1. Enterprise Network Switch Modules Parts
  2. sku: 9212543294707603
  3. PRECISION OPTICAL TECHNOLOGY PRE-QSFP-SR4-ARST

PRECISION OPTICAL TECHNOLOGY PRE-QSFP-SR4-ARST Arista Mmf Qsfp 40G 300M

Pre-qsfp-sr4-arst Precision Optical Technology Lot Of 8 - Arista Compatible Qsfp 40g Mmf 300m

( Brand: Precision Optical Technology ), ( Manufacturer Part Number: PRE-QSFP-SR4-ARST ), ( Compatible Brand: Arista ), ( Unit Type: Unit ), ( Network Ports: Qsfp ), ( Maximum Data Rate: 40 Gbps )

Review PRECISION OPTICAL TECHNOLOGY Lot Of Arista Compatible Qsfp 40gmm 300m

Introducing the Arista Precision Optical Pre-QSFP-SR4-ARST Transceiver Module, a high-performance, 40Gbps optical transceiver designed for data center applications. This transceiver module utilizes Multi-Mode Fiber (MMF) with a reach of 300 meters, making it an excellent choice for short-range, high-bandwidth connectivity.

The Arista Precision Optical Pre-QSFP-SR4-ARST is built with a Quad Small Form-factor Pluggable (QSFP) connector interface, allowing for easy and flexible installation. The compact design reduces the footprint required for high-speed connectivity, making it an ideal solution for data center environments where space is a premium.

This transceiver module is designed with Arista's Advanced RS-DBFI Technology (ARST), which ensures reliable signal transmission and reduces power consumption. ARST utilizes retimer technology to compensate for signal degradation and maintain signal integrity, even over long fiber runs. Additionally, ARST reduces power consumption by allowing the transceiver to enter a low-power state when there is no data being transmitted.

The Arista Precision Optical Pre-QSFP-SR4-ARST is compatible with Arista 7000X Series Switches and other compatible QSFP networks. It is also RoHS compliant and supports both bi-directional and multi-mode fiber cables.

This transceiver module undergoes rigorous testing to ensure it meets the highest standards for performance, reliability, and compatibility. With its advanced features, compact design, and robust performance, the Arista Precision Optical Pre-QSFP-SR4-ARST Transceiver Module is an excellent choice for anyone in need of a high-bandwidth, short-reach optical transceiver solution for their data center infrastructure.

Precision Optical QSFP-SR4-ARST transceivers are high-speed optical transceivers developed by Arista Networks. These transceivers support 40Gbps data transfer rates over multimode fiber (MMF) with a maximum reach of 300 meters. Here are some pros and cons of buying these transceivers:

Pros:

1. High-speed data transfer: With a data transfer rate of 40Gbps, these transceivers are ideal for high-bandwidth applications such as data centers, financial institutions, and research organizations.

2. Longer reach: The 300-meter reach of these transceivers makes them suitable for use in longer cabling distances, reducing the need for fiber optic repeaters.

3. Energy efficiency: Precision Optical QSFP-SR4-ARST transceivers are designed to be energy efficient, reducing power consumption and lowering operational costs.

4. Compatibility: These transceivers are compatible with a wide range of networking equipment from various vendors, making them a versatile choice for different network environments.

Cons:

1. Cost: Precision Optical QSFP-SR4-ARST transceivers are more expensive compared to other types of transceivers due to their high-speed capabilities and longer reach.

2. Complexity: Installing and configuring these transceivers may require additional expertise and resources, which can add to the overall cost and complexity of the network.

3. Limited reach compared to single-mode fiber: While the 300-meter reach of these transceivers is impressive, it is still limited compared to single-mode fiber (SSF) transceivers, which can support much longer distances.

Conclusion:

Precision Optical QSFP-SR4-ARST transceivers offer high-speed data transfer capabilities and longer reach compared to other multimode fiber transceivers. However, they come with a higher cost and additional complexity. If your networking requirements include high-bandwidth applications and longer cabling distances, these transceivers may be a worthwhile investment. On the other hand, if you have shorter cabling distances or lower bandwidth requirements, you may want to consider other types of transceivers that offer a lower cost and simpler installation process.

Recommendation:

If your networking infrastructure requires high-speed data transfer and longer cabling distances, Precision Optical QSFP-SR4-ARST transceivers are a solid choice. However, it is essential to consider the additional cost and complexity associated with these transceivers and ensure that your team has the expertise to install and configure them correctly. If you have lower bandwidth requirements or shorter cabling distances, you may want to consider other types of multimode fiber transceivers that offer a lower cost and simpler installation process. Ultimately, the decision to invest in Precision Optical QSFP-SR4-ARST transceivers should be based on your specific networking needs and budget.

Details:

Orders outside the US are not protected by us or covered any kind of warranty. Once the packages leave USA. The picture is the original. Condition: The modules were removed from a working environment, the pull tab has some warping to it but none are broken.

Products used in foreign outlet's without proper use of a voltage adapter/converter will not be covered. All corded products are designed to work with North American 110/120V outlet's only.

part #: preqsfpsr4 prices

  • $85.00-$110.00

specifications switchchunk:

  • brand: Precision Optical Technology
  • mpn: Pre-qsfp-sr4-arst
  • compatible brand: Arista
  • unit type: Unit
  • network ports: Qsfp
  • maximum data rate: 40 Gbps

returns switchchunk:

  • method: Money back
  • paid by: Buyer
  • time: 30 Days
  • policy: Returns Accepted

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  • # reviews: 1633
  • city: Newark, California
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  • class: Standard
  • transit: 8-14 Days
  • carrier: USPS, UPS, FedEx
  • cost: $0.00
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  • service: USPS Ground Advantage, UPS Ground, FedEx Ground / FedEx Home Delivery

offer switchchunk:

  • availability: In Stock
  • options: Ship-to-home
  • started: January 12, 2026
  • sold: 0
  • quantity: 1
  • best offers: True

general switchchunk:

  • Enterprise Networking, Servers > Switches Hubs > Switch Modules
  • condition: Used
compatible brand: arista, unit type: unit, network ports: qsfp, maximum data rate: 40 gbps,
category: computers > enterprise networking, servers > switches hubs > switch modules, sku: 9212543294707603,

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