Networking Cables & Adapters

networking cables & adapters — pre-owned

13,163listings

Browse 13,163 networking cables & adapters — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Generic External 10Gbps SFP+  to SFP+ 3M AOC Optic Fiber Network Cable
UsedBuy It NowBest Offer

Generic External 10Gbps SFP+ to SFP+ 3M AOC Optic Fiber Network Cable

Connector Type: SFP+ to SFP+. Connector A: SFP+. Cable Type: Active Optical Cable. Custom Label(SKU) : UXC-SFP+-SFP+-AOC-3M. Just reach out to discuss possibilities. Unixsurplusnet is a division of UNIXSurplus, a large Server dealer in Silicon Valley, California.

$12.99
+$6.95Sunnyvale, US
unixsurplusnet
Feedback
99.9%Excellent· 10.5k
View on eBayOpen listing →
Coherent OBIS 488-20LS 1178767 MFG 2013 50.5k Hours w/ Fiber Cable *READ*
UsedBuy It NowBest Offer

Coherent OBIS 488-20LS 1178767 MFG 2013 50.5k Hours w/ Fiber Cable *READ*

Model Number: 1178767. syst:inf:mod?. - OBIS LS 488-20. Manufacturer: Coherent. Wavelength: 488 nm. Fiber Coupled Output. Fiber coupled for easy integration into complex optical systems. Fiber Cable.

$399.99
See listingFalls Church, US
fallfax-surplus
Feedback
99.6%Excellent· 10.6k
View on eBayOpen listing →
40G 56G High Speed Cable MC2207130-001 QSFP+ DAC For Mellanox (Lot If 10).
UsedBuy It NowBest Offer

40G 56G High Speed Cable MC2207130-001 QSFP+ DAC For Mellanox (Lot If 10).

(Sold as Lot of 10).

$89.00
Free ShippingLongwood, US
triprintxchange
Feedback
100.0%Excellent· 7.1k
View on eBayOpen listing →
Panduit TGJT Termination Tool for TG Style C11
UsedBuy It NowBest Offer

Panduit TGJT Termination Tool for TG Style C11

Panduit TGJT C11 Termination Tool. It is a black jack tool that is compatible with universal brands and is sourced from the United States. The tool is a versatile option for terminating networking cables quickly and efficiently. **SEE PHOTOS FOR DETAIL**

$265.00
See listingMilwaukee, US
midwestfinders
Feedback
100.0%Excellent· 729
View on eBayOpen listing →
100ft Black CAT 6 Ethernet Network Cable
UsedBuy It Now

100ft Black CAT 6 Ethernet Network Cable

Preowned but only used for a few months of remote work when needed to be hardwired. 100ft and ready to work again.

$40.00
Free ShippingSumter, US
bargains-and-budgets
Feedback
100.0%Excellent· 5.5k
View on eBayOpen listing →
Cisco STACK-T1-50CM  StackWise-480 50cm stacking cable for 3850 series
TOP
UsedBuy It NowBest Offer

Cisco STACK-T1-50CM StackWise-480 50cm stacking cable for 3850 series

$17.98$18.99-5%

You save $1.01

Free ShippingSouth Hackensack, US
luckywolf29TOP
Feedback
99.8%Excellent· 56.0k
View on eBayOpen listing →
AudioQuest 1.5 m RJ/E Pearl 1.5 m Cat7 Black Network Cable
UsedBuy It NowBest Offer

AudioQuest 1.5 m RJ/E Pearl 1.5 m Cat7 Black Network Cable

For your consideration, I have a 1.5 m audioquest, Pearl RJ/45 network cable for sale. There are no skin flaws or any dings or dents on the cable heads. Guaranteed fully functional and in pristine condition. Free shipping to the lower 48 US states!

$39.95
Free ShippingO Fallon, US
hifiguy808
Feedback
100.0%Excellent· 1.8k
View on eBayOpen listing →
Passive 40GB QSFP+ to 4x SFP+ 10GB DAC 3m 28AWG Copper Breakout Cable
UsedBuy It NowBest Offer

Passive 40GB QSFP+ to 4x SFP+ 10GB DAC 3m 28AWG Copper Breakout Cable

Connector A QSFP+. Type: Direct Attach Copper Cables (DAC). Connector B: 4x SFP+. Unixsurplusnet is a division of UNIXSurplus, a large Server dealer in Silicon Valley, California. We specialize in used servers and switches.

