800G QSFP-DD optical sourcing
Compare 800G QSFP-DD families by host interface, optical lane plan, connector, reach and coding target, then request the exact SKU required for review.
Commercial overview
An 800G QSFP-DD requirement can point to parallel single-mode, multimode or multiplexed duplex optics. Those options change the connector, fiber count, peer interface and breakout plan. PhotonVerge uses the collection to narrow a buyer's requirement to the exact family and SKU rather than treating every 800G QSFP-shaped module as equivalent. State the host platform, cage type, software, port mode, peer optic, route and quantity so the technical and commercial response can be reviewed against a defined link.
Product taxonomy
The scheme determines connector and lane mapping. The exact reach and standards support must be confirmed on the selected SKU.
Parallel single-mode option for short data-center links and lane-oriented architectures.
Two four-lane groups for direct or breakout paths where endpoint mapping is explicit.
Duplex single-mode candidate for reduced fiber count; confirm host and standard support.
Two duplex optical groups for dual-path designs from one QSFP-DD package.
Parallel multimode option for controlled short-reach fiber plants.
Longer-distance candidates requiring wavelength, loss budget and peer-optic review.
Featured family routes
These links open exact family records; use the full browser for the complete set.
Buyer checklist
Price comparisons are meaningful only after candidates solve the same physical and host-side requirement.
Confirm QSFP-DD rather than a visually similar but electrically different form factor.
Record the host lane rate, port mode and breakout configuration.
Define DR8, 2xDR4, FR4, 2xFR4 or SR8 before shortlisting.
Match MPO or LC, fiber count, polarity and polish to the installed plant.
Use route loss and operating margin in addition to nominal distance.
Check cage power class and platform airflow for the exact module.
Document the far-end optic, wavelength plan and FEC expectations.
Specify coding target, DOM fields, labels and any procurement document needs.
Exact catalog records
Use product identity, structured specifications and exact SKU records. Search results do not assert live stock or host acceptance.
800G QSFP-DD 2xSR4 100m Transceiver with 4 exact SKU options. Confirm the host, port and firmware before quotation.
800G QSFP-DD 2xVR4 50m Transceiver with 4 exact SKU options. Confirm the host, port and firmware before quotation.
800G Twin-port QSFP-DD 2xDR4 500m Transceiver with 5 exact SKU options. Confirm the host, port and firmware before quotation.
800G Twin-port QSFP-DD 2xDR4 500m Transceiver with 4 exact SKU options. Confirm the host, port and firmware before quotation.
4 product families available; page 1 of 1
Decision matrix
This matrix frames the buyer decision without replacing the selected SKU datasheet.
| Decision | Parallel path | Duplex path | What changes in the project |
|---|---|---|---|
| Connector | Usually MPO-based | Usually LC-based | Panels, patching and polarity method |
| Optical groups | Multiple parallel lanes | Multiplexed wavelengths on duplex fiber | Peer optic and monitoring expectations |
| Breakout | Often suited to lane-oriented mapping | May expose separate duplex groups | Endpoint count and patch architecture |
| Loss control | Channel consistency and connector condition | Link budget and wavelength path | Acceptance measurements and margin |
| Operations | Higher fiber-count inspection discipline | Duplex route documentation | Spares and troubleshooting procedure |
Engineering boundary
A correct package and vendor code do not prove that a host will accept the module or that it will interoperate with the far-end optic. Host policy, software, power class, port mode and monitoring behavior affect acceptance. Optical scheme, wavelength plan, connector and FEC affect the link. Both checks should be recorded before sample approval.
Application planning
Use the project topology to decide which family deserves detailed review.
High-density Ethernet links where FEC and consistent host acceptance matter.
Port migrations that require a documented relationship between old fiber plant and new optics.
High-throughput links where route margin and operational spares should be planned together.
Duplex-fiber and longer-reach paths that need an explicit loss budget.
Supply coordination
Each step removes an ambiguity that would otherwise return during sample testing.
Record the local and remote platform, interface and configured mode.
Choose the scheme, connector, fiber type and reach as one decision.
Check software, power class, airflow, FEC and coding target.
Return the exact candidate and available technical document scope.
Define traffic, duration, counters and pass criteria in the real host.
Confirm quantity, delivery address, schedule, shipping and commercial terms.
Buyer validation
The evidence set depends on the exact SKU and is confirmed during review, not inferred from the collection heading.
Technical resources
Use the relevant guide to resolve a specific decision; product-specific evidence is confirmed for the quoted SKU.
Buyer questions
No. The shells may appear related, but the host electrical interface and platform support can differ. A buyer should use the exact form factor named in the switch or line-card documentation and confirm the configured lane mode. Do not place a family in this collection merely because its title contains QSFP and 800G.
Neither is universally better. DR8 is a parallel optical architecture and FR4 uses multiplexed wavelengths on duplex fiber. The choice depends on the host, peer optic, connector, available fiber count, route length, loss budget, breakout requirement and operating practice. Compare total link architecture and migration work, not only module price.
Possibly, when the selected optical scheme, connector, fiber count, polarity and loss budget match that plant. Inspect the connector condition and document every cassette, adapter and patch segment. An existing MPO route should not be approved solely because it has enough fibers; lane mapping and end-face type must also align.
Include host and line-card models, network OS release, configured speed and FEC, cage power information if available, OEM part number or coding target, peer optic, fiber interface, route length, quantity and destination. State any DOM, alarm, labeling, warranty or report requirements before the exact SKU is quoted.
Recognition is only an initial check. Run representative traffic, inspect diagnostic data and temperature, record FEC counters, verify the peer link and repeat insertion or restart steps that matter operationally. Approval should reference the exact sample SKU and the frozen host software configuration so a later delivery can be compared against the same baseline.
Procurement guide
Start with the host documentation and configured interface. QSFP-DD must not be inferred from a product photo or a generic QSFP label. Record whether the application is native 800G or a breakout and identify the remote endpoint.
Parallel and duplex schemes create different requirements for connectors, fiber count, panels and peer optics. A lower module price can be outweighed by a plant conversion or extra operational complexity, so compare the installed path before pricing candidates.
Check the module power class, cage airflow, network OS policy, coding target and monitoring needs. Recognition, stable operation and optical interoperability are distinct acceptance stages and should be recorded separately.
Define traffic, duration, counters, temperature observations and pass criteria. Retain the exact SKU and configuration used. Commercial approval can then cover quantity, destination, schedule, warranty and document scope without reopening the technical assumptions.
Structured B2B request
Provide both endpoints, software, port mode, FEC, optical path, connector, distance, quantity and destination so the candidate can be narrowed to an exact SKU.
No live-stock, lead-time or compatibility commitment is inferred from this page. The selected SKU and commercial terms are confirmed in the written offer.
B2B inquiry desk
Use the message field for part number, host model, firmware, reach, quantity, destination and required documents.