Alternative to QSFP-100G-DR-S: Better-Value Equivalents in Stock
Comparing the QSFP-100G-DR-S (QSFP-100G-DR-S - Cisco 500m 1310nm 100GBase-DR Duplex LC Single-mode QSFP28 Transceiver) against alternatives? Pro Disk Network stocks 12 similar Cisco parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the QSFP-100G-DR-S
| SKU | QSFP-100G-DR-S |
|---|---|
| Product | QSFP-100G-DR-S - Cisco 500m 1310nm 100GBase-DR Duplex LC Single-mode QSFP28 Transceiver |
| Stock status | In Stock |
| Detail page | View QSFP-100G-DR-S › |
Alternatives to QSFP-100G-DR-S
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
QSFP-100G-PSM4-S - Cisco Single-Mode 100Gbps 100GBase-PSM4 Fiber 500m 1310nm MPO-12 Connector QSFP Transceiver Module
SKU: QSFP-100G-PSM4-S
Price: $1,645.93
QSFP-100G-LR4-S - Cisco 100Gb/s 100GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP Transceiver Module
SKU: QSFP-100G-LR4-S
Price: $1,789.47
QSFP-100G-SM-SR - Cisco Single-Mode 100Gbps 100GBase-CWDM4 Fiber 2km 1310nm LC Connector QSFP Transceiver Module
SKU: QSFP-100G-SM-SR
Price: $6,843.83
QSFP-100G-CWDM4-S - Cisco 100Gb/s 100GBase-CWDM4 Single-Mode Fiber 2km 1330nm Duplex LC Connector QSFP Transceiver Module
SKU: QSFP-100G-CWDM4-S
Price: $1,079.46
Cisco QSFP-40G-ER4 Single-mode 40Gbps 40GBase-ER4 Fiber 40km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QSFP-40G-ER4
Price: $309.89
QSFP-40G-LR4-S - Cisco 40Gb/s 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QSFP-40G-LR4-S
Price: $839.17
QSFP-40GE-LR4 - Cisco 40Gb/s 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QSFP-40GE-LR4
Price: $1,071.76
QSFP-40GE-LR4-RF - Cisco 40Gb/s 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QSFP-40GE-LR4-RF
Price: $1,071.76
QSFP-40G-LR4-RF - Cisco Single-mode 40Gbps 40GBase-LR4 Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QSFP-40G-LR4-RF
Price: $1,071.76
QSFP-40GE-LR4-S - Cisco 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QSFP-40GE-LR4-S
Price: $1,418.79
QSFP-40G-LR4-S-RF - Cisco 40Gbps 40GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QSFP-40G-LR4-S-RF
Price: $1,785.45
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.