APPROVED NETWORKS QSFP-100G-PSM4-A Arista XVR-10079-20

( Brand: Approved Networks ), ( Manufacturer Part Number: QSFP-100G-PSM4-A )

Review APPROVED NETWORKS Lot Of Arista Compatible

The Arista XR-10079-20 100G QSFP-100G-PSM4 switch is a high-performance networking solution designed for data center and cloud environments. This particular model is a part of Arista's Extensible Hierarchical System (EHS) and is ideal for use as a leaf or spine switch in a large-scale data center network.

The QSFP-100G-PSM4 transceiver used in this switch employs Short Wavelength Parallel Optical Signaling (SWPSM4) technology, which enables 100Gbps data transfer over multi-mode fiber (MMF) with a reach of up to 150 meters. This makes it an excellent choice for data center interconnect applications where fiber distances are relatively short.

The Arista XR-10079-20 switch is a fixed-configuration device, meaning it comes with 20 100G QSFP ports pre-installed. Each port supports both 100Gbps full duplex and 1Gbps, 10Gbps, 40Gbps, and 100Gbps half and full duplex modes, making it a versatile and future-proof networking solution.

The switch features Arista's Extensible Operating System (EOS), a highly scalable and extensible network operating system. EOS supports advanced features like route reflectors, BGP MPLS VPNs, and VXLAN, enabling the switch to be deployed in complex network environments.

Additionally, the XR-10079-20 is equipped with 1 Gbps and 10 Gbps RJ-45 management ports, allowing for easy access to the switch's web UI and command-line interface (CLI) for configuration and management.

The switch also comes with redundant, hot-swappable power supplies and fans, ensuring high availability and minimal downtime in case of component failure. The device is housed in a compact, 1 RU form factor, making it space-efficient for use in data center racks.

The Arista XR-10079-20 100G QSFP-100G-PSM4 switch is a powerful and versatile networking solution, designed for high-performance data center interconnect applications where short fiber distances are required. Its support for various speed modes, advanced features, and hot-swappable components make it a reliable and future-proof choice for your network infrastructure.

QSFP-100G-PSM4-A 10 Arista XR-10079-20 are high-performance, 100Gbps short wavelength QSFP transceivers designed for use in data center and telecommunications applications. Here are some pros and cons that can help you make an informed decision about purchasing these transceivers:

1. High Bandwidth: These transceivers offer a data transfer rate of 100Gbps, making them ideal for handling large amounts of data in data center and telecom environments.

2. Power Efficiency: The short wavelength design of these transceivers allows for lower power consumption compared to their long wavelength counterparts, making them more energy-efficient.

3. Compatibility: These transceivers are compatible with Arista's XR series switches, which are known for their high performance and scalability.

4. Low Latency: The short wavelength design of these transceivers also results in lower latency compared to long wavelength transceivers, making them suitable for applications where low latency is critical.

1. Cost: QSFP-100G-PSM4-A 10 transceivers can be more expensive compared to lower-speed alternatives.

2. Complexity: Implementing 100Gbps connectivity can be more complex compared to lower-speed connectivity, requiring specialized hardware and configuration.

3. Limited Reach: The short wavelength design of these transceivers limits their reach compared to long wavelength transceivers, making them less suitable for long-haul applications.

In conclusion, QSFP-100G-PSM4-A 10 Arista XR-10079-20 transceivers offer high bandwidth, power efficiency, low latency, and compatibility with Arista's XR series switches. However, they can be more expensive, complex to implement, and have limited reach compared to lower-speed alternatives.

If you are looking for high-speed connectivity for data center or telecom applications and are willing to invest in the infrastructure required to support these transceivers, then they are a good choice. However, if you have limited budget or reach requirements, you may want to consider lower-speed alternatives. Ultimately, the decision depends on your specific use case and requirements.

Details:

Accessories Included: None. We currently have multiple units in stock. Please see the picture and console output below for more details. Quantity: TEN 10.

Manufacturer: Approved Networks. They are used but tested and in excellent working physical condition. Where pickup is allowed it by appointments only. Free shipping charges apply only to the Lower 48 Contiguous states.

Actual shipping charges will apply to all other US states Sand Territories. The pictures below show the actual unit on sale in this listing. All are in similar condition.

part #: qsfp100gpsm4 prices

• $5.75-$1000.00

specifications switchchunk:

• brand: Approved Networks
• mpn: Qsfp-100g-psm4-a

returns switchchunk:

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

general switchchunk:

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

seller switchchunk:

• rating: 100.0%
• city: Houston, Texas
• # reviews: 6892

offer switchchunk:

• started: February 20, 2026
• sold: 1
• best offers: True
• quantity: 0
• availability: In Stock
• options: Ship-to-home

payments switchchunk:

• credit card: Mastercard
• other
• wallet: Apple-pay

shipping switchchunk:

• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, FedEx 2Day, FedEx Standard Overnight
• type: Calculated
• class: Standard, Expedited, One-day
• cost: $0.00
• transit: 4-10 Days
• carrier: USPS, FedEx

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