About this model
The QDD-400G-SR8 serves data centres, local area networks, wide area networks, and Ethernet switch and router applications, as stated on its official product page. Its 400G rate suits links that must carry very high traffic over short multimode reaches, where a single 400G link replaces several slower links, and its MPO-16 connector suits parallel-fiber installations. A buyer who needs 400G should confirm the form factor, the reach, the fiber type, and the connector for their exact equipment, because a 400G module that mismatches on any of those will not serve.
The description below is transcribed from the official product page for this model. Where the official page states a full specification table, that table is reproduced; where it states only a title, the title wording is transcribed and labelled as title wording, and no specification table is built from it, because a model name does not evidence a specification.
Specifications
The table below lists the specifications as stated in the official product page's specification table for this model. No specification has been inferred from the model name, and no specification has been carried over from another model. If a characteristic you need is not listed here, ask for it in the inquiry, so the supplier can confirm it from the current specification.
| Data Rate | 400 Gbps (8x50G PAM4) |
|---|---|
| Form Factor | QSFP-DD |
| Connector | MPO-16 (16-fiber) |
| Wavelength | 850 nm |
| Distance | OM3: 70m; OM4: 100m |
| Fiber Type | MMF (50/125μm) |
| Ferrule End-face | APC |
| Working Temperature | 0~70℃ |
| DDM Support | Yes |
| Protocols | 400GBASE-SR8 (IEEE 802.3cm) |
| Transmitter Max | 4 dBm |
| Transmitter Min | -6.5 dBm |
| BER | 2.4e-4 |
Compatibility, as listed by the company
The company profile states compatibility with Huawei, Cisco, HP, H3C, Juniper and MikroTik.
That statement is the company profile's own compatibility statement, quoted with attribution. It is not a statement by any of the named equipment makers, it does not imply authorisation, certification, or partnership with them, and it does not make any named maker's product a product of this company. A buyer should confirm compatibility for their exact equipment in the inquiry, before ordering, because listings change and equipment variants differ.
Trade terms for this model
Minimum order 1 piece. Standard packaging 4pcs / plastic plate. Delivery period Within 1-3 work days. Payment L/C, T/T, Credit Card. Supply capacity 10,000 pcs per month. Warranty 1 Year. These terms are from this model's own detail page, and they apply to this page only: they are not the family's terms, and they are not the site's terms, and the warranty term in particular must not be read as a site-wide warranty, because no site-wide warranty is stated anywhere on this site.
Trade terms are stated per model only. A term stated here applies to this model page, not to the family and not to the site. Where this page states no trade figures, that is because no per-page trade block is evidenced for this model in the material used here, and the terms are confirmed in the inquiry rather than assumed from another model's page.
What this page does not state
This page states no price, because no current price is evidenced. It states no payment, shipping or warranty specifics beyond the per-model trade terms above, because none are evidenced for this model; those are confirmed in the inquiry, in writing, before payment. It states no certificate name, number or issuer, because none are evidenced as current; certificates are available upon request.
This page also states no characteristic the official page does not state. Where a characteristic matters to your use and is not given above, ask for it in the inquiry, naming this model, so the answer is specific rather than general.
What to confirm before ordering
Name this model, the equipment it must serve, the quantity you have in mind, and the market you sell into. Ask for the specification for the exact model, the minimum order quantity, the lead time with its meaning, the warranty terms, the payment and shipping terms, and the certificates that apply to your market, by name, with documents attached. All quantity, lead-time and warranty figures are confirmed in the inquiry, in writing, before payment, except for the per-model trade terms stated above where they exist.
Before payment, confirm the minimum order quantity, lead time, payment, shipping and warranty terms for your order. Certificates are available upon request.