| 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 |
| Arista Compatible | SFP-25G-SR | 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







Q1: What separates generic optical transceivers from brand-locked compatible SFP28 SR Module? A1: Generic modules lack customized EEPROM ID matching Arista’s OS and often trigger port alarms. Our Arista-matched SFP28 SR Module is pre-programmed with dedicated brand-specific identification data, fully validated on Arista firmware without error logs. Ideal for buyers searching for Arista certified brand-specific SFP28 SR Module bulk procurement.
Q2: Does deploying aftermarket SFP28 SR Module invalidate the original hardware warranty of Arista switches?
A2: Arista’s official hardware policy does not void chassis warranty for fully MSA-compliant optical transceivers. All HYTOPTODEVICE SFP28 SR Module strictly follow SFP28 MSA standards with preloaded legitimate vendor ID, eliminating warranty dispute risks for enterprise network assets.
Q3: How to troubleshoot the unknown transceiver alert popping up on Arista switch ports?
A3: This error usually comes from mismatched EEPROM coding or untested third-party optics. Our SFP28 SR Module undergoes full Arista real-machine validation before shipment to avoid such alerts. We also offer free EEPROM recalibration service for all bulk order clients to quickly fix port recognition failures.
Q4: Which fiber patch cable type pairs with this SFP28 SR Module, LC duplex or MTP/MPO?
A4: This Arista compatible SFP28 SR Module adopts duplex LC port design, so standard LC duplex multimode cords (OM3/OM4/OM5) are required. MTP/MPO cables cannot be directly plugged in without adapter splitters, which will add extra signal attenuation for 25G transmission.
Q5: Is optical port cleaning a mandatory step before installing SFP28 SR Module?
A5: Yes, dust, oil stains and debris on fiber end faces will raise optical loss and cause unstable 25G links. We supply free fiber cleaning tools for large bulk orders, and our operation guide covers standard cleaning procedures to guarantee long-term link stability.
Q6: What causes abnormal overheating of 25G SFP28 SR transceivers on high-density racks?
A6: Excessive heat mainly stems from high-power inferior chips or poor structural heat dissipation. Our SFP28 SR Module features ≤1.0W low-power architecture and optimized heat conduction design, running cool even in fully populated Arista switch racks, a top pick for high-density data center SFP28 SR Module wholesale purchase.
Q7: Do you supply ultra-low latency SFP28 SR Module customized for HFT high-frequency trading scenarios?
A7: We provide dedicated ultra-low latency variant of this Arista compatible SFP28 SR Module with optimized internal circuit layout to cut signal delay to minimum, perfectly fit HFT cluster low-latency transmission demands for financial trading project bulk tender.
Q8: What standardized test reports can your factory provide for bulk SFP28 SR Module orders?
A8: HYTOPTODEVICE delivers complete batch inspection documents including optical power testing, aging cycle records, Arista compatibility test logs and laser safety certifications for every shipment. All testing follows IEEE 25GBASE-SR and SFP28 MSA industry standards to prove consistent product quality.
Q9: Why do some third-party SFP28 SR modules break down shortly after deployment?
A9: Most short-lived faulty modules use recycled VCSEL lasers, unqualified raw PCBs or skip full aging testing. Our factory only uses brand-new industrial-grade components and runs 72-hour full-load aging for every batch, drastically cutting early failure rates for long-term network operation.
Q10: Is hot-plug replacement allowed for these Arista compatible SFP28 SR Module while the switch stays powered on?
A10: Our SFP28 SR Module complies with MSA hot-swap specification, supporting live insertion and removal on running Arista switches without system crash or link drop. This function helps data center teams carry out maintenance without whole rack shutdown, lowering operation 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.






