The Arista 7280R3 Series of fixed systems, including the 7280R3 and the 7280R3K, are key components of the Arista 7000 Series portfolio of data center switches. The Arista 7280R3 Series are purpose built 25G, 100G and 400G systems built for the highest performance environments, and to meet the needs of the largest scale data centers and service providers They deliver scalable L2 and L3 resources and high density with advanced features for network monitoring, precision timing and network
| Port configuration | 48x 1/10/25G SFP28 + 8x 40/100G QSFP28 |
| Switching capacity | Up to 2.0 Tbps line‑rate |
| Packet buffer | Deep‑buffer VOQ architecture (up to 16 GB) |
| Routing scale | Internet‑scale (up to ~2M routes with R3K) |
| Network OS | Arista EOS (advanced L2/L3, automation APIs) |
| Form factor | 1RU; hot‑swappable PSUs and fans |
| Packet forwarding | Up to ~1.44 Bpps (64‑byte packets) |
| Tables | Up to ~288K MAC; ~128K ARP/ND |
| ACL/TCAM | Up to ~64K IPv4/IPv6 ACL entries (profile dependent) |
| QoS/Queues | VOQ with dynamic buffers; 8 egress queues/port |
| Latency | Approx. 3–5 µs (cut‑through) |
| CPU/Storage | x86 multi‑core; ~16 GB DRAM; ~120 GB SSD (typical) |
| Management I/O | 1x 10/100/1000 Mgmt, 1x RJ‑45 serial, 1x USB |
| Power | Dual hot‑swap AC or DC PSUs (1+1 redundancy) |
| Cooling | N+1 hot‑swap fans; front‑to‑rear or rear‑to‑front airflow options |
| Software features | BGP, OSPF, IS‑IS, EVPN/VXLAN, MLAG, eAPI/CloudVision, sFlow, ZTP |
Yes, the Arista 7280R3 48 Port Gigabit Switch - DCS-7280SR3K-48YC8 is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This DCS-7280SR3K-48YC8 is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The DCS-7280SR3K-48YC8 comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the DCS-7280SR3K-48YC8 from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
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