🚀 Next-Gen 100G Connectivity for Modern Data Centers | Cisco QSFP-100G-DR-S=

Single-Lambda 100G Transmission Over Single-Mode Fiber (Up to 500m)

The Cisco QSFP-100G-DR-S= is a high-performance 100GBASE-DR QSFP28 optical transceiver designed for short-reach single-mode fiber (SMF) connectivity in modern data center environments.

Using PAM4 modulation technology, it delivers 100Gbps over a single wavelength (1310nm), supporting distances up to 500 meters, making it ideal for leaf-spine architectures, high-density deployments, and next-generation cloud infrastructure.

Engineered by Cisco Systems, this module aligns with the evolution toward 400G DR4 ecosystems.

🔥 Why This Module Is a “High-End Buyer Magnet”

✔ Building modern leaf-spine data center architecture? ✔ Preparing for 400G migration? ✔ Need efficient single-mode short-reach solution?

👉 100G DR = the new standard for scalable data centers

⚡ SR4 vs LR4 vs DR

Type	Distance	Fiber	Technology	Use Case
SR4	≤100m	MMF	Parallel (MPO)	Legacy DC
LR4	10km	SMF	CWDM	DCI
DR	500m	SMF	PAM4 (Single Lambda)	Modern DC

👉 DR is the bridge between SR and LR — optimized for new architectures

🧠 Key Features of Cisco QSFP-100G-DR-S=

Data Rate: 100 Gbps

Technology: PAM4 modulation

Wavelength: 1310 nm (single lambda)

Distance: Up to 500 m

Connector: LC Duplex

Fiber Type: Single-mode fiber (SMF)

Form Factor: QSFP28

Digital Optical Monitoring (DOM): Supported

Hot-swappable

Optimized for next-gen data center fabrics

🏗️ High-Value Application Scenarios

1. Leaf-Spine Data Center Architecture

High-speed east-west traffic

Scalable fabric design

2. Cloud & Hyperscale Data Centers

High-density server interconnects

Efficient fiber usage

3. 400G Migration Preparation

DR → DR4 evolution path

Future-proof infrastructure

4. Enterprise Data Centers

Modern backbone deployment

SMF standardization

💡 Why DR is the Future

👉 Traditional solutions:

SR = limited distance

LR = overkill & expensive

👉 DR solution:

Uses SMF (future-proof)

Medium distance (500m sweet spot)

Lower power & cost vs LR

✅ Best balance of cost, performance, and scalability

🧩 Complete 100G DR Solution

✅ Optical Modules

Cisco QSFP-100G-DR-S=

Cisco QSFP-400G-DR4 (future upgrade)

✅ Cabling

LC-LC single-mode fiber (OS2)

✅ Equipment

100G switches

Spine/leaf architecture

📊 Technical Specifications

Parameter	Specification
Form Factor	QSFP28
Data Rate	100 Gbps
Standard	100GBASE-DR
Wavelength	1310 nm
Max Distance	500 m
Connector	LC Duplex
Fiber Type	Single-mode
Modulation	PAM4
Tx Power	-2.9 ~ 4 dBm
Rx Sensitivity	≤ -6.2 dBm
Power Supply	3.3V
Operating Temp	0°C to +70°C
DOM Support	Yes
Compliance	IEEE 802.3cd, QSFP28 MSA, RoHS

❓ FAQ

Q1: What is the advantage of 100G DR?

It offers single-wavelength transmission over SMF with optimal cost and scalability.

Q2: How far can it transmit?

Up to 500 meters over single-mode fiber.

Q3: Is it suitable for future upgrades?

Yes, it aligns with 400G DR4 architecture.

Q4: What fiber is required?

Standard OS2 single-mode fiber with LC connectors.

Cisco QSFP-100G-DR-S, QSFP-100G-DR-S=, Cisco 100G DR module, 100GBASE-DR transceiver, QSFP28 DR optics, PAM4 optical module, 100G single lambda transceiver, data center DR solution

🚀 Get a Quote for Your 100G DR Deployment

👉 Building next-gen data center infrastructure?

✔ Future-ready architecture

✔ Efficient SMF deployment

✔ High-performance connectivity

Contact us now for pricing and availability.

Cisco QSFP-100G-DR-S= 100GBASE-DR QSFP28 optical transceiver