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Dell S4148F-ON-RA 210-ALSR 48x SFP+ 4x QSFP28 2x QSFP+ B-F Air OS10 Switch

Dell S4148F-ON-RA 210-ALSR 48x SFP+ 4x QSFP28 2x QSFP+ B-F Air OS10 Switch

$ 3,599.99
$ 3,104.99
37 in stock
In stock means that we have the product available to meet your delivery commitment. If it is on the web site, it is available for sale and we can ship it that day.
  Call if you need more
Cutoff Ground / 3 day / 2 day - 2pm PT, Cutoff Overnight - 5pm PT. Overnight orders after 4pm PT require approval. Call 800-430-6950 to confirm overnight orders after 4pm PT.
Condition: Seller refurbished
Pre-owned, tested by qualified techs, working, reset-to-factory default, grade A condition, and parts needed for normal functions are included (as described in the listing).
Warranty: 365 days
Warranty coverage period
SKU: NSB-6542
UPC: 011110532510


The Dell S4148F-ON-RA 210-ALSR switch is a high-performance network device for modern data centers. Its 48x SFP+ ports and additional QSFP28 and QSFP+ ports offer flexible connectivity options to support various networking requirements.

Featuring the Air OS10 operating system, this switch provides advanced switching capabilities with a switching capacity of up to 960Gbps. It also boasts an impressive forwarding rate of 720Mpps, ensuring efficient data transmission across your network.

With a MAC address table size of 272,000 entries, this switch can handle large-scale deployments seamlessly without compromising performance or stability. The low latency speed at just 800 nanoseconds also results in minimal delay during data transfers for increased productivity.

Dell S4148F-ON: 48x 10GbE SFP+ ports, 2x QSFP+ ports, 4x 100GbE QSFP28 ports, 2x AC PSU, 4x Fan module, Back-to-Front Airflow (PSU to I/O Panel Airflow - Reversed). Includes OS10 Licence.


  • Network Ports : 48x 10 Gigabit Ethernet SFP+
  • Uplink Ports : 2x 40 Gigabit Ethernet QSFP+, 4x 100 Gigabit QSFP28
  • Management Ports : 1x RJ45 Console Management (RS232), 1x USB, 1x Mini USB
  • Firmware Version : Includes OS10 Licence
  • Fan Modules AirFlow Direction : 4x Fan Modules Included - Back-to-Front Airflow (PSU to I/O Panel Airflow - Reversed)
  • Power Supplies Included : 2x AC PSU's Included - Back-to-Front Airflow (PSU to I/O Panel Airflow - Reversed)
  • Alternative Dell Part Numbers : 210-ALSR
  • Switching Capacity : 960Gbps
  • Forwarding Rate : 720Mpps
  • MAC Address Table Size : 272,000
  • Latency : 800 nanoseconds
  • Rack Mounts : Not Included - 770-BBGY Rail Kit can be ordered separately.
  • Model Number : S4148F-ON-RA
  • Part Number : S4148F-ON-RA, 210-ALSR, S4148F-ON RA
  • Condition : Seller refurbished


  • One (1) Seller Refurbished Dell S4148F-ON-RA 210-ALSR 48x SFP+ 4x QSFP28 2x QSFP+ B-F Air OS10 Switch as described above
  • Two (2) Power Cords Included
  • Two (2) AC Power Supplies Included
  • Four (4) Fan Modules Included

Not 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
  • Transceiver Modules Not Included