PSM4 (Parallel Single Mode 4) and SR4 (Short Range 4) are both optical transceiver technologies used in data center and high-performance computing environments, but they have key differences:Fiber Type:PSM4: PSM4 transceivers use single-mode fiber (SMF). Single-mode fiber is designed for longer-distance transmission and is capable of carrying signals over larger distances with lower attenuation.SR

QSFP+ (Quad Small Form-factor Pluggable Plus) and QSFP28 (Quad Small Form-factor Pluggable 28) are both types of transceiver modules used in high-speed data communication applications, particularly in data centers and high-performance computing environments. The primary difference between them lies in the maximum data rate they support:QSFP+:Data Rate: Supports data rates up to 40 gigabits per sec

It seems there might be a confusion in your question. DR4 and FR4 typically refer to different things, and they are not directly comparable.DR4:Digital Radiography (DR): DR commonly stands for Digital Radiography in the medical field. It is an advanced form of X-ray imaging that uses digital sensors to capture and display X-ray images in real-time.FR4:FR4 (Flame Retardant 4): FR4 is a grade design

Both 100G CWDM4 (Coarse Wavelength Division Multiplexing 4) and 100G LR4 (Long-Range 4) are optical transceiver modules designed for 100 Gigabit Ethernet (100GbE) applications, but they use different technologies for achieving high-speed data transmission. Here are the key differences between 100G CWDM4 and 100G LR4: Wavelengths and Multiplexing:100G CWDM4: CWDM4 uses Coarse Wavelength Divisi

The power consumption of QSFP-DD (Quad Small Form-Factor Pluggable Double Density) transceiver modules can vary depending on the specific module type, its configuration, and the optical technology used. QSFP-DD modules are designed to support higher data rates, such as 200 Gbps and 400 Gbps, compared to their predecessors.400G QSFP-DDAs of my knowledge cutoff date in January 2022, the maximum powe