• HYTOPTODEVICE Arista QSFP-100G-PSM4 compatible 100G QSFP28 PSM4 parallel single-mode transceiver 1310nm 500m MPO OS2 SMF
  • HYTOPTODEVICE low power high density 100G PSM4 QSFP28 for high-capacity data center rack deployment
  • HYTOPTODEVICE plug-and-play Arista compatible 100G PSM4 QSFP28 zero authentication alerts
  • HYTOPTODEVICE Arista QSFP-100G-PSM4 compatible 100G QSFP28 PSM4 parallel single-mode transceiver 1310nm 500m MPO OS2 SMF
  • HYTOPTODEVICE low power high density 100G PSM4 QSFP28 for high-capacity data center rack deployment
  • HYTOPTODEVICE plug-and-play Arista compatible 100G PSM4 QSFP28 zero authentication alerts

Arista Networks QSFP-100G-PSM4 Compatible 100G QSFP28 Transceiver | PSM4 1310nm 500m MPO SMF Bulk & Wholesale | HYTOPTODEVICE

HYTOPTODEVICE Arista QSFP-100G-PSM4 compatible 100G QSFP28 PSM4 parallel single-mode optic with 4×25G independent 1310nm lanes, 500m transmission over MPO-12 OS2 ribbon fiber. Preloaded Arista EOS-matched EEPROM eliminates module alarms, built-in RS-FEC & full DDM monitoring. Ideal for Arista leaf-spine fabrics, rack interconnections and native 100G to 4×25G breakout deployments..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-PSM4-S
2 Arista Networks QSFP-100G-PSM4
3 Dell  Q28-100G-PSM4-IR
4 Huawei  QSFP28-100G-PSM4
5 HPE  JH420A
6 Juniper  JNP-QSFP-100G-PSM4
7 EdgeCore  ET7402-PIR4
Description
Arista QSFP-100G-PSM4 Compatible 100G QSFP28 Transceiver | PSM4 1310nm 500m MPO SMF | HYTOPTODEVICE

Product Overview

This 100G PSM4 QSFP28 is a 1:1 drop-in replacement for Arista Networks QSFP-100G-PSM4.
It works seamlessly on all Arista EOS leaf and spine switches without authentication errors.
This parallel single mode optic uses four independent 25G lanes at 1310nm wavelength.
It supports stable 500m transmission over MPO-12 OS2 single mode ribbon fiber.
No CWDM multiplexer design cuts signal loss and simplifies dense rack MPO wiring.
Each unit comes with pre-flashed Arista OEM EEPROM to eliminate "unsupported transceiver" logs.
Built-in RS-FEC correction and full DDM real-time monitoring ensure ultra-low BER performance.
Top use cases: leaf-spine fabric, rack trunk, server uplink and 100G to 4×25G breakout deployment.


Key Technical Specifications

Arista Compatible    QSFP-100G-PSM4 Vendor Name HYTOPTODEVICE
Form Factor QSFP28 Max Data Rate 103.125Gbps (4x 25.78Gbps)
Wavelength 1310nm
Max Distance 500m@OS2
Connector MTP/MPO-12 APC Transmitter Type 4xDFB
Cable Type SMF Receiver Type PIN
FEC Support Yes TX Power -5.5~+2dBm
Power Consumption <3.5W Receiver Sensitivity < -10.2dBm
Protocols QSFP28 MSA, SFF-8636, IEEE 802.3‑2012,CAUI-4 Operation Temperature 0 to 70°C (32 to 158°F)


Usage Guidelines & Best Practices

• Fiber Matching Rule: Only MPO-12 APC 8° angled OS2 single-mode ribbon fiber can be used; OM3/OM4 multimode fiber or UPC polished MPO cables will trigger link failure and hardware damage.
• Lane Polarity Control: Confirm MPO fiber lane sequence and polarity match before powering on ports; misaligned lanes lead to severe receive power imbalance and continuous packet loss.
• Distance Restriction: Stable performance is only guaranteed within the standard 500m MSA rated range; extended fiber routes bring excess lane skew and optical attenuation.
• Hot-Plug Support: Modules support live insertion and removal; regularly clean MPO APC end faces to eliminate dust-induced signal distortion.
• Operating Environment: Limit deployment to indoor 0°C–70°C data center environments; avoid fully sealed cabinets with poor ventilation causing persistent overheating.

