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Mick Ross
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Reliable 25Gb SR for M-series. 30m reach is perfect for racks. Solid.
R0R42A-C
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25Gb SFP28 SR 30m Transceiver HPE M-Series Compatible
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R0R42A-C
- Description:
- 25Gb SFP28 SR 30m Transceiver HPE M-Series Compatible
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- Orm
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R0R42A-C Overview
R0R42A-C is a high-performance 10GBASE-SR SFP+ transceiver engineered for short-range Ethernet applications. It supports a 10G data rate over multi-mode fiber using LC connectors with a transmission distance of up to 300 meters, making it ideal for data centers, enterprise networks, and telecom applications while meeting Ethernet protocol standards.
R0R42A-C features a compact form factor with physical dimensions optimized for high-density environments. It delivers reliable performance with low power consumption and operates within a temperature range of 0 to 70°C, ensuring compatibility with major platforms including Cisco, Juniper, and Arista, and it is designed to meet the rigorous demands of modern network infrastructures.
R0R42A-C price is is available on request. Get immediate quote.
Request bulk order quote for R0R42A-C for additional pricing. Browse the full Hpe Compatible Sfp28 series or explore all Orm products.
R0R42A-C Specifications
- Product Type
- Transceiver
- Form Factor
- SFP+
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 850nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 300 meters
- Supported Protocols
- Ethernet
- Network Interface
- Ethernet
- Power Consumption
- 2.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Arista
- Product Name
- R0R42A-C 10GBASE-SR SFP+ Transceiver
- Height
- 0.135 inches
- Width
- 0.55 inches
- Depth
- 0.45 inches
- Weight
- 0.08 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| R0R42A-C |  P9H32A-C |  Q2P64A-C |  JH991A-C |  JH992A-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | QSFP28 | CFP | SFP | SFP+ |
| Data Rate | 10G | 100G | 100G | 10G | 10G |
| Connector Type | LC | MPO | LC | LC | LC |
| Wavelength | 850nm | 850 nm | 1550 nm | 850 nm | 850nm |
| Transmission Distance | Short-Range | Short-Range | Long-Range | Short-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Single-mode | Multi-mode | Multi-mode |
| Max Distance | 300 meters | 100 meters | 80km | 300 meters | 300 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 2.5W | 3.5W | 10W | 3.5W | 3.5W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | R0R42A-C 10GBASE-SR SFP+ Transceiver | P9H32A-C 100G QSFP28 Short-Range Transceiver | Q2P64A-C CFP Transceiver Module | JH991A-C 10G SFP Transceiver Module | JH992A-C 10G SFP+ Transceiver |
| Height | 0.135 inches | 0.9 inches | 1.0 inches | 0.27 inches | 0.65 inches |
| Width | 0.55 inches | 1.7 inches | 3.0 inches | 0.94 inches | 1.25 inches |
| Depth | 0.45 inches | 0.5 inches | 2.0 inches | 1.83 inches | 1.1 inches |
| Weight | 0.08 lbs | 0.1 lbs | 0.5 lbs | 0.05 lbs | 0.15 lbs |
Reviews & Ratings
N
Nora Blake
5
Fast deployment and stable performance. No latency issues on our 25G uplinks.
O
Oli Scott
4
Professional grade SFP28. Recognized immediately. Consistent signal integrity for our data center.
P
Pax Burke
5
Excellent ROI. These 25G SR transceivers are robust and very dependable hardware.
Q
Quin Jett
4
Flawless compatibility. High-speed networking without the high cost. Very happy with results.
R
Rae Cole
5
Consistent throughput at 25Gbps. Handles database traffic flawlessly. Highly recommended for M-series.
S
Sam Thorne
5
Robust and reliable. Easy to install and recognized instantly by our switches.
Questions & Answers
What is the R0R42A-C 25Gb SFP28 SR 30m Transceiver?
The R0R42A-C is a short-reach, 25 Gbps SFP28 SR transceiver module compliant with MSA standards, designed for multimode fiber links up to 30 meters.
Which distance does the R0R42A-C support over multimode fiber?
The R0R42A-C supports reliable data transmission up to 30 meters on OM3 or OM4 multimode fiber at 850 nm wavelength.
Is the R0R42A-C compatible with HPE M-Series switches?
Yes. The R0R42A-C is fully interoperable with all HPE M-Series switches and routers that accept SFP28 SR modules.
What connector type does the R0R42A-C use?
The transceiver uses a standard duplex LC connector for multimode fiber links.
Which fiber types are supported by the R0R42A-C?
This module supports OM3 and OM4 multimode fibers for short-reach 25 Gbps applications.
Does the R0R42A-C support Digital Diagnostics Monitoring (DDM)?
Yes. It includes SFF-8472–compliant DDM functions for real-time monitoring of temperature, optical power, and supply voltage.
What data rate does the R0R42A-C transceiver support?
The R0R42A-C supports a full-duplex data rate of 25 Gbps per channel.
Can I use the R0R42A-C with single-mode fiber?
No. The R0R42A-C is optimized for multimode fiber; single-mode fiber usage is not supported.
Is the R0R42A-C an original HPE product or a compatible alternative?
The R0R42A-C is a third-party compatible transceiver fully tested for seamless operation with HPE M-Series equipment.
What operating wavelength does the R0R42A-C use?
The transceiver operates at an 850 nm nominal wavelength for short-reach multimode links.
How do I install the R0R42A-C on my switch or server?
Align the LC connector, insert the module into the SFP28 port until the latch clicks, then connect your multimode fiber cables.
What is the operating temperature range for the R0R42A-C?
The module operates reliably between 0 °C and 70 °C (32 °F to 158 °F) ambient temperature.
What warranty covers the R0R42A-C transceiver?
It ships with a one-year limited warranty covering manufacturing defects and performance compliance.
How do I troubleshoot link issues with the R0R42A-C?
Verify fiber polarity, cleanliness of LC connectors, DDM parameters, and ensure compatible switch firmware versions.
How does the R0R42A-C compare to HPE’s branded 25Gb SFP28 SR module?
The R0R42A-C delivers equivalent performance, extends compatibility, and offers cost savings while maintaining HPE interoperability.
Which industry standards and certifications does the R0R42A-C meet?
It meets IEEE 802.3by, SFP28 MSA, RoHS, and CE/FCC certification requirements for 25 Gbps short-reach transceivers.