Name: DCS-7500R-36Q-LC Arista 36x QSFP+ Ports 40GBase-X Line Card for 7500R Series
Brand: Arista Networks
SKU: DCS-7500R-36Q-LC
Price: 749.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The DCS-7500R-36Q-LC from Arista offers 36 QSFP+ ports for 40 Gigabit Ethernet, fitting into the 7500R series chassis. It’s meant to boost port density and bandwidth in environments like data centers, providing solid performance without adding unnecessary complexity.

General Information
Brand	Arista Networks
Part Number	DCS-7500R-36Q-LC
Condition	Refurbished

Technical Information
Switch Ports	36
Number of Ports	36-Ports
Port Type	QSFP / QSFP+
Port Speed	40GBase-X
POE Support	No
Switching Capacity	1.44 Tbps (aggregate 36 x 40Gb), 2.88 Tbps (full duplex)
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 3
Connector Type	QSFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Remote Protocols	Yes
Management Type	Chassis/Line-Card (requires 7500R chassis and system modules)
Remote Management Protocol	CLI (SSH), SNMP (via chassis EOS)

Physical Characteristics
Weight	5.00

Product Description
This line card provides 36 QSFP+ ports capable of handling 40 Gigabit Ethernet connections, making it suitable for large-scale network environments. It is built for the Arista 7500R series chassis and allows for dense, high-speed data aggregation and distribution. Often found in data centers and enterprise networks, the card supports applications that require efficient, low-latency switching and high bandwidth. Network engineers and administrators use it to expand the capacity of their switching infrastructure without compromising performance. Key Features High port density with 36 QSFP+ slots for 40GBase-X links Optimized for seamless integration into 7500R chassis Supports advanced switching features of Arista OS Designed for minimal latency to improve data flows Robust construction suitable for demanding network environments This line card is frequently deployed in core or aggregation layers where high throughput and port density are needed. It plays a key role in maintaining smooth data center operations by handling heavy traffic loads and facilitating scalable network growth.

Use Cases
The DCS-7500R-36Q-LC line card is commonly deployed in large-scale data centers and enterprise core networks where high port density and substantial 40Gbps bandwidth are critical. Network architects and engineers managing virtualized infrastructures and storage clusters benefit from its integration into the Arista 7500R chassis, optimizing space and throughput without compromising latency. How It's Used: Aggregating high-throughput traffic in hyperscale data centers supporting cloud service providers. Facilitating east-west traffic in virtualization-heavy environments requiring low-latency switching. Connecting storage arrays in large storage clusters for efficient data replication and backup workflows. Enhancing network fabric in enterprise campus cores that demand scalable and resilient high-speed connections. Supporting high-density rack deployments where port consolidation reduces physical footprint and cabling complexity. By delivering a dense configuration of 40G interfaces, this line card aids operational efficiency through reduced hardware footprint and simplified network architectures. It allows organizations to scale bandwidth seamlessly in demanding environments, maintaining performance and reliability essential for mission-critical applications.