| 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 |
| Dell Compatible | SFP28-25G-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) |
Dell S5248F-ON / S5232F-ON / S5296F-ON
Firmware/OS Version: SmartFabric OS10 (Enterprise Edition 10.5.2.x and above)
Dell Z9264F-ON / Z9100-ON
Firmware/OS Version: SmartFabric OS10 (10.5.0.x or higher) / Enterprise SONiC Distribution
Dell N3248PX-ON (Using 25G uplinks)
Firmware/OS Version: Dell Networking OS 6.8.x
Typically used in Dell PowerEdge R640, R740, R650, R750, R660, and R760 servers equipped with the following NICs:
Dell Broadcom 57414 Dual Port 25Gb SFP28
Firmware Version: Family Firmware Version 22.x / 23.x
Dell Intel E810-XXVDA2 Dual Port 25Gb SFP28
Firmware Version: Intel FW 4.x / 5.x series (updated via Lifecycle Controller)
Dell Mellanox ConnectX-5 / ConnectX-6 Lx 25Gb SFP28
Firmware Version: Mellanox FW 16.x / 26.x series
3. Free Custom EEPROM & Bulk OEM Service
The Scenario: Upgrading data center networks from traditional 10G to 25G to eliminate bandwidth bottlenecks without upgrading the existing fiber cabling infrastructure.
The Application: Connecting Dell PowerSwitch S-Series (e.g., S5248F-ON) Top-of-Rack (ToR) leaf switches to the spine switches, leveraging existing OM3/OM4 multimode fiber runs.
The Scenario: Provisioning high-throughput network access for mission-critical enterprise applications, virtualization, and cloud computing workloads.
The Application: Linking Dell PowerEdge R750/R760 servers (equipped with 25G dual-port Intel or Broadcom network interface cards) directly to 25G distribution switches, ensuring seamless, redundant 25Gbps uplinks per server.
The Scenario: Supporting high-speed data replication, backup, and low-latency storage access in NVMe-over-Fabrics (NVMe-oF) or hyperconverged setups like VMware vSAN.
The Application: Connecting Dell PowerScale or Unity storage arrays and Dell VxRail HCI nodes to the network fabric to handle massive I/O loads with minimal latency.
The Scenario: Aggregating traffic from multiple building or departmental switches to the main campus core switch network.
The Application: Utilizing the 25G SFP28 ports on Dell PowerSwitch N-Series (e.g., N3248PX-ON) switches to establish high-speed aggregation uplinks over short distances within a building or corporate headquarters.
Q1: Is it feasible to install a 25G SFP28 SR transceiver into a 10G SFP+ hardware slot?
A1: This SFP28 SR Transceiver cannot work normally within 10G SFP+ slots due to inconsistent pin layout, electrical protocols and transmission rate logic. Mismatched slot types will result in unrecognized hardware and total link failure. Our factory suggests matching port specifications strictly, ideal planning for Dell mixed-rate network SFP28 SR Transceiver bulk procurement.
Q2: Is FEC forward error correction function supported on this Dell compatible SFP28 SR Transceiver?
A2: All our Dell compatible SFP28 SR Transceiver fully support RS-FEC function. Enabling FEC on Dell Connect interconnect ports maximizes OM4 fiber transmission distance and boosts anti-interference capacity for long-distance cabinet cabling.
Q3: Is stable link transmission achievable when matching one 25G SR module with a 25G LR long-reach transceiver on the same fiber link?
A3: Mixing SR multimode and LR single-mode transceivers on one link is not supported. The two variants adopt different light wavelengths and fiber design standards, leading to severe signal attenuation and permanent link failure. Unified SR or LR modules must be deployed end-to-end for blade SAN networking.
Q4: Is it possible to split a single 100G QSFP28 SR4 port into four independent 25G SFP28 SR transmission channels via breakout wiring?
A4: Yes, this SFP28 SR Transceiver perfectly matches 100G SR4 breakout cables to realize 4×25G high-density splitting. It effectively upgrades port utilization on Dell interconnect modules, a top choice for data center high-density breakout SFP28 SR Transceiver wholesale purchase.
Q5: My cabling adopts standard OM4 multimode fiber, yet the 100m links keep losing packets. What causes this issue?
A5: Common root causes include disabled RS-FEC, dirty fiber end faces, excessive stacked patch cords or low-quality non-compliant OM4 cable. Our technical team offers free pre-deployment cabling inspection for all bulk orders to eliminate packet loss risks in blade enclosure infrastructure.
Q6: What makes certain 25G SFP28 SR transceivers overheat severely inside fully populated Dell interconnect bays?
A6: Excessive heat mainly comes from inferior high-power chips and poor heat dissipation structures unsuitable for sealed blade cabinet airflow. Our SFP28 SR Transceiver adopts ≤1.0W low-power circuit design with optimized thermal structure, maintaining stable temperature even in full-load chassis deployment.
Q7: The DOM monitoring displays low received signal strength or alarm prompts, how to resolve this issue?
A7: Low RX power alarms usually stem from contaminated fiber ports, bent fiber cables, mismatched fiber grades or excessive link attenuation. We supply complimentary fiber cleaning kits for large procurement batches to regularly maintain optical ports and fix signal loss issues on Dell networks.
Q8: How to distinguish suppliers that supply refurbished or B-class defective laser components inside optical modules?
A8: HYTOPTODEVICE only deploys brand-new industrial VCSEL lasers for all SFP28 SR Transceiver batches. We provide complete component origin certification and batch inspection records for every bulk shipment, completely avoiding recycled and substandard laser raw materials for enterprise project construction.
Q9: What standardized test documents and inspection criteria can your factory provide for bulk SFP28 SR Transceiver orders?
A9: We deliver full compliance test reports covering optical power testing, 72-hour full-load aging cycles, Dell interconnect compatibility verification and laser safety certification. All testing strictly follows IEEE 25GBASE-SR and SFP28 MSA industry standards to guarantee consistent batch quality for blade infrastructure construction SFP28 SR Transceiver bulk tender orders.
Q10: What operating wavelength does the SFP28 25G SR multimode transceiver adopt?
A10: This Dell compatible SFP28 SR Transceiver uses an 850nm VCSEL light source, the standard wavelength for 25GBASE-SR multimode short-distance transmission, matching OM3/OM4/OM5 multimode fiber specifications for cabinet internal networking.
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.
