10/100BASE-T SFPNVIDIA/Mellanox MMS4X00-NM Compatible 800G Twin-port OSFP IHS/Closed Finned Top Transceiver Module
This NVIDIA/Mellanox MMS4X00-NM compatible transceiver provides 800G connectivity in a hot-swappable Twin-port OSFP IHS/Closed Finned Top package. Its optical design operates at 1310nm for up to 500m, using Dual MTP/MPO-12 APC. Complete parameters and related OEM references help structured fiber installations preserve a documented and serviceable optical channel.
OEM Part Number: MMS4X00-NMHT Part Number: OSFP-DR8-800G
Product Highlights
- Compatible alternative to NVIDIA/Mellanox MMS4X00-NM
- 800G connectivity at 850Gbps (8x 106.25Gbps)
- Optical wavelength: 1310nm
- Specified reach: 500m
- Dual MTP/MPO-12 APC / SMF interface
- Factory compatibility verification and optical performance testing before shipment
Specifications
| NVIDIA/Mellanox InfiniBand Compatible | MMS4X00-NM |
|---|---|
| Manufacturer | HT |
| HT Part Number | OSFP-DR8-800G |
| Form Factor | Twin-port OSFP IHS/Closed Finned Top |
| Max Data Rate | 850Gbps (8x 106.25Gbps) |
| Wavelength | 1310nm |
| Max Cable Distance | 500m |
| Connector | Dual MTP/MPO-12 APC |
| Media | SMF |
| Transmitter Type | EML |
| Receiver Type | PIN |
| TX Power | -2.9~4.0dBm |
| Minimum Receiver Power | -5.9dBm |
| Power Budget | 3dB |
| Receiver Overload | 4dBm |
| Max Power Consumption | 16.5W |
| Extinction Ratio | >3.5dB |
| Modulation (Electrical) | 8x100G-PAM4 |
| Modulation (Optical) | Dual 4x100G-PAM4 |
| Packaging Technology | COB (Chip on Board) Packaging |
| Modulation Format | PAM4 |
| CDR (Clock and Data Recovery) | TX & RX Built-in DSP |
| Inbuilt FEC | No |
| Protocols | OSFP MSA HW Rev 4.1, CMIS Rev 5.0, IEEE 802.3cu-2021, IEEE P802.3ck D2.2 |
Applications and Optical Link Design
Use this module for equipment interconnection over the specified single-mode fiber plant, including enterprise backbone, campus, metro or data-center interconnect links according to its rated distance. Confirm that both ends use the same optical standard and wavelength plan, and allow for connector, splice and patch-panel loss within the stated power budget.
Before deployment, check the host port type, supported data rate and firmware requirements. The 800G interface configuration must match the remote equipment; sharing a Twin-port OSFP IHS/Closed Finned Top housing alone does not make two transceiver types interoperable.
Before commissioning, measure the complete single-mode channel against the stated budget for 500m. Inspect every Dual MTP/MPO-12 APC connection and record diagnostic power where supported. Both ends must agree on rate, wavelength and optical standard.
NVIDIA/Mellanox Compatibility and Factory Testing
Factory verification starts with the expected MMS4X00-NM identity and finishes with an operating host link. EEPROM data, diagnostic visibility and the stated optical parameters are assessed together. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.
Optical Acceptance, Diagnostics and Handling
For this model, the specified transmit-power range is -2.9~4.0dBm; the stated optical power budget is 3dB. A sound acceptance record includes link state, diagnostic temperature, supply voltage and transmit or receive levels where the host exposes them. Compare the readings with the stated ranges rather than treating any received light as proof of adequate margin. Persistent alarms or borderline values should trigger an end-face and complete-channel inspection. Before every insertion, keep dust caps in place until the patch lead is ready, avoid touching the optical end face and use an appropriate inspection and cleaning procedure. Do not look into an active optical interface.
Structured Fiber Pathways and Serviceability
Treat the transceiver as part of the complete channel. Follow the intended patch-panel route, maintain bend control and leave service access around the port. Confirm connector polish and fiber type at every mated pair; a documented service allowance is preferable to excess slack concealed inside a rack. For this model, the principal parameters are data rate 850Gbps (8x 106.25Gbps), wavelength 1310nm, rated reach 500m.
Ordering Information
Use MMS4X00-NM as the compatibility cross-reference and OSFP-DR8-800G as the HT ordering identity. Keep other reaches or wavelength directions on separate order lines. Neutral labels, customer packaging and project-specific compatibility review are available on request.
Shipping and Lead Time
Standard configurations normally ship within one to three working days, with production lead times confirmed for larger quantities. International courier, air freight and sea freight are available; customer courier accounts and nominated forwarders are accepted.
Quality Assurance and Packaging
Each MMS4X00-NM compatible module is inspected, powered up and functionally checked before protective packing. Dust caps and individual trays shield the interface during transport. Customer references, rack groups and project packing lists can be added for volume orders.
Frequently Asked Questions
Is this an original NVIDIA/Mellanox transceiver?
No. It is an HT-manufactured compatible alternative for equipment that specifies MMS4X00-NM, not an original NVIDIA/Mellanox-branded module.
Which fiber and connector are required?
Use Dual MTP/MPO-12 APC with SMF. The specified maximum reach is 500m, subject to fiber quality and total link loss.
Can it be mixed with another wavelength or reach version?
Only when the two ends share the same optical standard, wavelength plan and supported data rate. Check the exact part numbers and link budget rather than relying only on the module form factor.
