• HYTOPTODEVICE HPE Aruba R9B63A compatible 100G QSFP28 single lambda 1310nm 2km SMF transceiver
  • HYTOPTODEVICE 100GBASE-FR PAM4 QSFP28 module with KP4 FEC for Aruba 2km data center links
  • HYTOPTODEVICE zero alarm plug and play R9B63A replacement 100G FR optical module
  • HYTOPTODEVICE HPE Aruba R9B63A compatible 100G QSFP28 single lambda 1310nm 2km SMF transceiver
  • HYTOPTODEVICE 100GBASE-FR PAM4 QSFP28 module with KP4 FEC for Aruba 2km data center links
  • HYTOPTODEVICE zero alarm plug and play R9B63A replacement 100G FR optical module

HPE Aruba R9B63A Compatible 100G QSFP28 Transceiver Module Single Lambda | FR 1310nm 2km Bulk Wholesale | HYTOPTODEVICE

HYTOPTODEVICE HPE Aruba R9B63A compatible 100G QSFP28 FR single-lambda transceiver, 1310nm PAM4 with KP4 FEC, 2km OS2 single-mode fiber. IEEE 802.3cd & 100G Lambda MSA compliant, pre-programmed EEPROM for zero-alarm deployment on Aruba CX switches, ideal for leaf-spine and 100G-to-400G data center migration.Support bulk wholesale, private label and custom EEPROM coding available for global importers, distributors and integrators.
NO. Brand  Compatible P/N Remarks
1 Cisco  QSFP-100G-FR-S
2 Arista Networks  QSFP-100G-FR
3 AVAGO Broadcom  AFCT-89SFDZ 
4 Dell  Q28-100G-FR
5 Huawei  QSFP-100G-FR1
6 HPE Aruba  R9B63A
7 Juniper  QSFP-100G-FR
8 Brocade   AFCT-89SFDZ
Description
HPE Aruba R9B63A Compatible 100G QSFP28 Transceiver Module Single Lambda | FR 1310nm  2km SMF | HYTOPTODEVICE

Product Overview

This 100G QSFP28 FR transceiver serves as a drop-in, cost-saving alternative to the original HPE Aruba R9B63A module, designed for seamless deployment on Aruba CX switching platforms.
It uses standard single-lambda PAM4 modulation plus integrated KP4 FEC correction, delivering reliable 100G Ethernet up to 2km over OS2 single-mode fiber. The onboard DSP converts 4×25G NRZ electrical lanes into a single 100G PAM4 optical lane, preserving signal integrity for medium-reach data center links.
Fully aligned with IEEE 802.3cd, QSFP28 MSA and 100G Lambda MSA standards, the module supports DDM/DOM real-time optical diagnostics. Pre-flashed Aruba-adapted EEPROM enables hot-swap operation with minimal alarms, suited for leaf-spine fabrics, aggregation trunks and gradual 100G-to-400G FR4 breakout migration.

Key Technical Specifications

HPE Aruba Compatible R9B63A Vendor Name HYTOPTODEVICE
Form Factor QSFP28 Max Data Rate 100Gbps Single Lambda
Wavelength 1310nm
Max Distance 2km
Connector Duplex LC/UPC Transmitter Type EML
Cable Type SMF Receiver Type PIN
FEC Support Yes TX Power -2.4~+4.0dBm
Power Consumption <4W Receiver Sensitivity < -4.5dBm
Protocols QSFP28 MSA, SFF-8636, IEEE 802.3cu, CAUI-4 Operation Temperature 0 to 70°C (32 to 158°F)


Usage Guidelines & Best Practices

  • Fiber Requirement: Only compatible with OS2 single-mode fiber; OM3/OM4 multimode fiber cannot support 1310nm PAM4 transmission and will cause link failure.
  • FEC Configuration: Enable standard port FEC on HPE Aruba switches to maximize 2km link margin and ensure ultra-low BER transmission.
  • Installation Specification: Support hot-plug deployment; keep LC fiber end faces clean and maintain standard fiber bend radius to avoid signal loss.
  • Distance Limit: Rated for 2km OS2 SMF transmission; excessive splicing, dirty connectors or over-bending will reduce actual transmission distance.
  • Operating Environment: Commercial temperature range 0°C–70°C; keep port ends dry and dust-free to extend service life.

