100G QSFP
This article focuses on our 100G QSFP28 SR4 module. For the other models in our 100G QSFP family – including PSM4, CWDM4, LR4, ER4/ER4 lite, DR1, FR1, and LR1 – please contact our sales team or browse the product listings on our website.
The 100G QSFP28 SR4 is built for high‑density, short‑reach optical links inside data centers. It fully complies with IEEE 802.3bm (100GBASE‑SR4) and SFF‑8665, ensuring interoperability with standard networking equipment.
On the electrical side, each of the four lanes runs at 25.78125Gb/s. The module uses reliable 850nm VCSEL technology and a PIN receiver array, transmitting over a single MPO12 connector. Typical multimode fiber reaches are 70 meters on OM3 and 100 meters on OM4.
Power efficiency is a key strength. The SR4 consumes just 2.5W maximum from a single 3.3V supply, which helps keep your switch's thermal budget under control. It is hot‑pluggable, supports a case temperature range of 0°C to 70°C, and is RoHS compliant.
Typical applications include 100GBASE‑SR4 Ethernet links inside data center racks and leaf‑spine fabrics. Whether you are connecting top‑of‑rack switches to aggregation layers or building out a high‑performance computing cluster, the SR4 offers a proven, low‑power solution with simple MPO cabling.
FAQ
Q1: How should I store unused 100G QSFP modules?
A1: Keep them in their original anti‑static bag, inside a closed box away from direct sunlight and humidity. Ideal storage temperature is 0–40°C. Do not stack heavy objects on top. Always put the dust plug back into the optical port before storage.
Q2: How do I know if my switch supports a specific 100G QSFP variant?
A2: Check your switch's data sheet for supported optics. Many switches list "100GBASE‑SR4", "100GBASE‑LR4", "100GBASE‑CWDM4", etc. If you are unsure, we can pre‑code the module to match your switch brand. Just provide the model and firmware version.
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