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DELL QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ LR4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module (Industrial)
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DELL QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ LR4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module (Industrial)

# 219551

Product summary

Product
DELL QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ LR4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module (Industrial)
SKU
219551
P/N
LQ-CW40-LR4I
Price
$ 152
Stock
1155 in Stock
Sold
759
Product URL
https://www.l-p.com/products/494670.htm
For Order Over $1000 Get $15.00 Off , Code: Linkpp15
For Order Over $3000 Get $50.00 Off , Code: Linkpp50
For Order Over $5000 Get $100.00 Off , Code: Linkpp100
New Users: $10 Coupon for Orders , Code: linkpp2610
36 Reviews
5 Questions
Request Stock
759 Sold
$ 152 ( 0% OFF )
Free shipping over $600, If you need a more favorable price, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 152
100
$ 144.4
1000
$ 139.84
3000
$ 135.28
6000
$ 130.72
Manufacture: LINK-PP
P/N: LQ-CW40-LR4I
Compatible:
Cisco
LINK-PP
Arista
Brocade
DELL
Extreme
FS
Generic
H3C
Juniper
Compatible P/N:
430-4917 | 10km
GP-QSFP-40GE-1LR | 10km
QSFP-40G-LR4 | 10km
QSFP-LR4-40G-I | 10km
QSFP-ELR4-40G | 20km
430-4917-40 | 40km
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5-Year Warranty 30-Day Returns 30-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
Stock:
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DELL QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ Specifications

The DELL QSFP-LR4-40G-I Compatible LINK-PP industrial transceiver delivers outstanding 40GBASE-LR4 Ethernet connectivity. Engineered specifically for harsh environments, this robust 40G QSFP+ optical module operates flawlessly between extreme temperatures of minus forty and eighty-five degrees Celsius. With advanced DFB lasers, it enables reliable single-mode fiber networking up to 10km, meeting demanding enterprise communication requirements.

DELL Part NumberQSFP-LR4-40G-IVendor NameLINK-PP
Form Factor QSFP+ Max Data Rate 40Gbps
Wavelength 1271nm, 1291nm, 1311nm, 1331nm Max Cable Distance 10km
Connector Duplex LC Media SMF
Transmitter Type DFB Receiver Type

PIN
Power Consumption ≤3.3W Protocols OTN OTU3, 40G Ethernet, Fiber Channel, SATA/SAS3, MSA Compliant
Host FEC Supported Operating Temperature Range

-40°C to +85°C

Videos

LINK-PP

  1. DELL QSFP-LR4-40G-I
  2. QSFP-LR4-40G-I
  3. DELL compatible
  4. DELL transceiver
  5. compatible transceiver
  6. LINK-PP compatible
  7. 40G QSFP+
  8. 40G QSFP+ transceiver
  9. Duplex LC transceiver
  10. QSFP-LR4-40G-I compatible