Full Compatibility List & Supported Network Hardware

1. Supported Hardware & Firmware
HYTOPTODEVICE R9B63A compatible FR modules match the original form factor and optical parameters. Pre-programmed Aruba-compatible EEPROM supports plug-and-play on mainstream Aruba CX platforms. Every unit undergoes real-machine validation to reduce unrecognized module warnings, negotiation instability and intermittent link flapping.
Validated Aruba CX Platforms:
  • Aruba CX 8325, CX 8360 leaf-spine data center switches
  • Aruba CX 6400, CX 6300 enterprise aggregation switches
  • Aruba CX 8400 modular core chassis switches
  • All Aruba devices with standard QSFP28 100G FR1 port profiles

2. Multi-Brand Cross Compatibility

Built on universal MSA standards, these HPE Aruba compatible transceivers offer broad cross-brand interoperability. They work seamlessly with Cisco, Arista, Dell, Juniper, H3C and NVIDIA/Mellanox hardware, supporting multi-vendor hybrid networks and flexible phased upgrades for Huawei data centers.

3. Free Value-Added Services

We offer free EEPROM rewriting and private label customization. Pre-shipment real-machine testing and professional technical support are provided. Bulk orders enjoy tiered pricing to lower your data center hardware investment cost.

Primary Application Scenarios
  • 2km medium-reach leaf-spine inter-switch connections for Aruba CX fabrics
  • 100G high-bandwidth core and aggregation trunk expansion for Aruba enterprise networks
  • 100G ToR switch uplinks for AI, HPC and virtualization server clusters
  • Inter-floor and campus medium-distance 100G single-lambda fiber transmission
  • Phased 100G to 400G network migration via 400G FR4 breakout networking
  • Multi-vendor hybrid network deployment for Aruba cloud and enterprise infrastructure

Connectivity Solutions(Applications)

1.Leaf-Spine Architecture Deployment
HYTOPTODEVICE 100G FR single-lambda modules stabilize 2km low-latency inter-switch links for Aruba leaf-spine fabrics. Built-in KP4 FEC mitigates minor signal impairments and supports consistent east-west traffic, suitable for virtualization, container orchestration and AI workloads on Aruba CX switches.

HYTOPTODEVICE 100G FR single lambda module for HPE Aruba CX leaf spine architecture


2. 100G to 100G for Switch-Switch Interconnection

This Huawei compatible 100g module upgrades core-to-aggregation trunk bandwidth. It maximizes existing OS2 single-mode fiber utilization, delivering stable, error-free 100G long-term trunk transmission and lowering infrastructure renovation costs.

HYTOPTODEVICE 100G switch-switch interconnection 2km FR transceiver for Aruba core trunks

3.100G to 100G for Switch-NIC Connection

With 2km ultra-long transmission coverage, the module builds reliable 100G high-speed uplinks between ToR switches and server NICs. Compact LC connectors enable dense, tidy rack cabling, ideal for HPC, AI and virtualization clusters, and reserve space for future 400G network upgrades.

HYTOPTODEVICE 100G switch-NIC uplink module for Aruba server cluster connections

4.100G to 400G Smooth Network Migration

Supporting standard 400G FR4 breakout, our 100G FR modules enable mixed 100G/400G fabrics for Aruba data centers. Operators can increase bandwidth incrementally while preserving existing switches and fiber, cutting downtime and renovation expenses.

HYTOPTODEVICE 100G to 400G smooth network migration FR1 module for Aruba data center upgrade


The Core Feature 

1.Phased upgrade without full infrastructure replacement

Single-lambda PAM4 design and standard KP4 FEC allow seamless 400G FR4 breakout migration. Customers expand bandwidth in batches while reusing Aruba switching and fiber assets, maximizing utilization and lowering total TCO.

HYTOPTODEVICE 100G FR module support phased network upgrade without full infrastructure replacement



2.
Verified Host Interoperability

Pre-flashed Aruba-adapted EEPROM firmware; all HYTOPTODEVICE modules pass real-machine verification across CX generations. Zero-alarm plug-and-play recognition without link flapping, port lockdowns or compatibility errors on both legacy and new hardware.
HYTOPTODEVICE compatible 100G FR transceiver with verified multi-brand host interoperability

3.Comprehensive Factory Testing & Reliable Performance

Every module undergoes optical calibration, temperature cycling and 72-hour full-rate traffic aging before delivery. Low power consumption (≤4.0W) reduces device thermal load and data center PUE, ensuring ultra-low BER and 24/7 stable commercial operation.

HYTOPTODEVICE 100G FR QSFP28 module comprehensive factory testing stable performance



FAQ

Q1: Which official standard does HPE Aruba R9B63A 100GBASE-FR follow?
A1: HYTOPTODEVICE compatible R9B63A transceiver complies with IEEE 802.3cd 100GBASE-FR and 100G Lambda MSA specifications. It adopts single-lambda 1310nm design, fully matching Aruba CX port requirements, and supports hot-plug without forced firmware adjustments.

