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For port-side exhaust racks, the Arista DCS-7280SE-72-R is the back-to-front version of the 7280E 72-port switch. It has 48 1/10GbE SFP+ ports and 2 MXP multimode ports in 1RU, and each MXP port runs as 12 10GbE, 3 40GbE or one 100GbE interface.
Arista rates it at 1.44 Tbps and 900 Mpps, with 3.8 microseconds latency at 64 bytes. The 9 GB deep buffer, 3 GB per port group, absorbs bursts in storage and leaf deployments. Layer 3 tables are modest at 64K IPv4 LPM, 12K IPv6 LPM, 128K to 256K MAC/host and 96K ARP/ND.
Two hot-swap 500 W AC supplies (1+1) and four hot-swap fans (N+1) are installed. Airflow is back-to-front (port-side exhaust), so replacements should be PWR-500AC-R supplies and FAN-7000-R fans. The front-to-back model is DCS-7280SE-72-F. Typical power is 262 W, maximum 399 W.
Weight is 22.4 lb and dimensions are 19 x 20.6 x 1.75 inches. Advanced Layer 3 features such as BGP and OSPF need an Arista Enhanced L3 license, which is not included and is available from Arista partners.
Arista also sells the DCS-7280SE-72-F with the opposite airflow. A new DCS-7280SE-72-R is also available. Matching spares include the PWR-500AC-F power supply and the FAN-7000-F fan module.
This seller refurbished DCS-7280SE-72-R is tested, working, and covered by the NetworkTigers one-year warranty.
- Network Ports : 48x 1/10GbE SFP+
- Uplink Ports : 2x MXP multimode ports (each 12x 10G, 3x 40G or 1x 100G)
- Management Ports : 1x 100/1000 mgmt, 1x RS-232 RJ-45 console, 1x USB
- CPU : Quad-Core x86
- VLAN ID's : 4096
- Packet Buffer : 9GB
- AirFlow Direction : Back-to-front (port-side exhaust)
- Fan Module Options : FAN-7000-F, FAN-7000-R
- Power Supplies Included : 2x AC 500 W (hot-swap, 1+1)
- Power Supply Options : PWR-500AC-F, PWR-500AC-R (500 W AC); PWR-500-DC-F, PWR-500-DC-R (500 W DC)
- PoE Budget : None
- Switching Capacity : 1.44 Tbps
- Forwarding Rate : 900 Mpps
- MAC Address Table Size : 256,000
- Latency : 3.8 microseconds (64-byte)
- DRAM and Flash : 4 GB DRAM, 4 GB flash, 120 GB SSD, quad-core x86
- Model Number : DCS-7280SE-72-R
- Part Number : DCS-7280SE-72-R
- Condition : Seller refurbished
- One (1) Seller Refurbished Arista DCS-7280SE-72-R 48x 10GB SFP+ 2x 100GB MXP Back-to-Front Airflow Switch as described above
- One (1) Power Cord Included
- Two (2) AC Power Supplies Included
- Four (4) Fan Modules Included
- One (1) Set of Rack Mount Brackets Included
- Manuals or product brochures are not included. Software or Firmware DVDs or CDs are not included
Product information and installation instructions may be found on the manufacturer's website or the web. Software or firmware updates may be available through the manufacturer's website
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