Home » Products » Linear Pluggable Optics (LPO Transceivers) » SiPh 400G QSFP112 DR4 LPO Optical Transceiver

Silicon Photonics 400G QSFP112 DR4 LPO Optical Transceiver

The Phosilink Silicon Photonics 400G QSFP112 DR4 LPO Optical Transceiver is a hot-pluggable module designed for 400Gbps Ethernet links over up to 500m of single-mode fiber. This no-DSP, linear-drive solution offers ultra-low EMI emissions and operates with a power consumption of ≤5W. Featuring 1310nm laser diodes and a silicon photonic integrated circuit (PIC), it supports 4x100Gbps lanes for high-performance data transmission. Hot-pluggable in a QSFP112 form factor, this transceiver is compliant with QSFP112 DR4, IEEE 802.3, and CMIS standards, operating within a temperature range of 0°C to 70°C, ideal for data center and AI computing applications.

Specifications

Product Description400G QSFP112 DR4 LPOForm FactorQSFP112
Data Rate400 GbpsData Rate/Lane100 Gbps
Solution1310nm LD + silicon PICWavelength1310nm
ConnectorMPO-12MediaSMF
TX Power-2.9~4dBmTDECQ1.5dB
Sensitivity @ 1E-6-5dBmPower Consumption≤5W
Transmission Distance500mTemperature Range0 to 70°C
ProtocolsQSFP112 MSA, IEEE 802.3, and CMIS

Key Features

Integrated 1310nm laser with silicon photonics technology
No DSP, linear driver
Ultralow EMI emissions
Hot-pluggable QSFP112 form factor
Supports 400Gbps aggregate data rate with 4x100Gbps lanes
Transmission distance of up to 500m over single-mode fiber (SMF)
Power consumption ≤5W
Compliant with QSFP112 DR4, IEEE 802.3, and CMIS standards
Operating temperature range: 0°C to 70°C
RoHS compliant

Application

Data Center
40GBASE Ethernet
Infiniband

Technology platform
Phosilink® Silicon Photonics

Phosilink provides high-speed silicon photonics transceivers, leveraging PIC and EPIC technologies to deliver unmatched efficiency, scalability, and performance for data centers, AI, and telecom networks.

Not sure which solution fits your needs?
Schedule a consultation with our experts to find the perfect fit for your network.