$39.00
Free ShippingMerced, US
unixsurplusnet
Feedback
99.9%Excellent· 10.5k
View on eBayOpen listing →
Monoprice CAT5e Riser Cable 1000 ft. 24/4 Low Voltage Solid Green "PARTIAL"
UsedBuy It Now

Monoprice CAT5e Riser Cable 1000 ft. 24/4 Low Voltage Solid Green "PARTIAL"

Monoprice CAT5e Riser Cable 1000 ft. 24/4 Low Voltage Solid Green "PARTIAL" Original box is labeled for 1000 ft. but appears to be half full or more. The actual remaining length on the spool is unknown and sold as a partial roll (see photos for spool fullness reference). *Bulky shipping.

$30.00
+$25.00Vernon Rockville, US
nowandthen84
Feedback
100.0%Excellent· 1.6k
View on eBayOpen listing →
Monoprice CAT5e Riser Cable 1000 ft. 24/4 Low Voltage Solid White “PARTIAL”
UsedBuy It Now

Monoprice CAT5e Riser Cable 1000 ft. 24/4 Low Voltage Solid White “PARTIAL”

Monoprice CAT5e Riser Cable 1000 ft. 24/4 Low Voltage Solid White “PARTIAL” Original box is labeled for 1000 ft. Appears to be full but the actual remaining length on the spool is unknown and sold as a partial roll (see photos for spool fullness reference). *Bulky shipping.

$45.00
+$25.00Vernon Rockville, US
nowandthen84
Feedback
100.0%Excellent· 1.6k
View on eBayOpen listing →
Corning Cable Systems LANscape UniCam Pretium Fiber Optic Tool Kit (1) Kit
UsedBuy It Now

Corning Cable Systems LANscape UniCam Pretium Fiber Optic Tool Kit (1) Kit

I have 1 Kit available. Used condition.

$450.00
Free ShippingMontrose, US
kppumpsgas
Feedback
100.0%Excellent· 419
View on eBayOpen listing →
CCI 100GbE QSFP28 to QSFP28 PVC 30AWG Passive Cable 187-D002-1
UsedBuy It NowBest Offer

CCI 100GbE QSFP28 to QSFP28 PVC 30AWG Passive Cable 187-D002-1

Cable length vary! Do not place an order and then request a cancellation afterward. The listed prices do not apply. Excellent condition.

$12.99
Free ShippingChino, US
g-electronic
Feedback
99.7%Excellent· 128.9k
View on eBayOpen listing →
200 FT CAT6 Outdoor Waterproof Direct Burial UV Resistant Network Cable Open-Box
Seller refurbishedBuy It Now

200 FT CAT6 Outdoor Waterproof Direct Burial UV Resistant Network Cable Open-Box

UbiGear 200ft 50m RJ45 CAT6 Outdoor Direct Ethernet LAN Network Patch Cable Cord. UV ratedOutdoor CMX rated jacket. Unlike category 5e, category 6 cable is fitted with a spline to separate the four twisted pairs inside the sheath.The separation along with a doubling of available bandwidth from that of category 5e results in a significantly higher signal-to-noise ratio.

$34.98
Free ShippingFremont, US
ubigear
Feedback
99.8%Excellent· 179.7k
View on eBayOpen listing →
ADC FST-DRS12-HS OPTIC ROUND SPLICE TRAY 12 IBER COUNT W/ 6 Feet of Cable
-30%
UsedBuy It Now

ADC FST-DRS12-HS OPTIC ROUND SPLICE TRAY 12 IBER COUNT W/ 6 Feet of Cable

ADC FST-DRS12-HS OPTIC ROUND SPLICE TRAY 12 IBER COUNT W/ 6 Feet of Cable. Condition is Used. Shipped with USPS Ground Advantage.

$45.50$65.00-30%

You save $19.50

See listingSheridan, US
ecotechsolutions630
Feedback
99.8%Excellent· 10.8k
View on eBayOpen listing →
Neutrik (NAO4MW-A) OpticalCon Multimode 50/125-OM3 PC Coupler
UsedBuy It NowBest Offer

Neutrik (NAO4MW-A) OpticalCon Multimode 50/125-OM3 PC Coupler

The Neutrik NAO4MW-A OpticalCon Multimode 50/125-OM3 PC Coupler is a high-quality networking adapter designed for use with the Neutrik NAO4MW-A model. This coupler allows for easy and efficient connection of multimode cables, making it ideal for expanding networking capabilities and ensuring reliable data transmission. Neutrik is a trusted brand known for producing quality networking equipment, making this coupler a reliable choice for various networking needs.

$178.00
See listingReading, US
readingcityav
Feedback
100.0%Excellent· 47
View on eBayOpen listing →
GE AMX 4 Plus X-ray Tube
For parts or not workingBuy It NowBest Offer

GE AMX 4 Plus X-ray Tube

GE AMX 4 Plus X-ray Tube This unit has not been tested. It was pulled off of another machine. No returns sold as is.

