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Please note that all ITAD Store branches will be closed on Tuesday, 30 June 2026, as a precautionary measure due to the planned national protest. The safety of our staff and customers remains our highest priority. We apologise for any inconvenience. We will be open again from Wednesday, 1 July 2026. Orders can still be placed and will be prepared and go out on Wednesday, 1 July, 2026.

Sandstone Technologies QSFP-40G-SR4-ST 850nm MM 150m Transceiver – Refurb

Save R 3,750.00 Save R 3,750.00
Original price R 5,000.00
Original price R 5,000.00 - Original price R 5,000.00
Original price R 5,000.00
Current price R 1,250.00
R 1,250.00 - R 1,250.00
Current price R 1,250.00
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We currently have 76 in stock.

The Sandstone Technologies QSFP-40G-SR4-ST is a 40 Gigabit Ethernet optical transceiver designed for short-reach multimode fiber applications. Operating at 850nm, it supports transmission distances of up to 150 meters, making it ideal for high-speed interconnects within data centers and enterprise networks where bandwidth and performance are critical.

Built for interoperability and efficiency, this transceiver complies with QSFP+ and IEEE 802.3ba standards, ensuring compatibility across a wide range of networking equipment. Its four-lane parallel design provides 40 Gbps of aggregated bandwidth, enabling reliable, low-latency connectivity in environments requiring dense, high-capacity data transport.


✔ Key Features & Benefits

High-Speed Data Transfer – Provides 40 Gbps throughput, supporting demanding applications such as virtualization, storage, and cloud computing.
Short-Reach Connectivity – Optimized for multimode fiber (MMF) up to 150m, perfect for intra–data center deployments.
Standards Compliant – Fully compliant with QSFP+ MSA and IEEE 802.3ba standards for seamless integration.
Energy Efficient – Designed with low power consumption to reduce operational costs in high-density environments.
Compact Form Factor – Space-saving design enables high port density, maximizing efficiency in rack space utilization.


✔ Ideal Uses

✔ Perfect for data center interconnects requiring short-reach high-speed links.
✔ Reliable for enterprise backbone connections with high bandwidth needs.
✔ Suitable for cloud and virtualization platforms requiring low-latency networking.
✔ Effective for storage area networks (SANs) and HPC clusters needing fast fiber connectivity.


✔ Specifications

✔ Condition: Refurbished device with minor scratches and scuffs. Device has been extensively tested and is fully functional.
✔ Brand: Sandstone Technologies
✔ Model: QSFP-40G-SR4-ST
✔ Type: 40G QSFP+ Optical Transceiver
✔ Wavelength: 850nm
✔ Reach: Up to 150m over multimode fiber (MMF)
✔ Data Rate: 40 Gbps (aggregated across 4 lanes)
✔ Fiber Type: Multimode Fiber (MMF)
✔ Connector: MPO/MTP
✔ Compliance: QSFP+ MSA, IEEE 802.3ba 40GBASE-SR4
✔ Temperature Range: Commercial Temperature (C-Temp)
✔ Warranty: 3 Month Carry-in Warranty
✔ What’s in the Box: 1 × Sandstone QSFP-40G-SR4-ST Transceiver Module