Customs duties are the responsibility of customers, but standard logistics support DDP to most countries, duty-free such as US, DE, UK, CA, FR, IT, PL, AT, JP…
40G QSFP+ SMF QSFP-40G-LR4 10KM 40GBASE-LR4
KRW ₩162,359.66
- 40GBASE-LR4 Compatible for Full brand equiment, QSFP-40G-LR4. 40G Ethernet, 4 CWDM lanes: 1270nm, 1290nm, 1310nnm, 1330nm. Duplex LC connector, support DDM, up to 10km.
- 40G QSFP+ Single-Mode Transceivers: Compliant to the IEEE 802.3ba standard, SFF 8436 and QSFP Multisource Agreement (MSA). Working temperature: 0℃ ~ +70℃, Tx Power(dBm): -7 ~ +2.3, Rx Sens.(dBm): < -13.7.
- Easy to use: Plug and play, hot-pluggable. DDM support: DDM allows you to monitor the critical information, to find out some potential problems. Widely used in fiber switches, routers, NIC, server or other fiber optic equipments with 40Gb QSFP+ ports.
Guaranteed Safe Checkout

Description
Features
- Widely used in 40G QSFP+ optical switches, fibre-optic network cards, servers, protective walls, routers, industrial controllers, FPGA development boards and other equipment
- 40GBASE-LR4,Plug and Play
- With DDM data diagnostics, low power consumption, to ensure signal stability, high-speed transmission
- Compatible brands: fully compatible
Specification
| Brand | LuLeey |
| Place of Origin | Mainland China |
| Model | QSFP-40G-SR4 |
| Speed | 40G |
| Port | Dual LC |
| Distance | 10km |
| Wavelength | 4 CWDM lanes: 1270nm, 1290nm, 1310nnm, 1330nm |
| Operating Temperature | -20~70°C |
| Operating Voltage | 3.3V |
| Mode | Single Mode |
| Support DDM | Yes |
| Hot-swappable | Yes |
| Compatible Brands | Fully compatible, such as HUAWEI/H3C/CISCO/RUIJIE/TP-LINK/D-LINK/HIKVISION/ZTE/JUNIPER/DELL/MIKROTIK/INTEL/MELANOX/IBM… |
Reviews (0)
You must be logged in to post a review.
Q & A
Q & A
Ask a question
40G QSFP+ SMF QSFP-40G-LR4 10KM 40GBASE-LR4
Your question
* Question is required
Name
* Name is required
Email
* Email is required
* Please tick the checkbox to proceed
There are no questions yet
Additional information
| Weight | 0.1 kg |
|---|---|
| Dimensions | 10 × 10 × 10 cm |
| Insert port | Duplex LC |
| Data rate of SFP Module | 40G |
| Maximum distance for SFP | 10km |
| Compatible brands | Alcatel-Lucent, Arista, Brocade, Cisco, Extreme, General, H3C, HPE-Aruba, Huawei, Intel, Juniper, Mellanox, Mikrotik, other(note brand when checkout), TPlink, Ubiquiti(UBNT), ZTE |
Products Shopping Services
You May Also like
-33%
Select options
This product has multiple variants. The options may be chosen on the product page
PON Power Meter Tester + Optical Power Meter +Visual Fault Locator
KRW ₩217,982.88 KRW ₩299,162.71Price range: KRW ₩217,982.88 through KRW ₩299,162.71Tags: Optical Power Meter, SC APC
Select options
This product has multiple variants. The options may be chosen on the product page
MPO/MTP to 12 x ST , OM4 MM
KRW ₩70,641.49 KRW ₩192,411.23Price range: KRW ₩70,641.49 through KRW ₩192,411.23Fiber Optic Fusion Splicer Heat Shrink Tubing, Double needle
KRW ₩14,882.97 KRW ₩70,656.52Price range: KRW ₩14,882.97 through KRW ₩70,656.52Tags: fusion splicer, Heat Shrink Tubing
Select options
This product has multiple variants. The options may be chosen on the product page
SC APC Flange Single Mode Single Core Metal Adapter 6pcs
KRW ₩36,064.89Tags: SC APC, SC APC Flange
-20% Hot
Select options
This product has multiple variants. The options may be chosen on the product page
LL-XP4GW3000D, 4GE XPON ONU, WIFI6 AX3000, Dual Band
