| 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 |
| NVIDIA(Mellanox) Compatible | MMA2P00-AS | 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) |
All HYTOPTODEVICE MMA2P00-AS 25G SFP28 SR Transceiver pass full real-machine testing on mainstream NVIDIA Mellanox leaf-spine, OCP and HPC hardware, eliminating compatibility faults, system error logs and port alarms. Plug-and-play hot-swap design enables seamless 25G OFED network bulk upgrade and capacity expansion.
• Mellanox Spectrum SN2700 / SN2740 / SN4700 Leaf-Spine Data Center Switches: Fully compatible with all SFP28 port equipped spine/leaf switches for 25G OCP server interconnection.
• Mellanox ConnectX-4 Lx / ConnectX-5 / ConnectX-6 25G Server HBAs: Stable matching for virtualized HPC cluster and storage access optical portsNVIDIA.
• Mellanox OCP Open Rack Standard Switch & Storage Interconnect Modules: Optimized for open hardware standardized 25G multimode fiber backbone transmission.
• Mellanox Virtualized Storage Controller Interfaces: Matches SAN storage uplink SFP28 ports for multi-tenant cloud deployment.
• Mellanox SFP28 port multimode media converters
3. Free Custom EEPROM & Bulk OEM Service
Q1: Is it possible to manually lock a 25G SR transceiver to 10G operation within a native 25G SFP28 port?
A1: Our standard 25G SFP28 SR Transceiver only natively runs 25GBASE-SR and cannot be forced down to 10G speed. We offer customized firmware tuning for special mixed-rate deployment demands, ideal for Mellanox OCP mixed-speed storage network 25G SFP28 SR Transceiver bulk procurement.
Q2: Will deploying aftermarket third-party SFP28 SR transceivers invalidate the original hardware warranty of Mellanox switches?
A2: NVIDIA Mellanox’s official hardware policy does not void chassis warranty for fully MSA-compliant optical transceivers. All HYTOPTODEVICE 25G SFP28 SR Transceiver strictly follow SFP28 MSA specs with legitimate factory-programmed vendor ID, eliminating all warranty dispute risks for enterprise OCP HPC assets.
Q3: Will this transceiver work normally with standard OCP Open Compute Project network interface cards?
A3: Yes. Our 25G SFP28 SR Transceiver has passed full interoperability testing with mainstream OCP open rack NICs and Mellanox ConnectX HBAs, delivering stable zero-error transmission for standardized open hardware data center infrastructure.
Q4: Which type of fiber patch cord matches this Mellanox-compatible 25G SFP28 SR Transceiver, LC duplex or MTP/MPO?
A4: This module adopts duplex LC port design, requiring standard LC duplex multimode patch cables. MTP/MPO trunk cables cannot be directly plugged without split adapters, which will introduce extra optical attenuation and hurt 25G link stability.
Q5: Is optical port cleaning a necessary step before installing the 25G SFP28 SR Transceiver?
A5: Absolutely. Dust, oil stains and tiny debris on fiber end faces raise optical loss and trigger random packet loss on HPC/OCP links. We provide complimentary fiber cleaning kits for all large bulk orders of HYTOPTODEVICE 25G SFP28 SR Transceiver.
Q6: Is digital diagnostic DDM/DOM function built into this Mellanox matching 25G SFP28 SR Transceiver?
A6: Yes. Every HYTOPTODEVICE 25G SFP28 SR Transceiver integrates complete DDM/DOM monitoring, enabling real-time tracking of optical transmit/receive power, internal temperature and operating voltage via Mellanox OFED for easy daily network troubleshooting.
Q7: What negative impacts will electromagnetic interference (EMI) bring to SFP28 SR transceivers?
A7: Severe EMI causes signal distortion, random packet loss and unstable DOM alarms. Our 25G SFP28 SR Transceiver adopts optimized shielding housing and internal circuit layout to resist EMI interference, reliable for dense metal OCP rack deployment, a top pick for high-density open compute HPC 25G SFP28 SR Transceiver wholesale purchase.
Q8: Can I remove and reinsert these Mellanox-compatible 25G SFP28 SR Transceivers while the switch remains powered on?
A8: Our 25G SFP28 SR Transceiver fully complies with MSA hot-swap standards, supporting live plug-and-play on running Mellanox Spectrum switches without link drop or system crash, greatly cutting OCP cluster maintenance downtime.
Q9: What core differences exist between regular SFP28 SR and extended-reach SFP28 eSR transceivers?
A9: Standard SFP28 SR (our model) reaches max 100m over OM4 fiber; eSR uses stronger laser power to extend transmission distance. Our 25G SFP28 SR Transceiver perfectly fits most short-range leaf-spine OCP/HPC scenarios and delivers lower power consumption than eSR variants.
Q10: Can this 25G SFP28 SR multimode transceiver support InfiniBand transmission protocols?
A10: This module is designed exclusively for 25GBASE-SR Ethernet and does not support native InfiniBand protocol. We supply dedicated InfiniBand optical transceivers for special HPC cluster bulk tender projects, customized for financial low-latency InfiniBand HPC 25G SFP28 SR Transceiver bulk tender orders.
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.
