| NO. | Brand | Compatible P/N | Remarks |
| 1 | Cisco | SFP-25G-SR-S | |
| 2 | Arista Networks | SFP-25G-SR | |
| 3 | Brocade | 25G-SFP28-SR | |
| 4 | H3C | SFP-25G-SR-MM850 | |
| 5 | HPE BladeSystem | 845398-B21 | |
| 6 | Huawei | SFP-25G-SR | |
| 7 | Juniper | JNP-SFP-25G-SR | |
| 8 | NVIDIA(Mellanox) | MMA2P00-AS |
| H3C Compatible | SFP-25G-SR-MM850 | Vendor Name | HYTOPTODEVICE |
| Form Factor | SFP28 | Max Data Rate | 25Gbps |
| Wavelength | 850nm | Max Distance | 70m over OM3 / 100m over OM4 |
| Connector | Duplex LC | Transmitter Type | VCSEL |
| Cable Type | MMF | Receiver Type | PIN |
| TX Power | -6.0~+2.4dBm | Receiver Sensitivity | < -10.3dBm |
| Max. Power Consumption | ≤1W | DOM/DDM | Fully Supported |
| Protocols | SFF-8472, SFF-8024, SFF-8431, SFF-8432 | Operation Temperature | 0 to 70°C (32 to 158°F) |
3. Free Custom EEPROM & Bulk OEM Service
Cost-effective H3C SFP-25G-SR-MM850 replacement SFP28 SR Transceiver for enterprise & data center bulk procurement:
Q1: What separates generic optical transceivers from brand-locked compatible SFP28 SR Transceiver?
A1: Generic modules lack customized EEPROM ID matching H3C Comware OS and often trigger port unsupported alarms. Our H3C-matched SFP28 SR Transceiver is pre-programmed with dedicated brand-specific identification data, fully validated on H3C firmware without error logs. Ideal for buyers searching for H3C campus dedicated brand-matched SFP28 SR Transceiver bulk procurement.
Q2: Does deploying aftermarket SFP28 SR Transceiver invalidate the original hardware warranty of H3C switches?
A2: H3C’s official hardware policy does not void chassis warranty for fully MSA-compliant optical transceivers. All HYTOPTODEVICE SFP28 SR Transceiver strictly follow SFP28 MSA standards with preloaded legitimate vendor ID, eliminating warranty dispute risks for enterprise network asset bulk investment.
Q3: How to troubleshoot unknown transceiver alert popping up on H3C switch ports?
A3: This error mainly arises from mismatched EEPROM coding or unvalidated third-party optics. Our SFP28 SR Transceiver completes full H3C real-machine validation before shipment to avoid such alerts. We also provide free EEPROM recalibration service for all bulk order clients to rapidly resolve port recognition failures.
Q4: Which fiber patch cable matches this SFP28 SR Transceiver, LC duplex or MTP/MPO?
A4: This H3C compatible SFP28 SR Transceiver adopts duplex LC port design, requiring standard LC duplex multimode cords (OM3/OM4/OM5). MTP/MPO cables cannot be directly plugged without split adapters, which introduces extra optical attenuation harmful to stable 25G enterprise network transmission.
Q5: Is optical port cleaning a mandatory step before installing SFP28 SR Transceiver?
A5: Yes, dust, oil residues and tiny debris on fiber end faces raise optical loss and cause unstable 25G campus/data center links. We supply complimentary fiber cleaning kits for large bulk orders, and our operation manual covers standardized cleaning workflows to sustain long-term link consistency.
Q6: What triggers abnormal overheating of 25G SFP28 SR transceivers on fully populated switch racks?
A6: Excess heat mostly comes from high-power inferior chips and poor internal heat dissipation design. Our SFP28 SR Transceiver features ≤1.0W low-power architecture and optimized heat conduction structure, running cool even in fully loaded H3C switch racks, a top selection for high-density enterprise data center SFP28 SR Transceiver wholesale purchase.
Q7: Do you supply ultra-low latency SFP28 SR Transceiver customized for HFT high-frequency trading clusters?
A7: We deliver dedicated ultra-low latency variants of this H3C compatible SFP28 SR Transceiver with streamlined internal circuit layout to minimize signal delay, perfectly matching HFT financial computing cluster low-latency transmission demands for financial enterprise low-latency network SFP28 SR Transceiver bulk tender orders.
Q8: What standardized test reports can your factory provide for bulk SFP28 SR Transceiver shipments?
A8: HYTOPTODEVICE provides full batch inspection documents including optical power test records, 72-hour aging cycle logs, H3C switch compatibility test records and laser safety certification for every shipment. All testing complies with IEEE 25GBASE-SR and SFP28 MSA industry standards to prove consistent batch quality.
Q9: Why do many third-party SFP28 SR modules malfunction shortly after deployment?
A9: Most short-fault modules use recycled VCSEL lasers, unqualified PCB substrates and skip mandatory full-load aging testing. Our factory only adopts brand-new industrial-grade components and runs full 72-hour continuous aging for every batch, drastically cutting early failure rates for long-term enterprise H3C network operation.
Q10: Is hot-plug replacement supported for these H3C compatible SFP28 SR Transceiver while the switch stays powered on?
A10: Our SFP28 SR Transceiver complies with MSA hot-swap specifications, supporting live insertion and removal on running H3C switches without system crash or link drop. This function allows network operation teams to conduct maintenance without full rack shutdown, lowering overall enterprise data center downtime cost.
Why Network Engineers Choose HYTOPTODEVICE
HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.
“Phenomenal performance. We deployed 200 HYTOPTODEVICE SFP modules to replace Cisco OEMs in our backbone network. Result? Zero compatibility issues and a 60% reduction in costs. Highly recommended for mission-critical networks."— Senior Network Engineer, Regional Telecom, Australia
Quality Certification & Compliance
At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final visual inspection, from IQC、IPQC、FQC to OQC, our processes ensure global compliance and reliability.
We adhere to rigorous standards for our SFP modules and network solutions:
ISO 9001: Certified quality management and production consistency.
CE & FCC: Fully compliant for seamless Global Market Access.
RoHS: Committed to environmental responsibility and hazardous material control.
Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.
Certified Quality. Global Standards. Guaranteed Performance.
