Arista 40G QSFP+ Transceiver in Bangladesh — High-Speed 40G Network Connectivity

An Arista 40G QSFP+ Transceiver is a high-performance optical module designed for 40 Gigabit Ethernet networking. It provides fast, stable, and low-latency connectivity for data centers, enterprise networks, and cloud infrastructure.

Arista QSFP+ modules use 4×10Gbps lanes to deliver 40Gbps throughput, making them ideal for high-bandwidth environments.

Buy Arista 40G QSFP+ Transceiver in Bangladesh

Datacom Technologies BD offers:

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

Why Choose Arista 40G QSFP+ Transceiver?

• ✔ 40Gbps high-speed data transmission
• ✔ Low latency and energy-efficient design
• ✔ Digital Optical Monitoring (DOM/DDM)
• ✔ Hot-swappable and plug-and-play
• ✔ High-density connectivity for data centers
• ✔ Reliable performance with Arista networking devices

Types of Arista 40G QSFP+ Transceivers

• 40GBASE-SR4 — Short range (MMF, up to 100–150m)
• 40GBASE-XSR4 — Extended short range (up to 300–400m)
• 40GBASE-LR4 — Long range (SMF, up to 10km)
• 40GBASE-ER4 — Extended range (up to 40km)
• BiDi / UNIV — Duplex fiber solutions for flexible deployment
• DAC / AOC — Short-distance direct connectivity

Technical Overview

Popular Arista 40G QSFP+ Transceiver Models, Part Numbers & Server Compatibility at Datacom

Arista 40G QSFP+ Transceivers (Popular Models)

QSFP-40G-SR4

• Type: Multimode (MMF)
• Connector: MPO/MTP (12 fiber)
• Reach: 100m (OM3) / 150m (OM4)
• Compatibility:
  • Supported on most Arista QSFP+ ports (7050, 7060, 7280, etc.)
  • IEEE 40GBASE-SR4 compliant

 QSFP-40G-XSR4

• Type: Multimode (MMF)
• Connector: MPO
• Reach: 300m (OM3) / 400m (OM4)
• Compatibility:
  • Works on standard Arista QSFP+ ports
  • Supports 4×10G breakout

 QSFP-40G-SRBD (BiDi)

• Type: Multimode (BiDi)
• Connector: Duplex LC
• Reach: 100m (OM3) / 150m (OM4)
• Compatibility:
  • Interoperable with BiDi optics
  • Works on standard QSFP+ ports

 QSFP-40G-UNIV

• Type: MMF + SMF
• Connector: Duplex LC
• Reach:
  • 150m (MMF)
  • up to 500m (SMF)
• Compatibility:
  • Supported on all Arista QSFP+ platforms
  • Interoperable with LR4/LRL4

QSFP-40G-LR4

• Type: Single-mode (SMF)
• Connector: Duplex LC
• Reach: up to 10 km
• Compatibility:
  • IEEE 40GBASE-LR4 standard
  • Works across most Arista switches

 QSFP-40G-LRL4

• Type: Single-mode (SMF)
• Connector: LC
• Reach: up to 1 km
• Compatibility:
  • Interoperable with LR4 (short distance)

Price in Bangladesh (2025 / 2026)

•  Contact Datacom for latest price & availability.

Best Use Cases

• Data center networking
• Enterprise backbone connectivity
• Cloud infrastructure
• High-performance computing (HPC)
• 40G aggregation networks

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