• Silver-colored arista dcs-7388-8dr server rack with multiple vertical slots housing green-lit 8-port 400g qsfp-dd modules
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Arista

Arista DCS-7388-8DR | 7388X5 8-Port 400G QSFP-DD Module, No MACsec, 39W

DCS-7388-8DR

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Description

The DCS-7388-8DR is an 8-port 400G QSFP-DD interface module for the Arista 7388X5 Series modular data centre switch chassis. It is the non-MACsec variant, built for leaf or spine deployments in hyperscale, cloud, big data and AI/ML cluster networks that need high-density 400G.

The module provides 8 x 400G QSFP-DD ports and, using breakouts and existing optics and cables, can run up to 16 x 200G, 32 x 100G, 8 x 40G, 32 x 25G or 32 x 10G. It draws 17W typical and 39W maximum, measured with 15W optics, and connects directly to the switch card with no oversubscription. No licence is needed for the module itself.

It installs in the DCS-7388-CH chassis alongside the DCS-7388X5-SC switch card and DCS-7388-SUP supervisor, and requires EOS 4.30.1 or later. It can be mixed with DCS-7388-16CD2 and DCS-7388-8D (MACsec) modules in the same chassis.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Mix-and-match I/O module for the 7388X5 chassis, which has 8 interface module slots
- Connects directly to the switch card with no oversubscription
- Field-removable and hot-serviceable for easier maintenance and upgrades
- Supports 10G to 400G pluggable optics and cables, using breakouts where required
- 7388X5 system delivers up to 25.6 Tbps and 10.66 Bpps forwarding with 825 ns latency and 114 MB shared packet buffer
- Runs Arista EOS with CloudVision, ZTP, LANZ, DANZ, sFlow, AI Analyzer, Dynamic Load Balancing and Cluster Load Balancing

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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specs-tabs

Technical Specifications

FAQs

Technical Specifications

- Ports: 8 x QSFP-DD
- Maximum 400G ports: 8
- Maximum 200G ports: 16
- Maximum 100G ports: 32
- Maximum 40G ports: 8
- Maximum 25G ports: 32
- Maximum 10G ports: 32
- MACsec encryption: No
- Power (typical / maximum): 17W / 39W
- Dimensions (H x W x D, excluding ejector): 16.9 x 4.95 x 10.7 cm (6.7 x 1.95 x 4.21 in)
- Weight: 0.90 kg (2 lbs)
- Chassis support: DCS-7388-CH
- Minimum EOS: 4.30.1
- Bandwidth per I/O slot: 3.2 Tbps, no oversubscription between module and switch card
- Operating temperature (system): 0 to 40 C (32 to 104 F)
- Storage temperature (system): -40 to 70 C (-40 to 158 F)
- Relative humidity (system): 5 to 95%
- Operating altitude (system): 0 to 3,000 m (0 to 10,000 ft)

FAQs

Q: Does this module need a licence?
A: No licence is needed for the module itself. The 7388X5 chassis uses Arista EOS feature licences from the Fixed - Group 4 family, such as LIC-FIX-4-E for Enhanced L3 and LIC-FIX-4-Z for Monitoring and Automation.

Q: Does it support MACsec encryption?
A: No. The DCS-7388-8DR is the non-MACsec variant. The DCS-7388-8D is the MACsec-capable module.

Q: How much power does it draw?
A: It draws 17W typical and 39W maximum, measured with 15W optics. Power is supplied by the DCS-7388-CH chassis, which takes up to four N+N redundant PWR-2421-HV-RED or PWR-2411-DC-RED power supplies.

Q: What chassis and software does it require?
A: It is supported in the DCS-7388-CH chassis with the DCS-7388X5-SC switch card and DCS-7388-SUP supervisor, and requires EOS 4.30.1 or later.

Q: Can it be mixed with other 7388X5 modules?
A: Yes. It can be installed alongside DCS-7388-16CD2 and DCS-7388-8D (MACsec) modules in the same chassis.

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