Full Compatibility List & Supported Network Hardware

1. Supported Hardware & Firmware
 
This bulk Arista 100G PSM4 QSFP28 matches original mechanical and optical parameters perfectly.
Custom Arista EOS EEPROM coding removes all third-party module warning pop-ups.
Every transceiver passes real switch testing to avoid lane imbalance and random link flapping.
Validated Arista Switch Models:
• Arista 7050X3, 7060X leaf-spine data center switches
• Arista 7280E, 7280R modular core fabric switches
• Arista 7160 low-latency storage switching hardware
• Arista rack servers with QSFP28 100G parallel NIC cards

2. Multi-Brand Cross Compatibility

Built on universal QSFP28 MSA open industry standards.
This Arista replacement PSM4 optic interoperates with Cisco, Juniper, Dell, H3C, Huawei and Mellanox switches.
It fits multi-vendor hybrid cloud fabric and cross-pod colocation interconnection projects.

3. Free Value-Added Services

We offer free Arista-specific EEPROM reprogramming for all bulk QSFP28 orders.
Custom private label printing and one-step data center deployment support are available.
Every 100G PSM4 transceiver finishes calibration, thermal cycle and 72-hour aging test.
Volume wholesale buyers enjoy tiered discounts to cut overall data center CAPEX cost.

Primary Application Scenarios

 • 500m intra-fabric rack-to-rack interconnections inside Arista leaf-spine architectures
• High-density aggregation trunk links for enterprise cloud and multi-tenant colocation data centers
• Low-latency 100G uplinks connecting ToR switches to AI, HPC and virtualization server clusters
• Inter-pod parallel optical transmission using MPO single-mode ribbon fiber
• Network upgrade projects from legacy 40G parallel optics to 100G PSM4
• Standard 100G to 4×25G breakout network deployment for segmented server bandwidth expansion
• Multi-brand hybrid fabric short-distance interconnection built on MPO cabling infrastructure

Connectivity Solutions(Applications)


1.Leaf-Spine Architecture
Low-loss parallel lane design builds reliable 500m inter-switch links for Arista leaf-spine fabric.
No extra CWDM filters reduce signal attenuation and stabilize VM & container east-west traffic.

HYTOPTODEVICE 100G PSM4 QSFP28 for arista leaf-spine architecture interconnection



2. 100G to 100G for Switch-Switch Interconnection
Use existing MPO OS2 ribbon fiber to set up standardized rack trunk lines.
No complicated wavelength planning speeds up data center capacity expansion.

HYTOPTODEVICE 100G PSM4 optic for switch-to-switch rack trunk links

3.100G to 100G for Switch-NIC Connection

Compact MPO APC connector tidies dense cabinet wiring for GPU and HPC server uplinks.
Reserve cabinet space for future 400G parallel optic infrastructure upgrades.

HYTOPTODEVICE 100G PSM4 uplink module for switch-to-server NIC connections

4.100G to 4x25G

Four independent optical lanes support MPO breakout cables, splitting one 100G QSFP28 port into four separate 25G SFP28 uplinks to boost port utilization.

HYTOPTODEVICE 100G PSM4 QSFP28 supporting 100G to 4x25G breakout transmission


The Core Feature 

1.Low Power and High-Density Realize 100G Connectivity for Data Center

Max power consumption limited to 3.5W, much lower than CWDM4 and LR4 QSFP28 modules.
Low thermal load prevents hotspots on fully populated high-density switch line cards.
Cut data center cooling energy cost and lower PUE value for long-term 24/7 operation.

HYTOPTODEVICE 100G QSFP28 PSM4 module with  low power & high-density design realizes stable 100G parallel connectivity for dense data center cabinets



2.
Verified Host Interoperability

Pre-programmed EEPROM matches official Arista QSFP-100G-PSM4 identification data.
Fully tested on new and legacy Arista EOS firmware without port lock issues.
No manual port policy adjustment needed after hot-swap installation.
Arista QSFP-100G-PSM4 compatible PSM4 QSFP28 fully validated on multi-generation Arista EOS switches

3.Comprehensive Factory Testing & Reliable Performance

Each optic undergoes precise optical calibration and alternating high-low temperature cycling.
72-hour full-rate traffic burn-in eliminates early failure risks before shipment.
Built DDM monitoring allows remote real-time fault check to reduce on-site maintenance.

