarify OEM vs compatible. Get serial numbers BEFORE buying. Validate serials with manufacturer BEFORE purchase.
Some have holograms and serial number validation
PRODUCT OVERVIEW

The IBM 16 Gbps LW SFP is a IBM optical transceiver module designed for high-speed data center interconnects. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
TRANSCEIVER→ SFP_1G→ 78P4004
SPECIFICATIONS
Part Number78P4004
ManufacturerIBM
Capacity16GB
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 78P4004 MFR IBM IBM 16 Gbps LW SFP
KEY FEATURES
•
16GB Capacity
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
AFCT57F5TMZIBYCompatible
IBM 16 Gbps LW SFP
compatible
00RY191Compatible
IBM 16 Gbps LW SFP
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78P4004?
78P4004 is a IBM 16 Gbps LW SFP manufactured by IBM. It is classified as a TRANSCEIVER (SFP_1G).
What parts can replace 78P4004?
There are 2 known substitutes for 78P4004: AFCT57F5TMZIBY, 00RY191. Substitute compatibility should be verified for your specific system.
Is 78P4004 still available?
78P4004 is currently Unknown.
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PartsTable Design LLC · partstable.com
Last verified: September 2026