$600.00
See listingCasa Grande, US
doublepts
Feedback
100.0%Excellent· 45
View on eBayOpen listing →
Cisco STACK-T1-50CM Stackwise Cable for 3850 Series-Lifetime Warranty
UsedBuy It NowBest Offer

Cisco STACK-T1-50CM Stackwise Cable for 3850 Series-Lifetime Warranty

$26.00
Free ShippingRockwall, US
lonestar-networks
Feedback
100.0%Excellent· 2.4k
View on eBayOpen listing →
Arista Original Breakout Cable Arista 3M QSFP 40G to 4x SFP+ 10G CAB-Q-S-3M
-40%
UsedBuy It Now

Arista Original Breakout Cable Arista 3M QSFP 40G to 4x SFP+ 10G CAB-Q-S-3M

Any other parts, accessories, power adapters, etc. are not included unless indicated below. We will be happy to resolve the issue and work out a solution with you. Device(s) is(are) in good condition.

$24.00$40.00-40%

You save $16.00

+$9.79North Brunswick, US
augmentedit
Feedback
99.8%Excellent· 12.4k
View on eBayOpen listing →
*LOT OF 2* SFP-H10GB-CU1M 1 Meter 10GbE SFP+ DAC Cable Twinax 37-0960-03
UsedBuy It NowBest Offer

*LOT OF 2* SFP-H10GB-CU1M 1 Meter 10GbE SFP+ DAC Cable Twinax 37-0960-03

Present normal wear. Pulled from working unit. The listed prices do not apply.

$16.99
Free ShippingChino, US
g-electronic
Feedback
99.7%Excellent· 128.9k
View on eBayOpen listing →
Aruba HP J9665A 3800/3810M 1M STACKING CABLE 5080-0150 J9665-610001
UsedBuy It NowBest Offer

Aruba HP J9665A 3800/3810M 1M STACKING CABLE 5080-0150 J9665-610001

J9665A HP 3800/3810M 1M STACKING CABLE 5080-0150 J9665-610001. Include: 1 cable as pictures. Condition: Used, tested in excellent working condition. weight 12 oz.

$39.98
Free ShippingHayward, US
tl-computers
Feedback
100.0%Excellent· 2.9k
View on eBayOpen listing →
5 X  Mellanox 00W0049 IBM 1m QSFP Passive Copper FDR14 InfiniBand Cable 00W0051
UsedBuy It NowBest Offer

5 X Mellanox 00W0049 IBM 1m QSFP Passive Copper FDR14 InfiniBand Cable 00W0051

5 pieces for $35 or best offer The product is a set of 5 Mellanox 1m QSFP Passive Copper FDR14 InfiniBand cables, compatible with the IBM model 00W0051. These cables have a length of 1 meter and are designed to provide high-speed data transfer for networking and computer connectivity. With the Mellanox brand known for quality and reliability, this product is ideal for organizations looking to enhance their network infrastructure with durable and efficient cable connections.

$35.00
Free ShippingSaddle Brook, US
need-2-trade-llc
Feedback
100.0%Excellent· 2.6k
View on eBayOpen listing →
Genuine Extreme Networks Summit 250084-00 16106 0.5M Stacking Cable
UsedBuy It Now

Genuine Extreme Networks Summit 250084-00 16106 0.5M Stacking Cable

250084-00 16106 0.5M Stacking Cable. YOU WILL RECEIVE ONLY WHAT IS PICTURED IN THE AD UNLESS OTHERWISE NOTED. I WILL TRY MY BEST TO RESOLVE ANY ISSUE OR CONCERNS YOU MAY HAVE.

$9.95
Free ShippingFall River, US
nsn-networking
Feedback
100.0%Excellent· 7.8k
View on eBayOpen listing →
Cisco Stacking Cable 800-40403-01 (STACK-T1-50CM) for Cisco 3850 / 9300 series
UsedBuy It NowBest Offer

Cisco Stacking Cable 800-40403-01 (STACK-T1-50CM) for Cisco 3850 / 9300 series

For Cisco Catalyst 3850 and 9300 Series. Once we confirm and agree to your request, you may then place your order.Donot leave new requests in the order notes after purchasing. The listed prices do not apply.

