Cisco QSFP 100G Module in Bangladesh — High-Speed 100G Optical Connectivity

A Cisco QSFP 100G Module (QSFP28) is a high-performance optical transceiver designed to deliver 100Gbps ultra-fast data transmission for data centers, enterprise networks, and telecom infrastructure. It provides reliable, high-density connectivity for modern high-bandwidth applications.

Cisco QSFP 100G modules are widely used for Ethernet switching, cloud networking, and data center interconnect, offering scalable and efficient performance.

Buy Cisco QSFP 100G Module in Bangladesh at Best Price

Datacom Technologies BD supplies genuine Cisco QSFP28 100G optical modules with full compatibility for Cisco switches and routers, along with expert support and nationwide delivery.

Key Features

• High-speed 100Gbps Ethernet connectivity
• QSFP28 form factor for high port density
• Hot-swappable for easy installation
• Supports breakout (4×25G) configurations
• Compatible with multimode and single-mode fiber
• Low power consumption and high efficiency
• Digital diagnostics monitoring (DDM/DOM) support

Types of Cisco QSFP 100G Modules

• SR4 (Short Range) — Up to 70–100m over multimode fiber
• PSM4 / DR (Medium Range) — Up to 500m over single-mode fiber
• FR / CWDM4 — Up to 2km over SMF
• LR4 (Long Range) — Up to 10km over SMF
• ER4 / ZR4 — Up to 25km–80km+ long-distance transmission
• DAC / AOC Cables — Short-distance rack connectivity

Popular Cisco QSFP 100G Module Models, Part Numbers & Server Compatibility at Datacom

QSFP-100G-SR4-S

Type: 100GBASE-SR4 (MMF, short reach)
Reach: up to 100 m (OM4)
Connector: MPO

Compatibility:

• Works with 100G QSFP28 ports on Cisco switches/routers
• Can break out to 4×25G (SFP-25G) using breakout cables
• Interoperates with standard IEEE 100GBASE-SR4 optics

 QSFP-100G-LR4-S / LR4-I

Type: 100GBASE-LR4 (SMF, long reach)
Reach: up to 10 km
Connector: LC duplex

Compatibility:

• Fully compliant with IEEE 100GBASE-LR4
• Works across Cisco platforms (Nexus, Catalyst, ASR, etc.)
• Interoperable with other LR4 optics (Cisco / third-party IEEE compliant)

 QSFP-100G-ER4L-S (ER4 Lite)

Type: Extended reach SMF
Reach: ~30 km (40 km with FEC)

Compatibility:

• Interoperates with:
  • Cisco LR4 modules (10 km)
  • Cisco CPAK ER4-Lite / CFP ER4 optics
• Requires FEC on host for full reach

 QSFP-100G-ZR4-S

Type: Ultra-long reach SMF
Reach: up to 80 km

Compatibility:

• Requires FEC support on switch/router
• Interoperates with:
  • ER4 / ER4L optics (with constraints)
• Used for metro/DCI links

 QSFP-100G-CWDM4-S

Type: CWDM4 (coarse wavelength multiplexing)
Reach: up to 2 km
Connector: LC duplex

Compatibility:

• IEEE CWDM4 standard
• Works with single-mode fiber (SMF)
• Common for data center interconnect (DCI)
• Interoperable with other CWDM4 vendors

 QSFP-100G-PSM4-S

Type: Parallel SMF (PSM4)
Reach: up to 500 m
Connector: MPO

Compatibility:

• Uses 8-fiber parallel SMF
• Interoperates with other PSM4 modules
• Popular in large data centers

 QSFP-100G-DR-S

Type: 100GBASE-DR (single lambda PAM4)
Reach: up to 500 m
Connector: LC duplex

Compatibility:

• Works with PAM4-based optics (100G/400G interop)
• Supports modern data center architectures
• IEEE 802.3cu compliant

 QSFP-100G-FR-S

Type: 100GBASE-FR (single lambda)
Reach: up to 2 km

Compatibility:

• Uses PAM4 signaling
• Interoperates with DR/FR/LR single-lambda ecosystem
• Common in newer cloud deployments

 QSFP-100G-SR1.2 BiDi

Type: BiDi (2-fiber multimode)
Reach: short-range MMF

Compatibility:

• Works over duplex LC MMF (reuses 10G/40G fiber)
• Can interoperate with:
  • Cisco 400G SR4.2 (breakout mode)
• NOT compatible with older SRBD modules

 QSFP-100G-B20U4-I / B20D4-I (BiDi SMF pair)

Type: Bidirectional SMF
Reach: up to 20 km

Compatibility:

• Must be used in paired modules (U4 + D4)
• Requires RS-FEC on host
• Operates over single fiber

Cisco QSFP 100G Module Price in Bangladesh

•  Contact Datacom Technologies BD for latest pricing and project-based quotations.

Common Use Cases

• Data center networking
• Cloud and hyperscale infrastructure
• Enterprise core and aggregation networks
• ISP and telecom backbone
• High-performance computing (HPC)

Why Choose Cisco QSFP 100G Module?

• Industry-standard 100G optical technology
• High reliability and Cisco-certified performance
• Scalable for growing network demands
• Flexible deployment with multiple distance options
• Ideal for mission-critical networking environments

Order Cisco QSFP 100G Module in Bangladesh

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