50-Gigabit (50G) Ethernet • 100-Gigabit (100G) Ethernet Network Cables & Modules

QSFP+/QSFP28 Loopback Modules

Color

Length

Availability

100G QSFP Loopbacks (QSFP28)

Check out our NEW exclusive 100G QSFP (QSFP28) Loopback Adapter Modules from Amphenol High Speed Interconnects -- by Amphenol for a Limited Time Only! The new 28.0 Gbps QSFP+ standard, popularly known as QSFP28, supports 4 x 28G channels for 100-Gigabit Ethernet applications in the same low-profile QSFP+ package you're familiar with! Our QSFP28 100G Loopbacks are offered in a variety of power and signal attenuation options to duplicate the operational characteristics of typical QSFP28 cable assemblies and optical modules -- perfect for testing QSFP28 compatible ports on the newest 100-Gigabit Ethernet and EDR InfiniBand switches, servers and host bus adapters.

Amphenol SF-100GLB0W00-0DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 0dB Attenuation & 0W Power Consumption [100-Gigabit Ethernet Ready]
(Based on 2 vote(s))
Code: SF-100GLB0W00-0DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of a mere 0dB; consuming no more than 0.0 Watts …
Qty avail.: 6
Availability: In stock

1-50	$44.91
51+	$42.66

Qty:
EA

Amphenol SF-100GLB0W00-3DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 3dB Attenuation & 0W Power Consumption [100-Gigabit Ethernet Ready]
(Based on 2 vote(s))
Code: SF-100GLB0W00-3DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of a mere 3dB; consuming no more than 0.0 Watts …
Qty avail.: 0
Availability: Out of stock

1-50	$46.80
51+	$44.46

Qty:
EA

Amphenol SF-100GLB0W00-5DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 5dB Attenuation & 0W Power Consumption [100-Gigabit Ethernet Ready]
(Based on 1 vote(s))
Code: SF-100GLB0W00-5DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 5dB; consuming no more than 0.0 Watts of …
Qty avail.: 9
Availability: In stock

1-50	$46.80
51+	$44.46

Qty:
EA

Amphenol SF-100GLB0W00-6DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 6dB Attenuation & 0W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB0W00-6DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 6dB; consuming no more than 0.0 Watts of …
Qty avail.: 38
Availability: In stock

1-50	$44.91
51+	$42.66

Qty:
EA

Amphenol SF-100GLB1.5W-0DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 0dB Attenuation & 1.5W Power Consumption [100-Gigabit Ethernet Ready]
(Based on 1 vote(s))
Code: SF-100GLB1.5W-0DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of a mere 0dB; consuming no more than 1.5 Watts …
Qty avail.: 2
Availability: In stock

1-50	$44.91
51+	$42.66

Qty:
EA

Amphenol SF-100GLB1.5W-3DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 3dB Attenuation & 1.5W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB1.5W-3DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 3dB; consuming no more than 1.5 Watts of …
Qty avail.: 9
Availability: In stock

1-50	$46.80
51+	$44.46

Qty:
EA

Amphenol SF-100GLB1.5W-5DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 5dB Attenuation & 1.5W Power Consumption [100-Gigabit Ethernet Ready]
(Based on 1 vote(s))
Code: SF-100GLB1.5W-5DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 5dB; consuming no more than 1.5 Watts of …
Qty avail.: 8
Availability: In stock

1-50	$46.80
51+	$44.46

Qty:
EA

Amphenol SF-100GLB1.5W-6DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 6dB Attenuation & 1.5W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB1.5W-6DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 6dB; consuming no more than 1.5 Watts of …
Qty avail.: 42
Availability: In stock

1-50	$44.58
51+	$42.35

Qty:
EA

Amphenol SF-100GLB2.5W-0DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 0dB Attenuation & 2.5W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB2.5W-0DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 0dB; consuming no more than 2.5 Watts of …
Qty avail.: 0
Availability: Out of stock

1-50	$46.80
51+	$44.46

Qty:
EA

Amphenol SF-100GLB2.5W-3DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 3dB Attenuation & 2.5W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB2.5W-3DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 3dB; consuming no more than 2.5 Watts of …
Qty avail.: 48
Availability: In stock

1-50	$44.58
51+	$42.35

Qty:
EA

Amphenol SF-100GLB2.5W-5DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 5dB Attenuation & 2.5W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB2.5W-5DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 5dB; consuming no more than 2.5 Watts of …
Qty avail.: 97
Availability: In stock

1-50	$44.58
51+	$42.35

Qty:
EA

Amphenol SF-100GLB2.5W-6DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 6dB Attenuation & 2.5W Power Consumption [100-Gigabit Ethernet Ready]
(Based on 1 vote(s))
Code: SF-100GLB2.5W-6DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 6dB; consuming no more than 2.5 Watts of …
Qty avail.: 0
Availability: Out of stock

1-50	$44.58
51+	$42.35

Qty:
EA

Amphenol SF-100GLB3.5W-0DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 0dB Attenuation & 3.5W Power Consumption [100-Gigabit Ethernet Ready]
(Based on 2 vote(s))
Code: SF-100GLB3.5W-0DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 0dB; consuming no more than 3.5 Watts of …
Qty avail.: 35
Availability: In stock

1-50	$46.80
51+	$44.46

Qty:
EA

Amphenol SF-100GLB3.5W-3DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 3dB Attenuation & 3.5W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB3.5W-3DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 3dB; consuming no more than 3.5 Watts of …
Qty avail.: 323
Availability: In stock

1-50	$46.80
51+	$44.46

Qty:
EA

Amphenol SF-100GLB3.5W-5DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 5dB Attenuation & 3.5W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB3.5W-5DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 5dB; consuming no more than 3.5 Watts of …
Qty avail.: 8
Availability: In stock

1-50	$46.80
51+	$44.46

Qty:
EA

Amphenol SF-100GLB3.5W-6DB QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 6dB Attenuation & 3.5W Power Consumption [100-Gigabit Ethernet Ready]
Code: SF-100GLB3.5W-6DB
Genuine Amphenol 100G QSFP loopback adapter modules provide the ideal 100-Gigabit Ethernet rated port testing solution for QSFP28 enabled ports (28.0 Gbps x 4 channels). This low-profile passive QSFP 100G loopback cable features typical insertion loss (attenuation) characteristics of approximately 6dB; consuming no more than 3.5 Watts of …
Qty avail.: 0
Availability: Out of stock