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S***s
Viet Nam
Verified Purchase
4 .0
2026-05-01
The 40G QSFP+ LR4 works perfectly, but the outer box was slightly crushed upon arrival.
108 Helpful vote Comments
J***e
Panama
Verified Purchase
5 .0
2026-04-13
Fast shipping and the 40G optical module performs exactly as the datasheet promised! (ﾉ◕ヮ◕)ﾉ
45 Helpful vote Comments
C***n
Viet Nam
Verified Purchase
5 .0
2026-03-03
Perfect for harsh environments. This industrial transceiver handles extreme heat without dropping links.
36 Helpful vote Comments
S***n
Finland
Verified Purchase
5 .0
2026-01-05
Works flawlessly with my Cisco gear.
42 Helpful vote Comments
R***z
Mexico
Verified Purchase
5 .0
2025-10-01
Batch deployed these industrial 40G QSFP+ LR4 transceivers for our base station backhaul. Flawless 10km SMF links. The DDM output is highly accurate across extreme outdoor cabinet temps (-40°C). Highly recommended for telecom!
134 Helpful vote Comments
J***n
United Kingdom
Verified Purchase
5 .0
2025-09-19
Real 10km distance on OS2 fiber.
116 Helpful vote Comments
L***n
Canada
Verified Purchase
5 .0
2025-09-11
Rock solid industrial transceiver for outdoor cabinets.
61 Helpful vote Comments
M***e
Brazil
Verified Purchase
5 .0
2025-08-14
Fully compliant MSA 40G optical module.
204 Helpful vote Comments
M***z
Portugal
Verified Purchase
5 .0
2025-06-18
Awesome 40G QSFP+ LR4 module for our campus fiber network. Duplex LC is convenient!
105 Helpful vote Comments
E***s
Spain
Verified Purchase
5 .0
2025-05-28
Solid 40GBASE-LR4 performance for our 10km base station backhaul. Will buy more soon.
163 Helpful vote Comments
S***l
Indonesia
Verified Purchase
5 .0
2025-04-25
Installed in a Dell switch for our NAS array. Superb 10km single-mode fiber link.
193 Helpful vote Comments
P***e
Viet Nam
Verified Purchase
5 .0
2025-04-17
DDM monitoring is accurate and super helpful.
20 Helpful vote Comments
M***l
Austria
Verified Purchase
5 .0
2025-04-05
Great value for 40Gbps single-mode networking!
115 Helpful vote Comments
R***n
France
Verified Purchase
5 .0
2025-01-29
Link-pp is very professional and strive to meet my needs at any time!
47 Helpful vote Comments
D***n
Dominican Republic
Verified Purchase
5 .0
2024-12-29
We did a multi-switch compatibility test across Cisco and Arista core routers. This 40Gbps CWDM4 module synced instantly. The Duplex LC interface makes patching easy. Excellent total cost of ownership for campus fiber.
45 Helpful vote Comments
S***i
Nepal
Verified Purchase
5 .0
2024-10-08
Placed the order easily, very quick shipping. What's more, the price is much lower than the original, and the products are of the same or better quality. I'm a repeat buyer.
59 Helpful vote Comments
V***d
Italy
Verified Purchase
5 .0
2024-05-14
Track is tracked. Excellent Optical Transceiver Modules for such a price, cope with their task
49 Helpful vote Comments
A***h
Sweden
Verified Purchase
5 .0
2024-04-23
This product is very good
56 Helpful vote Comments
A***u
Malaysia
Verified Purchase
5 .0
2024-03-16
I finally decide to give LINK-PP Ethernet port a try, since they are not as expensive as an original module. The result makes me very satisfied. They work well with very low insertion loss on our equipment, and the connection is also very firm.
48 Helpful vote Comments
M***i
Morocco
Verified Purchase
5 .0
2024-03-04
Link-PP always has excellent prices. I've never had to deal with their service center because I haven't needed to.
16 Helpful vote Comments
W***s
United States
Verified Purchase
5 .0
2024-01-17
Great price, great product. I will be back! Thanks!
45 Helpful vote Comments
Q***e
United Arab Emirates
Verified Purchase
5 .0
2023-12-23
Product was delivered as promised and the product was just what I expected. Great experience. I will order from them again.
88 Helpful vote Comments
S***h
United States
Verified Purchase
5 .0
2023-12-10
Unbeatable price. On time delivery. Well done!
46 Helpful vote Comments
M***i
United States
Verified Purchase
5 .0
2023-12-09
Very happy with the speed of delivery, unlike others, and accuracy of order. Will buy from them again.
21 Helpful vote Comments
I***i
United States
Verified Purchase
5 .0
2023-11-27
The 10/25/40G Transceiver Modules is really what I needed.Will come back to buy more.
47 Helpful vote Comments
G***e
Mexico
Verified Purchase
5 .0
2023-11-25
The order arrived within estimated time
53 Helpful vote Comments
t***m
Malaysia
Verified Purchase
5 .0
2023-10-13
Nothing to complain, except the slow delivery. Hope it would be Faster the next time.
43 Helpful vote Comments
S***r
Philippines
Verified Purchase
5 .0
2023-08-29
It just works as expected. At a good price.
42 Helpful vote Comments
S***y
Japan
Verified Purchase
5 .0
2023-08-27
The price is reasonable. I always save money when I shop with l-p.com.
46 Helpful vote Comments
S***z
Japan
Verified Purchase
5 .0
2023-06-08
so easy to filter and make a decision
32 Helpful vote Comments
B***v
Ireland
Verified Purchase
5 .0
2023-05-31
Great price, easy checkout
45 Helpful vote Comments
L***a
Iran, Islamic Republic of
Verified Purchase
5 .0
2023-05-28
Good products and prices. Poor communication. Email status is slow/delayed.
45 Helpful vote Comments
I***u
Turkey
Verified Purchase
4 .0
2023-05-06
Excellent product selection, price, and expedited shipping. Meanwhile, the price is also very reasonable and affordable.
43 Helpful vote Comments
K***i
Japan
Verified Purchase
5 .0
2023-03-23
Very surprised with the Fast shipping. Great shopping experience with LINK-PP!
94 Helpful vote Comments
P***i
South Africa
Verified Purchase
5 .0
2023-03-07
The 10/25/40G Transceiver Modules and service has been great, we have enjoyed good performance. Response at times is a little slow.
44 Helpful vote Comments
Y***p
France
Verified Purchase
5 .0
2023-03-06
Very good for the price and durable enough for home use.
41 Helpful vote Comments
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DELL QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ LR4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module (Industrial)

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