Original price was: KRW ₩150,317.98.KRW ₩120,251.38Current price is: KRW ₩120,251.38.Tags: GPON ONU, LL-XP4GW3000D, WIFI6 AX3000, XPON
-21% Hot
Select options
This product has multiple variants. The options may be chosen on the product page
Flip-top Red Light Pen Visual Fault Locator
KRW ₩24,038.25 KRW ₩51,098.19Price range: KRW ₩24,038.25 through KRW ₩51,098.19Related Products
1.25G Gigabit SMF SFP Module, 1310nm/1550nm Single-Mode Fiber 20km, Cisco/Huawei/intel Compatible
KRW ₩21,031.59 KRW ₩51,098.19Price range: KRW ₩21,031.59 through KRW ₩51,098.19Tags: 1.25G, 20km, Optical Module, SC, sfp module, SM
2500M BASE-T 100m LL-25BT100
KRW ₩37,568.22Tags: 2500M BASE-T, Optical Module, sfp to rj45, SFP-2.5G-T
Hot
Select options
This product has multiple variants. The options may be chosen on the product page
1.25G Gigabit SMF SFP module ,LC 20km DDM 1 pair
KRW ₩21,031.59 KRW ₩25,541.58Price range: KRW ₩21,031.59 through KRW ₩25,541.58Tags: 1.25G, 20km, LC, Optical Module, sfp module, SM
Hot
Select options
This product has multiple variants. The options may be chosen on the product page
10km/40km/60km 10G SFP+ Transceiver Bidi SMF DDM 1pair,sfp module
KRW ₩73,482.78 KRW ₩90,184.78Price range: KRW ₩73,482.78 through KRW ₩90,184.78Tags: 10G, 40km, BIDI, LC, Optical Module, sfp module, SFP+
Select options
This product has multiple variants. The options may be chosen on the product page
QSA Adapter 100G QSFP28 to 25G SFP28 Converter Module
KRW ₩75,151.48
Select options
This product has multiple variants. The options may be chosen on the product page
2.5G SC SMF SFP Module BIDI
KRW ₩37,568.22 KRW ₩43,581.54Price range: KRW ₩37,568.22 through KRW ₩43,581.54Tags: 2.5G, BIDI, Optical Module, SC, SM
Select options
This product has multiple variants. The options may be chosen on the product page
QSA Adapter 40G QSFP+ to 10G SFP+ Converter Module
KRW ₩67,634.82
Select options
This product has multiple variants. The options may be chosen on the product page
40G QSFP+ MMF 850nm 150m QSFP-40G-SR4, MPO-12/UPC MMF Optical Transceiver Module
KRW ₩57,126.55Tags: 150m, 40G QSFP+, MM, MPO, Optical Module
Hot
Select options
This product has multiple variants. The options may be chosen on the product page
100G QSFP28 MMF MPO Module 100m QSFP28-100G-SR4
KRW ₩63,139.87
Select options
This product has multiple variants. The options may be chosen on the product page
1.25G SFP 1000Base-SX 850nm Multimode SFP Module 550-meter
KRW ₩15,018.27Tags: 1.25G, 550m, LC, MM, Optical Module, sfp module





















































SFP/SFP+ (1G/2.5G/5G/10G)
SFP-T (1G/2.5G/10G)
AOC Cable 10G/25G/40G/100G
DAC Cable 10G/25G/40G/100G
QSFP28 QSFP+ SFP28 100G/40G/25G
Copper to Fiber Media Converters
Fiber Media Converter PCBA Board
OEO Fiber Media Converters
Serial to Fiber Media Converters
Video to Fiber Media Converters
1000M GPON/EPON ONU
10G EPON ONU/XG-PON/XGS-PON
2.5G GPON/XPON STICK SFP ONU
POE GPON/EPON ONU
Wireless GPON/EPON ONT
EPON OLT
GPON OLT
SFP PON Module
Industrial Switches
Managed Switches
POE Switches
Unmanaged Switches
MTP/MPO Fiber Cables
Fiber Optic Cassettes
Fiber Optic Loopback
Optic Cables and Fiber Pigtails
Optical Splitters and Splitter Box
Fiber Flange Connectors
Optical Adapters
Optical Attenuator
Quick Connector and Connector Panel
CATV Amplifier
CATV Optical Receiver
Visual Fault Locator
OTDR
Optical Power Meter
Fiber Optic Identifier
Fiber Optic Cleaners
Fiber Cleavers & Fiber Strippers
Copper Tools
Reviews
There are no reviews yet