Factory calibrated 100G PSM4 QSFP28 with 72-hour aging test for 24/7 data center production use



FAQ


Q1: Will this Arista compatible 100G PSM4 QSFP28 run without alarms on Cisco, Juniper and Dell enterprise switches?
A: Smooth cross-platform performance depends on vendor-specific EEPROM coding. We can pre-flash matched identity data for Arista, Cisco, Juniper or Dell hardware. After custom programming, this bulk 100G PSM4 transceiver passes switch authentication without unsupported transceiver warning logs.

Q2: Can I directly connect 100G PSM4 MPO optic to CWDM4 or LR4 duplex LC transceivers via fiber?
A: Direct optical communication is impossible. PSM4 transmits four parallel 1310 lanes over MPO ribbon fiber. CWDM4 and LR4 multiplex multiple wavelengths onto duplex LC cords. Their internal optical architecture and physical connectors are completely incompatible.

Q3: Can I insert this Arista 100G PSM4 module into older 40G QSFP+ switch ports?
A: Normal operation cannot be achieved despite identical plug shape. QSFP+ ports only support 40G signal hardware, lacking DSP chips required for 4×25G PSM4 parallel transmission.

Q4: Does this low power Arista 100G PSM4 QSFP28 support industry-standard RS-FEC error correction?
A: IEEE 802.3bj Clause 91 RS-FEC hardware decoding is fully integrated. You must enable FEC on corresponding Arista switch ports to hit the specified ultra-low BER (< 10⁻¹²).

Q5: Can I use blue UPC MPO patch cords on the APC green port of this PSM4 transceiver?
A: UPC cable usage is strictly prohibited. Flat UPC polish creates heavy light back reflection, distorting parallel signals and scratching the module’s internal laser receiver permanently.

Q6: Do I need optical attenuators for 1–5m short MPO fiber cables to prevent receiver overload damage?
A: Extra attenuator accessories are not required. Factory calibrated transmit power holds sufficient safety margin for short patch cord scenarios. Receivers will not hit saturation damage within 1–5m distance.

Q7: Can this Arista compatible PSM4 optic deliver stable links over fiber longer than 500m with premium low-loss OS2 ribbon?
A: Not recommended for production data center deployment. The 500m MSA standard covers the full designed optical power budget and lane skew tolerance. Extended fiber exceeds compensation limits and leads to fluctuating BER and intermittent port flapping.

Q8: Does this 4-lane parallel 100G PSM4 QSFP28 support 100G to four independent 25G SFP28 breakout links?
A: Full breakout function is supported. Four isolated optical lanes pair with MPO breakout cables. A single 100G QSFP28 port splits into four separate 25G server uplinks to maximize Arista switch port resource utilization.

Q9: Why data center operators choose HYTOPTODEVICE 100G PSM4 over 100G LR4 long-reach transceivers for under 500m links?
A: For intra-data center rack connections within 500 meters, PSM4 holds clear cost and power advantages. It removes expensive long-distance laser and dispersion parts, with ≤3.5W low power draw and lower bulk unit price than LR4 QSFP28.

Q10: In which network project scenarios will CWDM4 duplex LC modules be more cost-effective than mass MPO PSM4 deployment?
A: CWDM4 delivers lower total cost for cross-building long links or projects with small fiber counts. High-priced MPO ribbon cable offsets the cheaper PSM4 module cost if you do not need massive parallel lane expansion.

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

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  • HYTOPTODEVICE Arista QSFP-100G-PSM4 compatible 100G QSFP28 PSM4 parallel single-mode transceiver 1310nm 500m MPO OS2 SMF
  • HYTOPTODEVICE low power high density 100G PSM4 QSFP28 for high-capacity data center rack deployment
  • HYTOPTODEVICE plug-and-play Arista compatible 100G PSM4 QSFP28 zero authentication alerts

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