Refurb Squared Generic Compatible Coherent VCSEL & Broadcom DSP 400GBASE-SR4 QSFP-DD PAM4 850nm 100m MTP/MPO-12 MMF Optical Transceiver Module

Description

Refurb Squared delivers fully tested, OEM-compatible optical transceivers, DWDM/CWDM systems, media converters and DAC/AOC cables — coded for Cisco, Huawei, Juniper, Arista, HPE, Dell, Nokia and Fortinet platforms, with lifetime warranty and fast global delivery.

RS 400G QSFP-DD SR4 optical module is a multimode, four-channel (SR4) transceiver designed for 400 GbE links over up to 100 m of OM4 multimode fiber. It converts eight 50 Gb/s PAM4 electrical input channels into four 100 Gb/s PAM4 optical channels, operating at a nominal wavelength of 850 nm to deliver an aggregate data rate of 400 Gb/s. The 400G QSFP-DD SR4 optical transceiver delivers ultra-high-density 400 Gigabit Ethernet connectivity for data centers and high-performance computing (HPC) networks. It can be connected to NICs with QSFP112 or OSFP ports and is well suited for short-reach interconnects between switches and network interface cards, supporting a wide range of device-to-device interconnection scenarios.

Refurb Squared is brand of OEM-compatible optical networking products, including SFP, SFP+, QSFP+, QSFP28 and QSFP-DD transceivers, DWDM/CWDM systems, media converters, and DAC/AOC cables. Every module is 100% pre-shipment tested and coded for seamless compatibility with major platforms such as Cisco, Huawei, Juniper, Arista, HPE, Dell, Nokia and Fortinet — backed by a lifetime warranty, fast global delivery, and dedicated technical support for data centers, telecom operators, enterprise networks and system integrators worldwide.