Name: DCS-7280QR-C72M-R Arista 7280QR 72x40GbE 16x100GbE QSFP Switch
Brand: Arista
SKU: DCS-7280QR-C72M-R
Price: 9999.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Arista 7280QR-C72M-R switch offers a combination of 72 QSFP+ ports at 40GbE and 16 QSFP28 ports at 100GbE, designed for dense, high-capacity networking environments. It incorporates a rear-to-front airflow pattern to accommodate specific cooling architectures typically found in data centers.

General Information
Brand	Arista
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	No
Port Type	40G QSFP+, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	40GbE,100GbE
UpLink Ports	16 x 100GbE QSFP28
POE Support	No
Switching Capacity	8.96 Tbps
Switch Forwarding Rate	17,500 Mpps (64-byte frames)
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	No
Layer Support	Layer 3
Connector Type	QSFP+,QSFP28,RJ-45,USB Console,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, OSPF, BGP, IS-IS, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	CLI (SSH),Serial Console (RJ-45),SNMP,eAPI (JSON-RPC),HTTPS/REST,CloudVision
Security Features	Access Control Lists (ACLs),802.1X,RADIUS,SSH,DHCP Snooping,IP Source Guard,MACsec (optional)
Management Type	In-band,Out-of-band
Remote Management Protocol	SSH,Telnet,SNMP,HTTPS,eAPI (JSON-RPC)
Routing Protocol	Static,OSPF,BGP,RIP,VRRP,PIM-SM,IGMP

Power & Cooling
Fans	Rear-to-front airflow, variable-speed hot-swap fans

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV

Product Description
The Arista 7280QR-C72M-R is a network switch designed to deliver high-density 40GbE and 100GbE connectivity. It features 72 QSFP+ ports operating at 40GbE and 16 QSFP28 ports supporting 100GbE speeds, making it suitable for data centers and enterprise environments that require substantial bandwidth aggregation. This model implements a rear-to-front airflow pattern, enabling deployment in racks with specific cooling requirements. The switch is typically used by network engineers and IT professionals managing large-scale, high-throughput environments. Key Features 72 QSFP+ ports supporting 40GbE connections 16 QSFP28 ports for 100GbE uplinks Rear-to-front airflow cooling design Designed for high port density and throughput Suitable for enterprise and data center deployments The Arista 7280QR-C72M-R plays a critical role in aggregating high-speed data traffic within network infrastructure. Its design supports environments requiring dense 40GbE port counts combined with 100GbE uplinks, facilitating efficient network scaling and data handling.

Use Cases
This switch is typically deployed in data centers and large enterprise networks where high-density 40GbE and 100GbE connectivity is required. It benefits IT teams managing bandwidth-intensive applications and aggregating large volumes of network traffic. How It's Used: Aggregating 40GbE server or storage connections in data centers Providing 100GbE uplinks for spine or core network layers Deployment in racks with rear-to-front airflow cooling requirements Supporting virtualized environments with large east-west data flows High-density switching for cloud and hyperscale infrastructure The Arista 7280QR-C72M-R functions as a central aggregation and distribution device within complex network topologies, supporting the bandwidth and cooling needs typical to modern data centers and enterprise environments.

FAQ's
What does the 'rear-to-front air' designation mean? It indicates the switch's cooling airflow moves from the rear to the front, designed for data centers using rear intake and front exhaust cooling configurations. How many 40GbE ports does the DCS-7280QR-C72M-R have? This Arista switch includes 72 QSFP+ ports that support 40GbE connections, enabling high port density for server or device connectivity. What type of ports are used for 100GbE connections? The switch features 16 QSFP28 ports specifically designed to handle 100GbE speeds suitable for uplinks or high-capacity links. Who typically uses the Arista 7280QR-C72M-R switch? Network engineers and IT professionals in data centers and enterprise networks use this model for handling dense 40GbE and 100GbE traffic aggregation. Is this switch suited for all rack cooling setups? No, it is intended for racks that support rear-to-front airflow; it may not be compatible with front-to-rear cooling racks. What environments benefit most from this switch? Large-scale data centers and enterprise networks with high-bandwidth requirements and specific cooling configurations are the primary environments for this switch.