MMA4Z00-NS-ST OSFP Transceiver – Sandstone Dual 2×400GBASE-SR4, 850 nm, 50 m MMF, Finned Top

Introduction

The Sandstone Technologies MMA4Z00-NS-ST is a dual-channel OSFP transceiver delivering two independent 400GBASE-SR4 links over multimode fiber. Designed for extreme performance and thermal efficiency, this module supports 850 nm wavelength, up to 50 m reach, and features dual MPO12 connectors. With a finned top design for enhanced heat dissipation and full DDM support, this transceiver is ideal for high-capacity, short-reach deployments in hyperscale environments. Now available from PICS Telecom as tested and refurbished networking equipment.

Key Features & Benefits

• ⚡ Dual 400GBASE-SR4 Channels – Enables two high-speed 400G links per module

• 🌡 Finned Top Design – Optimizes airflow and cooling in dense switch environments

• 🔌 Dual MPO12 Interfaces – Streamlines breakout configurations and high-bandwidth aggregation

• 🚀 850 nm for Short-Reach MMF – Perfect for up to 50 m high-speed links

• ✅ Certified Refurbished by PICS Telecom – Tested for compatibility and performance

Ideal For

• ☁ Hyperscale and cloud-scale switch fabrics

• 📡 High-density aggregation and breakout designs

• 🏢 Enterprise core switching

• 🌐 OSFP-based NVIDIA and multi-vendor 400G networks

Specifications at a Glance

• Model: MMA4Z00-NS-ST

• Brand: Sandstone Technologies

• Form Factor: OSFP

• Data Rate: 2 × 400 Gbps

• Distance: 50 m

• Wavelength: 850 nm

• Fiber Type: Multimode Fiber (MMF)

• Connector: Dual MPO12

• Features: DDM, C-Temp, Finned Top

• Compliance: MSA-compliant, NVIDIA-compatible

Conclusion

Unlock dual 400G performance with the Sandstone MMA4Z00-NS-ST, a high-efficiency, short-reach OSFP transceiver designed for modern hyperscale networks. Now available through PICS Telecom’s inventory of fully tested and certified refurbished optics. Visit www.picstelecom.com or marketplace.picstelecom.com to place your order or connect with our optics specialists for tailored recommendations and bulk pricing.