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1. Rate: 40G; Connector: MTP/MPO-12 Male; with DDM 2. DFB+PIN; Low Power Consumption <2.5W 3. Applied in Campus Network and Data Center 4. Fully Compatible with 100+ Vendors 5. QSFP+ MSA CompliantSee more
The Arista QSFP-40G-PLR4 compatible 40G QSFP+ transceiver module is equipped with MTP/MPO connector, reaching a link up to 10km over single-mode fiber (SMF). This 40G optical transceiver comes with a bidirectional 4-channel QSFP+ connector, enabling a total of 40 Gbps bandwidth by each channel carrying a 10 Gbps data rate. DOM/DDM (digital diagnostics monitoring) function is supported on the QSFP 40G fiber optic transceiver to achieve real-time operating parameters monitoring.
QSFPTEK manufactured 40GBASE-PSM4 QSFP+ module is compliant with QSFP+ MSA and IEEE 802.3ba 40GBASE-PSM4 specifications. Besides, the QSFP PSM4 optic has been tested on host devices to ensure full compatibility with Arista equipment, such as data center switches, enterprise routers, and server network interface cards (NICs). The third-party 40G SFP module is an ideal substitute for the Arista QSFP-40G-PLR4 QSFP+ 40G transceiver at an affordable price, providing a cost-effective compatible solution for high-performance 40G connectivity.
PSM4 40G QSFP optics cater to 40 Gigabit Ethernet (40GbE) optical fiber connections, ideal for high-performance and long-distance applications in the data center, enterprise core and distribution layers, campus networks, metro networks, etc.
Every module is quality tested for compatibility in the multi-brand switches environment, which guarantees flawless operations.

Every unit sold undergoes rigorous quality testing, to ensure compatibility in the target switch environment, guaranteeing perfect operation.

Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.


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Compatible Arista
Transceivers type QSFP-40G-PLR4
The 40GBASE-PSM4 module performed reasonably well overall, basically meeting our requirements for a 10km link. It was plug-and-play without any issues, and compatibility was also good. However, there were occasional slight delays under high load scenarios, but it's perfectly sufficient for general applications.
Transceivers typeQSFP-40G-PLR4
CompatibleArista
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I'm very satisfied! My project was extremely urgent, and I needed a large quantity of 4 x 10GBASE-LR QSFP+ breakout modules. At first, I was worried there wouldn't be enough stock, but I was surprised to see plenty available on the QSFPTEK website. Even more impressive, the order arrived in just three days—excellent service and fast delivery!
Transceivers typeQSFP-40G-PLR4
CompatibleArista
Verified Purchase
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The modules deliver stable 40G connectivity over single-mode fiber up to 10km, which perfectly meets our backbone and inter-rack communication needs. The MPO interface made installation quick and efficient, and compatibility with our existing switches.
Transceivers typeQSFP-40G-PLR4
CompatibleArista
Verified Purchase
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Since the original transceivers are expensive and we have numerous data center projects to handle as a professional company, we wanted to try third-party transceivers to save on costs. There don't seem to be any transmission issues at the moment.
Transceivers typeQSFP-40G-PLR4
CompatibleArista
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0
Good price. As long as it arrives on time and matches the description, I’ll be happy. Would buy from QSFPTEK again.
Transceivers typeQSFP-40G-PLR4
CompatibleArista
Verified Purchase
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