1. Enterprise Network Switch Modules Parts
  2. sku: 9634921653251741
  3. ARISTA EM-QSFP-40G-SR4

ARISTA EM-QSFP-40G-SR4 Mmf Transceiver Module 2X Qsfp

Em-qsfp-40g-sr4 Arista 2x 40g Qsfp Sr4 Mmf Transceiver Module

( Brand: Arista ), ( Manufacturer Part Number: EM-QSFP-40G-SR4 ), ( Part Type: Transceiver Module ), ( Maximum Data Rate: 40 Gbps ), ( Item Height: 0.55 In ), ( Item Length: 3.5 In ), ( Item Width: 0.87 In )

Review ARISTA 2x 40g Qsfp Sr4mm Transceiver Module

The Arista EM-QSFP-40G-SR4 2x 40G QSFP SR4 mmWave Transceiver Module is a high-performance, short-wavelength optical transceiver designed for use in data centers and other high-bandwidth applications. This transceiver utilizes two QSFP (Quad Small Form-factor Pluggable Plus) ports, each capable of delivering 40 Gbps of bi-directional data transfer, making it an ideal solution for 40GbE (Fourty Gigabit Ethernet) applications.

Each port on the Arista EM-QSFP-40G-SR4 module supports a reach of up to 150 meters using single-mode fiber (SMF) cabling. The transceiver's Short Wavelength (SW) design ensures high-speed data transmission and is particularly well-suited for use in environments where distance and signal integrity are critical.

The Arista EM-QSFP-40G-SR4 module is built with a compact form factor, making it easy to integrate into existing infrastructure. Its rugged design ensures reliable operation even in demanding environments, while its low power consumption helps to minimize energy costs.

Additionally, this transceiver is fully compliant with the QSFP MSA (Multi-Source Agreement) and supports both Active and Passive Cooling, providing flexibility in system design. It also features a built-in monitoring interface, allowing for real-time monitoring of key performance indicators such as temperature, receiver optical power, and transmitter optical power.

In summary, the Arista EM-QSFP-40G-SR4 2x 40G QSFP SR4 mmWave Transceiver Module is a robust and high-performance solution for 40GbE applications. Its short-wavelength design, support for single-mode fiber cabling, and compact form factor make it an ideal choice for data centers and other high-bandwidth environments. With its rugged design, compliance with industry standards, and built-in monitoring interface, this transceiver offers the reliability, flexibility, and performance that today's demanding networks require.

Arista EM-QSFP-40G-SR4 2x 40G QSFP SR4 mmf Transceiver Modules are high-speed optical transceivers used for data transmission between networking devices. Here are the pros and cons of buying these transceivers:

Pros:

1. High-speed data transfer: These transceivers support 40Gbps data transfer rate, making them an ideal choice for high-bandwidth applications.

2. Compatibility: Arista transceivers are known for their compatibility with various networking equipment, ensuring seamless integration with your existing infrastructure.

3. Reliability: Arista is a trusted brand in the networking industry, and their transceivers are known for their high reliability and durability.

4. Long-reach capability: These transceivers support a reach of up to 10 kilometers, making them suitable for use in data centers and other large-scale networking environments.

5. Energy efficient: Arista transceivers consume less power compared to other high-speed transceivers, reducing energy costs and contributing to a greener IT environment.

Cons:

1. Cost: Arista transceivers may be more expensive compared to other brands, making them a significant investment for some organizations.

2. Limited supplier options: Arista transceivers can only be purchased directly from Arista or their authorized distributors, limiting the options for price comparison and availability.

3. Compatibility with non-Arista switches: While Arista transceivers are known for their compatibility with various networking equipment, they may not be fully compatible with all non-Arista switches, requiring additional configuration or firmware updates.

Conclusion:

Arista EM-QSFP-40G-SR4 2x 40G QSFP SR4 mmf Transceiver Modules offer high-speed data transfer, reliability, and long-reach capability, making them an excellent choice for organizations with high-bandwidth networking requirements. However, they may be more expensive compared to other brands and have limited supplier options. If the cost is not a concern and compatibility with Arista switches is a priority, these transceivers are a recommended investment. For organizations with budget constraints or the need for compatibility with non-Arista switches, alternative options may be considered.

Details:

Reliable Products. Manufacturer: ARISTA. Condition: C5/F4, Product Condition Standards R2v3. C0 Not Categorized: Item not yet evaluated or categorized.

You get exactly what you see. Each listing clearly indicates the Cosmetic Condition C# and Functional F#. 2X Arista EM-QSFP-40G-SR4 40G QSFP SR4mm F Transceiver Module: QSFP-40G-SR4 Optical Module is a 40 Gigabit Ethernet optical transceiver designed for short-reach multi mode fiber networks. It provides high-speed connectivity for switches, routers, servers, and network backbone links in data centers, enterprise networks, campus environments.

C1 Damaged: Not reusable.

part #: emqsfp40gsr4 price

  • $24.99

specifications switchchunk:

  • brand: Arista
  • mpn: Em-qsfp-40g-sr4
  • part type: Transceiver Module
  • maximum data rate: 40 Gbps
  • item height: 0.55 In
  • item length: 3.5 In
  • item width: 0.87 In

general switchchunk:

  • condition: Used
  • Enterprise Networking, Servers > Switches Hubs > Switch Modules

offer switchchunk:

  • best offers: True
  • quantity: 1
  • options: Ship-to-home
  • started: February 13, 2026
  • sold: 0
  • availability: In Stock

shipping switchchunk:

  • type: Calculated
  • transit: 5-8 Days
  • class: Economy, Standard
  • service: FedEx Ground Economy, UPS Ground
  • carrier: FedEx, UPS
  • cost: $6.90

returns switchchunk:

  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted
  • time: 14 Days

payments switchchunk:

  • other
  • wallet: Paypal
  • credit card: Discover

seller switchchunk:

  • rating: 99.8%
  • city: Hudson, New Hampshire
  • # reviews: 3381
part type: transceiver module, maximum data rate: 40 gbps, item height: 0.55 in, item length: 3.5 in, item width: 0.87 in,
category: computers > enterprise networking, servers > switches hubs > switch modules, sku: 9634921653251741,

Arista EM-QSFP-40G-SR4 Is Similar To:

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1 offer $24.99 USD
  • Offer #1: $24.99 price + $6.90 shipping estimate = $31.89* total. ). Arista QSFP-40G-SR4 Optical Transceiver Module is a40 Gigabit Ethernet optical transceiver designed forshort-reach multimode fiber networks.+$6.90 shipping

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