Arista 7100 Series Switches
The Arista 7100 Series are 10GbE switches. The DCS-7124SX has 24 1/10GbE SFP/SFP+ ports, 480 Gbps of switching capacity, 360 Mpps and 500 ns latency, with 2 460 W AC supplies. The DCS-7148SX has 48 10GbE SFP/SFP+ ports, 960 Gbps, 720 Mpps and 1200 ns latency. Arista gives July 30, 2014 as the DCS-7124SX last day to order and names the DCS-7150S-24 to follow.
Sources: Arista 7124SX 10G SFP Data Center Switch Data Sheet, Arista 7148S/SX 10G SFP Data Center Switches Data Sheet, Arista End of Sale Announcement DCS-7124SX
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Arista 7100 facts from the maker
- DCS-7124SX
- 24 x 1/10GbE SFP/SFP+; 480 Gbps; 360 Mpps; 500 ns; 2 x 460 W AC, 1+1 Source: Arista 7124SX 10G SFP Data Center Switch Data Sheet
- DCS-7148SX
- 48 x 10GbE SFP/SFP+; 960 Gbps; 720 Mpps; 1200 ns; 2 x AC (760 W each) Source: Arista 7148S/SX 10G SFP Data Center Switches Data Sheet
- DCS-7148S
- 800 Gbps; 600 Mpps Source: Arista 7148S/SX 10G SFP Data Center Switches Data Sheet
- DCS-7124S
- 24 port; 600 ns latency; 760 W AC power supplies Source: End of Sale of DCS-7124S and DCS-7048 switches
- Airflow
- F models front to rear; R models rear to front Source: Arista 7124SX 10G SFP Data Center Switch Data Sheet
- End of sale
- DCS-7124S: Nov 1, 2011; DCS-7148SX: December 20, 2013; DCS-7124SX: July 30, 2014 Sources: End of Sale of DCS-7124S and DCS-7048 switches, End of Sale of DCS-7148S and DCS-7148SX switches, Arista End of Sale Announcement DCS-7124SX
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Guides on the Arista 7100
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Arista 7100 Series Switches in the catalog

DCS-7148S-F Arista Switch, Front-to-Back Airflow, Used, 48x 10GbE SFP+
In stock
$485Ships same day

DCS-7124SX-F Arista Switch, Front-to-Back Airflow, Used, 24x 10GbE SFP+
In stock
$360Ships same day

DCS-7124S-F Arista Switch, Front-to-Back Airflow, Used, 24x 10GbE SFP+
In stock
$290Ships same day

DCS-7148S-R Arista Switch, Back-to-Front Airflow, Used, 48x 10GbE SFP+
In stock
$290Ships same day

DCS-7148SX-R Arista Switch, Back-to-Front Airflow, Used, 48x 10GbE SFP+
In stock
$205Ships same day

DCS-7124SX-R Arista Switch, Back-to-Front Airflow, Used, 24x 10GbE SFP+
In stock
$185Ships same day

Arista 7100 part numbers
| Part number | Ports | Airflow | Power | Condition | End of sale | Price | Stock |
|---|---|---|---|---|---|---|---|
| DCS-7148S-F | 48 × 10GbE | Front-to-back | Used, tested & guaranteed | $485 | In stock | ||
| DCS-7124SX-F | 24 × 10GbE | Front-to-back | 2 x 460 W AC, hot-swappable, 1+1 redundant | Used, tested & guaranteed | $360 | In stock | |
| DCS-7124S-F | 24 × 10GbE | Front-to-back | 760 W AC | Used, tested & guaranteed | $290 | In stock | |
| DCS-7148S-R | 48 × 10GbE | Back-to-front | Used, tested & guaranteed | $290 | In stock | ||
| DCS-7148SX-R | 48 × 10GbE | Back-to-front | 2 x AC (760 W max output each), hot-swappable, 1+1 redundant | Used, tested & guaranteed | $205 | In stock | |
| DCS-7124SX-R | 24 × 10GbE | Back-to-front | 2 x 460 W AC, hot-swappable, 1+1 redundant | Used, tested & guaranteed | $185 | In stock | |
| FAN-7100-F | Front-to-back | Used, tested & guaranteed | $40 | In stock |
End of sale and support
| Model | Announced | End of sale | End of support | Replacement | Notice |
|---|---|---|---|---|---|
| Arista 7124S | DCS-7124SX-F | Arista notice | |||
| Arista 7124SX | DCS-7150S-24 | Arista notice | |||
| Arista 7148S / 7148SX | DCS-7150S-52-CL, DCS-7150S-64-CL | Arista notice |
Questions about the Arista 7100 family
- What do F and R mean at the end of a 7100 part number?
- They name the airflow. F models such as the DCS-7124SX-F move air front to rear; R models such as the DCS-7124SX-R move air rear to front.Source: Arista 7124SX 10G SFP Data Center Switch Data Sheet
- What replaced the DCS-7124SX?
- Arista's end of sale notice names the DCS-7150S-24-F and DCS-7150S-24-R.Source: Arista End of Sale Announcement DCS-7124SX
- What replaced the DCS-7148SX?
- Arista's end of sale notice names the DCS-7150S-52-CL-R or DCS-7150S-64-CL-R.Source: End of Sale of DCS-7148S and DCS-7148SX switches
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