Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.
x
Sorry, Something went wrong!
10Gtek 40GBASE-CSR4 QSFP+ MPO Multi-Mode Transceiver, 40 Gigabit MMF Optical Module for Cisco QSFP-40G-CSR4, 850nm, DDM, 300m
✅ In stock
⭐ Lowest price we've tracked
📉 Price recently dropped
A
Grade
Analysis Confidence
55%
Price verified Sep 5, 2026 12:16 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🔥 Great Deal- 🔥Verdict: Great Deal. Strong buy. Price is significantly below its historical average.
- 💰At 17% off its standard going rate, this offer delivers clear value for the money.
- 🏷️A 20% cut from the official retail price adds further appeal.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
18.67/28
Recent Value
16.93/22
Market Standing
14.55/20
Deal Strength
20/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
10Gtek
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓40GBASE- ESR4 QSFP+ to MPO Optical 40G Ethernet transceiver module, Multimode, 4-lanes, 850-nm wavelength, 12-fiber MPO/MTP connector, 300-meter reach with OM3 fiber, 400-meter reach with OM4 fiber
✓Wide Compatibility - Cisco QSFP-40G-CSR4 and other Open Switches. Compliant to the IEEE 802.3ba standard, SFF 8436 and QSFP Multisource Agreement
✓Easy to Use - Easy installation, plug and play, fully hot-pluggable. Widely used in fiber switches, routers, NIC, server or other fiber optic equipments with 40Gb QSFP+ ports
✓Superior DDM Function - DDM allows you to monitor the critical information concerning the status of the transmitted and received signals of the transceivers in real-time to find out some potential problems
✓10Gtek is a manufacturer of transceiver, customized service is available
⚙️ Specifications
logShoppableMetrics("module-5", false)
.aplus-v2 .aplus-review-right-padding {
padding-right: 0.1rem;
}
.aplus-v2 .aplus-review-right-padding {
padding-right: 0.1rem;
}
$33.99
$31.99
no data
$75.99
$79.99
40 Gb/s
40 Gb/s
40 Gb/s
100m @ OM3 MMF, 150m @ OM4 MMF
1.4-2 km
10 km
850 nm
850 nm
850 nm
CWDM, 1271~1331 nm
CWDM, 1271~1331 nm
MTP/MPO
MTP/MPO
