Cisco Systems Transceiver Modules

Cisco Systems DWDM-SFP-3190= Part #: DWDM-SFP-3190=	Cisco Systems DWDM-SFP-3268= Part #: DWDM-SFP-3268=	Cisco Systems DWDM-SFP-3346= Part #: DWDM-SFP-3346=
Cisco Systems DWDM-SFP-3425= Part #: DWDM-SFP-3425=	Cisco Systems DWDM-SFP-3504= Part #: DWDM-SFP-3504=	Cisco Systems DWDM-SFP-3582= Part #: DWDM-SFP-3582=
Cisco Systems DWDM-SFP-3661= Part #: DWDM-SFP-3661=	Cisco Systems DWDM-SFP-3739= Part #: DWDM-SFP-3739=	Cisco Systems DWDM-SFP-3819= Part #: DWDM-SFP-3819=

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November 12, 2025

Terabit Systems

Technician inspecting network switches in a data center with caption.

The Case for Second-Hand: Why Smart Network Teams Are Buying Refurbished Gear

The enterprise IT world has a bias toward the new: new gear, new firmware, new models. But for many network operators, architects, and data center managers, that’s starting to change. The cost, complexity, and delay of buying brand-new hardware is pushing smart teams to rethink their...

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