
The MMA4Z00-NS compatible module serves equipment requiring a 800G Twin-port OSFP IHS/Finned Top interface with 850nm optics and a 30m on OM3 / 50m on OM4 rating. Connection is through Dual MTP/MPO-12 APC. Product data, application guidance and factory verification are presented together to support installers plan a serviceable optical connection at the equipment rack.
OEM Part Number: MMA4Z00-NSHT Part Number: OSFP-SR8-800G
| NVIDIA/Mellanox InfiniBand Compatible | MMA4Z00-NS |
|---|---|
| Manufacturer | HT |
| HT Part Number | OSFP-SR8-800G |
| Form Factor | Twin-port OSFP IHS/Finned Top |
| Max Data Rate | 850Gbps (8x 106.25Gbps) |
| Wavelength | 850nm |
| Max Cable Distance | 30m@OM3/50m@OM4 |
| Connector | Dual MTP/MPO-12 APC |
| Media | MMF |
| Transmitter Type | VCSEL |
| Receiver Type | PIN |
| TX Power | -4.6~4dBm |
| Minimum Receiver Power | -6.4dBm |
| Power Budget | 1.8dB |
| Receiver Overload | 4dBm |
| Max. Power Consumption | 16W |
| Extinction Ratio | >2.5dB |
| DDM/DOM | Supported |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Modulation (Electrical) | 8x100G-PAM4 |
| Modulation (Optical) | Dual 4x100G-PAM4 |
| CDR (Clock and Data Recovery) | TX & RX Built-in CDR |
| Inbuilt FEC | No |
| MTBF | 6720167 Hours (@40°C, 60% CL)4277043 Hours (@40°C, 90% CL) |
| Application | 800G Ethernet |
| Protocols | OSFP MSA, CMIS 5.0, IEEE 802.3db, IEEE 802.3ck |
Plan the fiber route before removing connector protection. The patch lead should follow its manager without pulling on the transceiver, while leaving space to release the latch and service adjacent ports. Protect the end face until final connection and avoid tight bends immediately behind warm exhaust air. For this model, the principal parameters are data rate 850Gbps (8x 106.25Gbps), wavelength 850nm, rated reach 30m on OM3 / 50m on OM4.
Typical deployments include switch-to-switch, switch-to-server and aggregation links inside a data hall or between adjacent equipment rooms. The Dual MTP/MPO-12 APC interface connects to the specified multimode cabling, and the stated reach depends on fiber grade and link loss. Keep this interface on the matching multimode optical standard rather than connecting it directly to a single-mode wavelength or reach variant.
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/Finned Top housing alone does not make two transceiver types interoperable.
For this multimode module, confirm fiber grade, modal bandwidth and total loss before commissioning. The 30m on OM3 / 50m on OM4 figure applies only under suitable cabling conditions. Inspect every Dual MTP/MPO-12 APC mating point and match the remote optical standard.
For this model, the specified transmit-power range is -4.6~4dBm; the stated optical power budget is 1.8dB. 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. Diagnostic monitoring is listed as Supported. 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.
Quality control covers the optical or electrical interface, host identification and operating link. The verified unit is then individually protected and cartoned. Customer references, rack groups and project packing lists can be added for volume orders.
The module is checked for host recognition as MMA4Z00-NS, link establishment and diagnostic reporting. Physical cage fit alone is not treated as evidence of compatibility. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.
No. It is an HT-manufactured compatible alternative for equipment that specifies MMA4Z00-NS, not an original NVIDIA/Mellanox-branded module.
Use Dual MTP/MPO-12 APC with MMF. The specified maximum reach is 30m on OM3 / 50m on OM4, subject to fiber quality and total link loss.
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.
Use MMA4Z00-NS as the compatibility cross-reference and OSFP-SR8-800G 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.
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.
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