ARISTA CAB-Q-4S-100G-2M Qsfp Sfp Twinax Coppe 100GBASE-CR4 25GBASE-CR

( Brand: Arista ), ( Manufacturer Part Number: CAB-Q-4S-100G-2M )

Review ARISTA New 100gbase-cr4 Qsfp To 25gbase-cr Sfp Twinax Coppe

The Arista CAB-Q-4S-100G-2M is a versatile and high-performance Quad Small Form-factor Pluggable (QSFP-DD) transceiver module designed for use with Arista 7000X series switches. This module supports both 100GBASE-CR4 and 25GBASE-CR interfaces, making it an excellent choice for data center applications that require both high-speed interconnects and flexibility.

The 100GBASE-CR4 interface on this transceiver delivers a maximum data transfer rate of 100 Gbps over a single lane, utilizing a Copper Twinax cable with a length of up to 2 meters. It is ideal for connecting servers or switches within the same rack or short-distance inter-rack connections. The 25GBASE-CR interface, on the other hand, offers a data transfer rate of 25 Gbps over a single lane and can be used for uplinks or for server connectivity.

The Arista CAB-Q-4S-100G-2M features a compact design, measuring 30.5mm x 14.7mm x 7.4mm, and is RoHS compliant, ensuring minimal environmental impact. The module is also fully compliant with the IEEE 802.3bs standard, providing seamless interoperability with other network devices.

The transceiver module's advanced design allows for dual-protocol support, enabling it to operate in both 100GBASE-CR4 and 25GBASE-CR modes without the need for any manual configuration changes. This feature simplifies network management, reduces downtime, and increases overall network efficiency.

The Arista CAB-Q-4S-100G-2M is a high-quality, reliable, and versatile transceiver module that delivers the performance and flexibility required by modern data center networks. Its support for both 100G and 25G interfaces and its compact, RoHS-compliant design make it an excellent choice for a wide range of applications.

Arista CAP-Q 4S-100G 2M QSFP-DD 100GBASE-CR4 and 25GBASE-CR SFP Twinax Copper transceivers are high-speed optical modules used for data center interconnects. Here are the pros and cons of buying these transceivers:

1. High-Speed: These transceivers offer high-speed connectivity with 100GBASE-CR4 for 100GbE and 25GBASE-CR for 25GbE, making them suitable for data-intensive applications.

2. Long Reach: The 2M (2 meters) twinax copper cable length of these transceivers makes them ideal for short-range connections within a data center, reducing the need for fiber optic cables.

3. Compatibility: These transceivers are compatible with Arista switches, ensuring seamless integration into existing data center infrastructure.

4. Reliability: Arista is a well-known brand in the data center networking industry, and these transceivers are designed to meet the demanding requirements of data center applications.

1. Cost: These transceivers are more expensive compared to their fiber optic counterparts, which might be a concern for some organizations with limited budgets.

2. Limited Reach: The 2M twinax copper cable length might not be suitable for longer distance connections, and fiber optic cables might be required for such applications.

3. Power Consumption: These transceivers consume more power compared to their fiber optic counterparts, which might result in higher energy costs.

The Arista CAP-Q 4S-100G 2M QSFP-DD 100GBASE-CR4 and 25GBASE-CR SFP Twinax Copper transceivers offer high-speed connectivity and compatibility with Arista switches. However, they have a limited reach, higher cost, and consume more power compared to their fiber optic counterparts.

If your data center infrastructure requires short-range, high-speed connectivity, and you're using Arista switches, then these transceivers are a good choice. However, if you need longer reach or have a limited budget, fiber optic transceivers might be a more cost-effective solution. It's essential to evaluate your specific use case and requirements before making a purchase decision.

Details:

Eden Prairie, MN 55344. Our Platforms. Quantity Available: 250. Global shipping available to most locations.

Rhino stocks just about all things HP, IBM, Dell, Sun, Cisco and Juniper, both new refurbished. Shipping Details. New CAB-Q-4S-100G-2M ARISTA 100GBASE-CR4 QSFP to 4 x 25GBASE-CR SFP Twinax Copper Cable, 2 meter. Manufacturer: ARISTA.

Part number: CAB-Q-4S-100G-2M. Ships: Today. On the image below to get zoomed view of Item. Condition: New Factory Sealed.

part #: cabq4s100g2m prices

• $25.00-$68.99

specifications switchchunk:

• brand: Arista
• mpn: Cab-q-4s-100g-2m

general switchchunk:

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

offer switchchunk:

• options: Ship-to-home
• best offers: True
• sold: 0
• started: May 26, 2026
• availability: In Stock

shipping switchchunk:

• class: Standard, Expedited, One-day
• carrier: UPS
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver
• cost: $0.00
• type: Calculated
• transit: 2-4 Days

seller switchchunk:

• city: Eden Prairie, Minnesota
• # reviews: 11332
• rating: 99.8%

payments switchchunk:

• wallet: Paypal
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• other

returns switchchunk:

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

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