$14.99
Free ShippingChino, US
g-electronic
Feedback
99.7%Excellent· 128.9k
View on eBayOpen listing →
Starlink Gen 3  Waterproof Replacement Cable for V3 Rectangular Satellite 150ft
UsedBuy It Now

Starlink Gen 3 Waterproof Replacement Cable for V3 Rectangular Satellite 150ft

The Starlink Gen 3 Waterproof Replacement Cable for V3 Rectangular Satellite is a 150-foot long gray cable designed for connecting satellite equipment. This cable is specifically made for the V3 rectangular satellite system and is resistant to water, ensuring reliable performance in various weather conditions. Its length of 150 feet provides flexibility for positioning and installation, making it a practical and durable choice for networking and computer connections in remote or challenging environment. This could pass as new, but it is not.

$25.00
Free ShippingCleveland, US
ohio-stuff-4-sale
Feedback
99.1%Excellent· 1.7k
View on eBayOpen listing →
Genuine Cisco QDD-400-CU3M 37-1844-01 400G to 400G 3M DAC Passive Cable
UsedBuy It NowBest Offer

Genuine Cisco QDD-400-CU3M 37-1844-01 400G to 400G 3M DAC Passive Cable

Once we confirm and agree to your request, you may then place your order.Donot leave new requests in the order notes after purchasing. Do not place an order and then request a cancellation afterward.

$134.99
Free ShippingChino, US
g-electronic
Feedback
99.7%Excellent· 128.9k
View on eBayOpen listing →
2x  Apple A1433 Thunderbolt to Gigabit Ethernet Adapter - MD463LL/A
UsedBuy It Now

2x Apple A1433 Thunderbolt to Gigabit Ethernet Adapter - MD463LL/A

The item must be in the condition in which it was received. No P.O Box. No APO/FPO.

$16.99
Free ShippingUS
computerhardware
Feedback
99.8%Excellent· 2.7k
View on eBayOpen listing →
Mellanox MC2207130-00A QSFP Passive DAC Cable VPI UP to 56Gbs
TOP
UsedBuy It Now

Mellanox MC2207130-00A QSFP Passive DAC Cable VPI UP to 56Gbs

Mellanox MC2207130-00A QSFP Passive DAC Cable VPI UP to 56Gbs. Working Pulls. Grade A cosmetic condition Sku11

$18.99
Free ShippingNorcross, US
joeprintTOP
Feedback
99.5%Excellent· 8.2k
View on eBayOpen listing →
Fluke Networks OFP-QUAD OptiFiber Pro SM MM OTDR Module Calibrated Feb 2026
UsedBuy It NowBest Offer

Fluke Networks OFP-QUAD OptiFiber Pro SM MM OTDR Module Calibrated Feb 2026

Fluke OFP-QUAD OptiFiber Pro SM MM Fiber OTDR Module. Includes (1) OFP-QUAD Fiber Module as pictured Only.

$5999.99
Free ShippingFrisco, US
diagnostics-us
Feedback
98.7%Excellent· 1.4k
View on eBayOpen listing →
Stryker 495-STK Light Post Adapter for Storz or Olympus Fiber Optic Cables
UsedBuy It NowBest Offer

Stryker 495-STK Light Post Adapter for Storz or Olympus Fiber Optic Cables

$45.00
See listingTipp City, US
jnzmed0214
Feedback
100.0%Excellent· 444
View on eBayOpen listing →
1/3pcs(MA5608T,2×MCUD,1×MPWC,1×GPFD With16×C+ ,1*gpbd with8*c+ 1×AC TO DC Power)
UsedBuy It Now

1/3pcs(MA5608T,2×MCUD,1×MPWC,1×GPFD With16×C+ ,1*gpbd with8*c+ 1×AC TO DC Power)

1/3Pcs MA5608T(2×MCUD,1×MPWC,1×GPFD With 16×C+,1 gpbd with c+). 1/3Pcs AC TO DC Power.

$420.00
Free ShippingCN
shopping_mart_forever
Feedback
100.0%Excellent· 441
View on eBayOpen listing →
True Cable Cat 5e CMR riser Unshielded 828 Feet
UsedBuy It NowBest Offer

True Cable Cat 5e CMR riser Unshielded 828 Feet

Has 828 feet remaining The True Cable Cat 5e CMR riser unshielded cable is a high-quality networking cable designed for Ethernet connections. With a length of 828 feet, this black cable is compatible with Cat 5e models and features Ethernet (RJ-45) male connectors on both ends. The True Cable brand ensures reliability and performance for all your networking needs.

$100.00
See listingNorth Little Rock, US
diamondstatesales501
Feedback
100.0%Excellent· 123
View on eBayOpen listing →
HPE J9665A Aruba 3800/3810M 1M Stacking Cable 5080-0150
TOP
UsedBuy It NowBest Offer

HPE J9665A Aruba 3800/3810M 1M Stacking Cable 5080-0150

For our networking orders, we include rack ears, power cable and console cable, as well as a 1-year warranty. Our inventory is always changing, so be sure to check back often to see what we have available.

