Arista
Arista 100GBASE-CWDM4 QSFP Transceiver, 2 km Duplex Single-Mode
QSFP-100G-CWDM4
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Conditions: New · Refurbished
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Arista
QDD-400G-SR8
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Arista
Arista 400GBASE-SR8 QSFP-DD Transceiver, Parallel OM4 Multimode
MPNQDD-400G-SR8
The Arista QDD-400G-SR8 is a 400GbE QSFP-DD transceiver for parallel OM4 multimode fiber, specified to 100 m.
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Arista 400GBASE-SR8 QSFP-DD Transceiver, Parallel OM4 Multimode
QDD-400G-SR8 · Refurbished · 1 year warranty
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Overview
Short links inside a data hall are what the Arista QDD-400G-SR8 is for. It is a 400GbE transceiver in the QSFP-DD form factor, built for parallel OM4 multimode fiber and specified to a reach of 100 m. The title names it 400GBASE-SR8.
In practice that means the fiber plant has to be multimode OM4 with a parallel arrangement, and each end of the link needs a matching module. Because the module is single-port, one unit serves one 400G port, and a link between two switches needs one at each end.
It suits row-to-row and rack-to-rack runs that stay within 100 m, where multimode optics cost less than single-mode ones. This part is available as a new or refurbished module, each with a choice of 1 year or 3 years of warranty.
Specifications
| Manufacturer part number | QDD-400G-SR8 |
|---|---|
| Brand | Arista |
| Media | Multimode fiber |
| Ports | 1 |
| Maximum reach | 100 m |
| Port speed | 400GbE |
| Form factor | QSFP-DD |
| Type | Transceiver |
Specifications from the manufacturer's datasheet ↗
FAQ
- What fiber does the QDD-400G-SR8 need?
- Multimode fiber; the title specifies parallel OM4.
- How far does it reach?
- The listed reach is 100 m.
- What form factor and speed?
- QSFP-DD at 400GbE.
- Is a used module offered?
- No. It is listed new and refurbished.
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