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-F as the spare. Four hot-swap FAN-7002-F fans in N+1 move air front-to-back (port-side intake). Arista also sells the back-to-front 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-R with the opposite airflow. A seller refurbished DCS-7250QX-64-F is also available. Matching spares include the PWR-1100AC-F power supply and the FAN-7002-F fan module.
This DCS-7250QX-64-F is new and covered by the NetworkTigers one-year warranty. The original packaging may have been opened to inspect the contents.
- 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
- AirFlow Direction : front-to-back (port-side intake)
- Fan Module Options : FAN-7002-F
- Power Supplies Included : 2x 1100W AC (1+1 redundant, hot-swap)
- Power Supply Options : PWR-1100AC-F
- 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-F
- Part Number : DCS-7250QX-64-F
- Condition : New
- One (1) NEW Arista DCS-7250QX-64-F 64x 40GB QSFP+ Front-to-Back Airflow Switch as described above