Q2: How does 100GBASE-FR handle electrical-to-optical signal conversion?
A2: It receives four independent 25.78125G NRZ electrical lanes from the switch port. The built-in DSP chip synchronizes and aggregates these signals, then modulates into a single 53.125GBd PAM4 optical stream for 2km OS2 fiber transmission.

Q3: What laser design is implemented inside 100GBASE-FR modules?
A3: Our R9B63A replacement module uses 1310nm EML laser. Compared with ordinary DFB solutions, EML delivers cleaner optical eye diagram, lower TDECQ penalty and stronger signal integrity, critical for stable PAM4 links at the 2km rated distance.

Q4: Can I interconnect 100GBASE-FR with 100GBASE-DR modules directly?
A4: Interoperability is possible at the physical layer because both use 1310nm single-lambda PAM4 and KP4 FEC. Still, you need to verify switch port configuration on Aruba CX; inconsistent FEC modes may create random frame loss or unstable negotiation.

Q5: What risks appear when mixing Aruba OEM optics and third-party 100G FR modules in one fabric?
A5: The main challenges come from different vendor EEPROM profiles, default FEC policies and DDM reporting formats. Some Aruba CX versions may trigger warning logs, while mismatched equalization tuning can increase latency jitter during heavy east-west traffic. Our modules pass Aruba real-device testing to mitigate these issues.

Q6: Is the standard R9B63A compatible module suitable for outdoor or industrial cabinet deployment?
A6: The standard variant supports commercial temperature 0°C to 70°C, designed for indoor data center racks. For outdoor shelters or factories with extreme thermal swings, select our extended industrial temperature option; commercial-grade units may suffer power drift and rising error rates under harsh conditions.

Q7: What cooling practice should I follow when fully loading Aruba CX ports with 100G FR transceivers?
A7: Although each module consumes under 4W, dense QSFP28 port loading accumulates heat. Maintain consistent front-to-back airflow, avoid blocking vent panels, and do not overstack adjacent racks. Elevated case temperature gradually reduces optical budget margin over time.

Q8: What symptoms indicate a module is running too hot inside Aruba CX switches?
A8: Visible signs include fluctuating receive power readings in DDM, intermittent CRC errors under high throughput, occasional link resets, and persistent temperature alarms. Continuous overheating accelerates laser aging and shortens the usable lifespan of the transceiver.

Q9: Does the 100GBASE-FR optical budget guarantee reliable 2km operation on any OS2 fiber?
A9: The standard power budget assumes clean OS2 fiber, limited splices and properly polished LC connectors. Too many intermediate splices, contaminated end faces or sharp fiber bends add unexpected loss and may drop the effective reach below 2km even with compliant cable type.

Q10: Can I extend the link beyond 2km by simply using longer OS2 patch cords?
A10: Not recommended. 100GBASE-FR is engineered for 2km maximum reach. Exceeding this distance depletes the optical margin; PAM4 becomes far more sensitive to noise, leading to silent frame loss that may not immediately trigger obvious port-down alerts. For longer spans, choose 100GBASE-LR.

Q11: Why must fiber connector cleaning be strict for PAM4-based 100G FR links?
A11: PAM4 carries more information per symbol than traditional NRZ, making it more sensitive to reflections and insertion loss. Even tiny dust particles or scratches on LC end faces distort signal waveforms, degrade TDECQ performance and gradually raise error counts during sustained data center workloads.


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.

  • Up to 70% cost savings vs OEM, transparent pricing & flexible bulk rates, supported quality returns
  • 100% real-device compatible with Cisco, Huawei,Dell,Juniper, and Arista
  • ISO 9001:2015 Shenzhen factory, full lineup: 1.25G/10G/25G/40G/100G/200G/400G/800G/1.6T transceivers
  • Ample stock, fast global DHL/FedEx shipping in 3–5 working days
  • Free pre-sales engineering support for custom EEPROM  & private label firmware
  • Real switch test videos available for pre-purchase review; inspection & shipping videos provided per order

“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.




Rigorous Industrial Product Testing

   hytoptodevice check device and equiptment for optical transceiver module

100% 3rd Party Compatible
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  • HYTOPTODEVICE HPE Aruba R9B63A compatible 100G QSFP28 single lambda 1310nm 2km SMF transceiver
  • HYTOPTODEVICE 100GBASE-FR PAM4 QSFP28 module with KP4 FEC for Aruba 2km data center links
  • HYTOPTODEVICE zero alarm plug and play R9B63A replacement 100G FR optical module

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