QSFP-DD transceivers
- 14 genuine product listings; condition shown for each listing
- Speeds: 400G
- Physical products ship from Singapore
- Prices in USD; pay by card, PayPal or bank transfer (T/T)
14 matching listings
| Part number | Standard | λ | Reach | Temp | Availability | Price | Action | |
|---|---|---|---|---|---|---|---|---|
| QDD-400G-DR4 | 400GBASE-DR4 | 1311 nm | 500 m | COM | Juniper · 400GBASE-DR4 · 1311 nm · 500 m · COM | Price on request | — | Get a quote |
| QDD-400G-DR4-S= | 400GBASE-DR4 | 1310 nm | 500 m | COM | Cisco · 400GBASE-DR4 · 1310 nm · 500 m · COM | Price on request | — | Get a quote |
| QDD-400G-FR4 | 400GBASE-FR4 | 1271 nm | 2 km | COM | Juniper · 400GBASE-FR4 · 1271 nm · 2 km · COM | Price on request | — | Get a quote |
| QDD-400G-FR4-S= | 400GBASE-FR4 | 1270 nm | 2 km | COM | Cisco · 400GBASE-FR4 · 1270 nm · 2 km · COM | Price on request | — | Get a quote |
| QDD-400G-LR4-10 | 400G-LR4-10 | 1271 nm | 10 km | COM | Juniper · 400G-LR4-10 · 1271 nm · 10 km · COM | Price on request | — | Get a quote |
| QDD-400G-LR4-S= | 400GBASE-LR4 | 1270 nm | 10 km | COM | Cisco · 400GBASE-LR4 · 1270 nm · 10 km · COM | Price on request | — | Get a quote |
| QDD-400G-SR4.2-BD= | 400GBASE-SR4.2 | 855 nm | 100 m | COM | Cisco · 400GBASE-SR4.2 · 855 nm · 100 m · COM | Price on request | — | Get a quote |
| QDD-400G-SR8 | 400GBASE-SR8 | 850 nm | 100 m | COM | Juniper · 400GBASE-SR8 · 850 nm · 100 m · COM | Price on request | — | Get a quote |
| QDD-400G-SR8-S= | 400GBASE-SR8 | 850 nm | 100 m | COM | Cisco · 400GBASE-SR8 · 850 nm · 100 m · COM | Price on request | — | Get a quote |
| QDD-400G-ZR | 400ZR | — | 120 km | COM | Juniper · 400ZR · 120 km · COM | Price on request | — | Get a quote |
| QDD-400G-ZRP-S= | 400G ZR+ (OpenZR+) | — | — | COM | Cisco · 400G ZR+ (OpenZR+) · COM | Price on request | — | Get a quote |
| QDD-400G-ZR-S= | 400G ZR (OIF 400ZR) | — | 120 km | COM | Cisco · 400G ZR (OIF 400ZR) · 120 km · COM | Price on request | — | Get a quote |
| R9B41A | 400GBASE-SR8 | 850 nm | 100 m | COM | HPE Aruba · 400GBASE-SR8 · 850 nm · 100 m · COM | Price on request | — | Get a quote |
| R9B42A | 400G eDR4 | 1310 nm | 2 km | COM | HPE Aruba · 400G eDR4 · 1310 nm · 2 km · COM | Price on request | — | Get a quote |
Prices in USD, excluding import duties and taxes (DAP). Need a volume order? Request a volume quote.
The range at a glance
How to choose QSFP-DD optics
- QSFP-DD carries 400 Gb/s with a double row of electrical contacts
- Most QSFP-DD ports also accept QSFP28 and QSFP+ modules; check the platform guide
- SR8 uses MPO-16 multimode; DR4 uses MPO-12 single-mode; FR4 and LR4 use duplex LC
- ZR and ZR+ coherent optics carry 400G over DWDM line systems
- 400G DACs and AOCs are the simplest option for in-rack and adjacent-rack links
Frequently asked questions
Will my QSFP28 optics work in a QSFP-DD port?
QSFP-DD ports are designed to be backward compatible with QSFP28, and most platforms support this, but check the platform's optics guide.
Are these genuine OEM parts?
Listings show the condition of each genuine part. technix.guru is an independent reseller and is not affiliated with the brand owners.
How are orders delivered?
Digital products are delivered by email. Physical orders ship from Singapore. Delivery is DAP: import duties and taxes are paid by the buyer.
Can I get a quote for volume or a project?
Yes. Send your part numbers and quantities through the quote form; quotes are valid for 7 days and payable by card, PayPal or bank transfer.
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