Arista 100G QSFP28 Transceiver in Bangladesh — High-Speed 100G Network Connectivity

An Arista 100G QSFP28 Transceiver is a high-performance optical module designed for 100 Gigabit Ethernet networking. It delivers ultra-fast, low-latency connectivity for data centers, cloud infrastructure, and enterprise networks.

Arista QSFP28 modules use 4×25Gbps lanes (NRZ modulation) to achieve 100Gbps throughput, ensuring efficient and scalable networking.

Buy Arista 100G QSFP28 Transceiver in Bangladesh

Datacom Technologies BD offers:

• 100% genuine Arista-compatible QSFP28 modules
• Support for SR4, LR4, ER4, ZR, CWDM4 variants
• Competitive pricing in Bangladesh
• Compatibility support for Arista switches (7050X, 7060X, 7280R series)
• Technical consultation & deployment support

Why Choose Arista 100G QSFP28 Transceiver?

• ✔ 100Gbps high-speed data transmission
• ✔ Low latency and energy-efficient design
• ✔ Digital Optical Monitoring (DOM/DDM) support
• ✔ Hot-swappable and plug-and-play
• ✔ Supports breakout (4×25G connections)
• ✔ Reliable performance for hyperscale networks

Types of Arista 100G QSFP28 Transceivers

• 100GBASE-SR4 — Short range (MMF, up to 70–100m)
• 100GBASE-DR — Medium range (SMF, up to 500m)
• 100GBASE-LR4 — Long range (SMF, up to 10km)
• 100GBASE-ER4 / ZR4 — Extended range (up to 40km–80km)
• CWDM4 / BiDi — Efficient data center interconnect solutions

Technical Overview

Popular Arista 100G QSFP28 Transceiver Models, Part Numbers & Server Compatibility at Datacom

Arista 100G QSFP28 Transceivers (Popular Models)

 QSFP-100G-SR4

• Type: Multimode (MMF)
• Connector: MPO/MTP (12 fiber)
• Reach: up to 70–100m (OM3/OM4)
• Use case: Data center short-reach
• Compatibility:
  • Works on most Arista 100G switches (7050X3, 7060X, 7280R, etc.)
  • Interoperable with standard 100GBASE-SR4 (IEEE 802.3bm)
• Notes: Very common and cost-effective for short links

 QSFP-100G-LR4

• Type: Single-mode (SMF)
• Connector: Duplex LC
• Reach: up to 10 km
• Use case: Campus / DC interconnect
• Compatibility:
  • Fully supported across most Arista platforms
  • Standard IEEE 100GBASE-LR4
• Notes: Can exceed 10 km with FEC enabled (platform dependent)

 QSFP-100G-ER4 / ERL4

• Type: Single-mode (SMF)
• Connector: LC
• Reach:
  • ER4: up to 40 km
  • ERL4: 30 km (no FEC) / 40 km (with FEC)
• Use case: Metro / long-distance links
• Compatibility:
  • Supported on many Arista high-end switches
  • Requires proper optical attenuation
• Notes: ERL4 is a lower-power variant

 QSFP-100G-ZR4

• Type: Single-mode (SMF)
• Connector: LC
• Reach: up to 80 km
• Use case: DCI (Data Center Interconnect)
• Compatibility:
  • Limited platform support (must check Arista compatibility guide)
• Notes: Requires attenuation (~12 dB)

 QSFP-100G-CWDM4

• Type: Single-mode (SMF)
• Connector: Duplex LC
• Reach: up to 2 km
• Use case: Data center interconnect (short SMF)
• Compatibility:
  • Supported on most QSFP28 ports
  • Industry-standard CWDM4 MSA

 QSFP-100G-PSM4

• Type: Single-mode (parallel SMF)
• Connector: MPO/MTP (12 fiber)
• Reach: up to 500 m
• Use case: Parallel fiber deployments
• Compatibility:
  • Works on Arista switches with MPO support
• Notes: No wavelength multiplexing → cheaper optics, more fiber

QSFP-100G-FR (Single Lambda)

• Type: Single-mode (SMF)
• Connector: LC
• Reach: up to 2 km
• Use case: Modern DC leaf-spine
• Compatibility:
  • Based on 100G Lambda MSA
  • Supported on newer Arista platforms
• Notes: Lower power, simpler fiber than CWDM4

Price in Bangladesh (2025 / 2026)

•  Contact Datacom for latest price & availability.

Best Use Cases

• Data center spine-leaf architecture
• Cloud infrastructure networking
• Enterprise backbone connectivity
• High-performance computing (HPC)
• 100G aggregation links

Why Buy from Datacom Technologies BD?

• Genuine Arista-compatible products
• Expert configuration support
• Competitive BD pricing
• Local warranty service
• Fast nationwide delivery

 Get in Touch with Datacom Technologies BD

• Call / WhatsApp: 01748-173213 | 01313-886347
• Email: sales@datacom.com.bd | datacomtechnologiesbd@gmail.com