Home / Shop / Arista


- Description
- Specifications
DCS-7280SR3-48YC8-F is the front-to-rear airflow version of the Arista 7280SR3-48YC8, a 1RU switch router with 48 SFP ports for 1G, 10G or 25G and eight QSFP100 ports. It comes with two AC power supplies. DCS-7280SR3-48YC8-R is the rear-to-front version, DCS-7280SR3-48YC8# the configurable form, and the 7280SR3K-48YC8 models are the large-routes variants.
Wire-speed performance is 2 Tbps (4 Tbps counting both directions) at 1 Bpps, with latency from 3.8 microseconds and a 4 GB packet buffer. Port maximums are 8 x 100G, 16 x 50G, 8 x 40G, 80 x 25G or 10G and 48 x 1G. The 7280R3 series scales to over 2 million IPv4 unicast routes, while the K models go beyond 5 million.
The 7280SR3-48YC8 has a quad-core x86 CPU with 8 GB of memory and 8 GB of flash. Typical power draw is 154 W and the maximum is 324 W. Two PWR-511 supplies (AC or DC) run 1+1 and two FAN-7011M fans run N+1. The chassis is 17.3 x 1.72 x 18.38 inches (43.99 x 4.35 x 46.7 cm), weighs 20.2 lb (9.18 kg) and needs EOS 4.26.0 or later. It supports a reduced CFM feature set.
More 7280R switches are in the Arista switch category, including the DCS-7280SR-48C6-F and the DCS-7280SR-48C6-M-F.
| Part number | DCS-7280SR3-48YC8-F |
| Series | Arista 7280R3 |
| Ports | 48 x SFP 1/10/25G, 8 x QSFP100 |
| Airflow | front-to-rear |
| Throughput | 2.0 (4.0) Tbps |
| Packet buffer | 4 GB |
| Latency | from 3.8 us |
| Memory | 8 GB system, 8 GB flash |
| Fans | 2 hot-swap, N+1, FAN-7011M |
| Power supplies | 2, 1+1, PWR-511 (AC or DC) |
| Typical / maximum power | 154 W / 324 W |
| Size and weight | 1RU, 17.3 x 1.72 x 18.38 in, 20.2 lb |
| Minimum EOS | 4.26.0 |