$75.99$79.99-5%

You save $4.00

See listingEden Prairie, US
ocean-techTOP
Feedback
99.8%Excellent· 57.8k
View on eBayOpen listing →
Cisco CAB-SPWR-30CM Stack Power Cable, 1 Year Warranty
UsedBuy It NowBest Offer

Cisco CAB-SPWR-30CM Stack Power Cable, 1 Year Warranty

Catalyst 3750X and 3850 Stack Power Cable 30 CM. However you find us, you will know you have the backing of our warranty.

$7.74
Free ShippingOmaha, US
usedciscodealer
Feedback
99.9%Excellent· 3.5k
View on eBayOpen listing →
Commscope DM2-24LC-LS InstaPatch Insta Patch Module Fiber Cassette NICE!
UsedBuy It NowBest Offer

Commscope DM2-24LC-LS InstaPatch Insta Patch Module Fiber Cassette NICE!

With a focus on compatibility and ease of use, this InstaPatch Module is a great addition to any electrical system.

$9.99
Free ShippingFort Worth, US
cwmmw
Feedback
100.0%Excellent· 447
View on eBayOpen listing →
Aruba HP J9578A 3800/3810M 0.5m Stacking Cable
UsedBuy It Now

Aruba HP J9578A 3800/3810M 0.5m Stacking Cable

Condition: Used. Tested in excellent working condition. This item was obtained through surplus, liquidation, or secondary-market channels.

$24.98
Free ShippingHayward, US
tl-computers
Feedback
100.0%Excellent· 2.9k
View on eBayOpen listing →
Camplex 12G SDI Over Fiber Extender SFP Based Transmitter/Receiver CMX-12GSDI-TR
UsedBuy It Now

Camplex 12G SDI Over Fiber Extender SFP Based Transmitter/Receiver CMX-12GSDI-TR

The Camplex 12G SDI Over Fiber Extender SFP Based Transmitter/Receiver CMX-12GSDI-TR is a high-quality unit designed for extending 12G SDI signals over fiber optic cables. With its SFP connectors for easy installation, this black transmitter/receiver set is perfect for professional use in networking and computer systems. Manufactured in Taiwan by Camplex, this unit ensures reliable and efficient transmission of SDI signals for a wide range of applications.

$259.99
Free ShippingFrankfort, US
popculturepicker
Feedback
100.0%Excellent· 6.2k
View on eBayOpen listing →
100 Meter 4 Core Channel LC Armored 5.0 mm TPU Fiber Optic Patch Cable on a Reel
-45%
UsedBuy It Now

100 Meter 4 Core Channel LC Armored 5.0 mm TPU Fiber Optic Patch Cable on a Reel

The writing on the cable says "Armored Optical Fiber Cable GJFJKU-4B6a1 5.0mm TPU". I covered this spot with blue electrical tape.

$192.49$349.99-45%

You save $157.50

Free ShippingTerryville, US
budgetsavers
Feedback
99.9%Excellent· 41.6k
View on eBayOpen listing →
WiFi-Texas WT-AF-5V10W POE Splitter Ethernet to 5V to Lightning Interchangeable
UsedBuy It Now

WiFi-Texas WT-AF-5V10W POE Splitter Ethernet to 5V to Lightning Interchangeable

Place your touchscreen display where you want, not where the charging adapter can reach. Normal 5 volt charging cables for tablets won’t work efficiently for more than a few feet, but our 5 volt PoE splitters and PoE kits can run for hundreds of feet.

$11.50
Free ShippingAlbuquerque, US
ihuman
Feedback
100.0%Excellent· 2.2k
View on eBayOpen listing →
True Cable Cat 5e CMR riser Unshielded 744 Feet
UsedBuy It NowBest Offer

True Cable Cat 5e CMR riser Unshielded 744 Feet

Has 744 feet remaining The True Cable Cat 5e CMR riser unshielded cable is a high-quality networking cable designed for Ethernet connections. With a length of 744 feet, this black cable is compatible with Cat 5e models and features Ethernet (RJ-45) male connectors on both ends. The True Cable brand ensures reliability and performance for all your networking needs.

$80.00
See listingNorth Little Rock, US
diamondstatesales501
Feedback
100.0%Excellent· 123
View on eBayOpen listing →
29ea SM ST Unicam Tips
UsedBuy It NowBest Offer

29ea SM ST Unicam Tips

29ea ST SM Unicams tips

$225.00
See listingVineland, US
skini2781
Feedback
100.0%Excellent· 665
View on eBayOpen listing →