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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-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

Updated

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+

DCS-7148S-F

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+

DCS-7124SX-F

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+

DCS-7124S-F

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+

DCS-7148S-R

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+

DCS-7148SX-R

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+

DCS-7124SX-R

DCS-7124SX-R Arista Switch, Back-to-Front Airflow, Used, 24x 10GbE SFP+

In stock

$185Ships same day
FAN-7100-F Arista Fan Tray, Front-to-Back Airflow, Used

FAN-7100-F

FAN-7100-F Arista Fan Tray, Front-to-Back Airflow, Used

In stock

$40Ships same day

Arista 7100 part numbers

Part numberPortsAirflowPowerConditionEnd of salePriceStock
DCS-7148S-F48 × 10GbEFront-to-backUsed, tested & guaranteed$485In stock
DCS-7124SX-F24 × 10GbEFront-to-back2 x 460 W AC, hot-swappable, 1+1 redundantUsed, tested & guaranteed$360In stock
DCS-7124S-F24 × 10GbEFront-to-back760 W ACUsed, tested & guaranteed$290In stock
DCS-7148S-R48 × 10GbEBack-to-frontUsed, tested & guaranteed$290In stock
DCS-7148SX-R48 × 10GbEBack-to-front2 x AC (760 W max output each), hot-swappable, 1+1 redundantUsed, tested & guaranteed$205In stock
DCS-7124SX-R24 × 10GbEBack-to-front2 x 460 W AC, hot-swappable, 1+1 redundantUsed, tested & guaranteed$185In stock
FAN-7100-FFront-to-backUsed, tested & guaranteed$40In stock

End of sale and support

ModelAnnouncedEnd of saleEnd of supportReplacementNotice
Arista 7124SDCS-7124SX-FArista notice
Arista 7124SXDCS-7150S-24Arista notice
Arista 7148S / 7148SXDCS-7150S-52-CL, DCS-7150S-64-CLArista 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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