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The 7250QX-64 is a 2RU 40G switch with 64 QSFP+ ports, which can break out to as many as 256 10G interfaces. That density makes it a fit for 40G spine layers and large 10G aggregation points.
Arista rates it at 5 Tbps and 3840 Mpps, with latency of 550 to 1800 nanoseconds and a 48 MB packet buffer using Dynamic Buffer Allocation. The control plane runs a quad-core x86 CPU with 8 GB RAM and 4 GB flash. Power draw is 622W typical and 1200W maximum.
Two 1100W AC power supplies are installed in a 1+1 redundant, hot-swap pair, with PWR-1100AC-R as the spare. Four hot-swap FAN-7002-R fans in N+1 move air back-to-front (port-side exhaust). Arista also sells the front-to-back version, so keep every fan and supply matched to the rack's airflow.
Management uses two 10/100/1000 RJ-45 ports, an RJ-45 RS-232 console and USB. The chassis measures 19 x 21.8 x 3.5 in and weighs 42.3 lb. 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-7250QX-64-F with the opposite airflow. A new DCS-7250QX-64-R is also available. Matching spares include the PWR-1100AC-R power supply and the FAN-7002-R fan module.
This seller refurbished DCS-7250QX-64-R is tested, working, and covered by the NetworkTigers one-year warranty.
- Network Ports : 64x QSFP+ 40G (up to 256x 10G via breakout)
- Management Ports : 2x 10/100/1000 RJ-45 mgmt, 1x RS-232 RJ-45 console, 1x USB
- Packet Buffer : 12MB
- VLAN ID's : 4096
- CPU : Quad-Core x86
- AirFlow Direction : back-to-front (port-side exhaust)
- Fan Module Options : FAN-7002-R
- Power Supplies Included : 2x 1100W AC (1+1 redundant, hot-swap)
- Power Supply Options : PWR-1100AC-R
- PoE Budget : None
- Switching Capacity : 5 Tbps
- Forwarding Rate : 3840 Mpps
- MAC Address Table Size : 288,000
- Latency : 550 to 1800 ns
- DRAM and Flash : 8 GB RAM, 4 GB flash, Quad-Core x86 CPU
- Model Number : DCS-7250QX-64-R
- Part Number : DCS-7250QX-64-R
- Condition : Seller refurbished
- One (1) Seller Refurbished Arista DCS-7250QX-64-R 7250QX Series 64x 40 Gigabit QSFP+ Back-to-Front Airflow Switch as described above
- 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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