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40 Gbps Network Cables

All Network Cables

52 40 gbps network cables from Ximhun, FLYPROFiber, UGREEN and more. Most cost $7 to $41, and half cost less than $13.

DbillionDa

Ethernet, Cat8, 40 Stated speed

+Rated for 2000MHz bandwidth
+Available in lengths from 3 feet to 50 feet
+6-foot length suits connecting nearby devices
−Cat8 speeds exceed what most home internet plans need
$6.89-31%List: $9.99
as of 11/04/2026 02:06 PST - Details
Fibergaga

Fiber, OM3, 40 Stated speed, Low smoke (LSZH)

+40 stated speed: the highest stated speed of the 52 here
$28.69-30%List: $40.99
as of 11/04/2026 02:07 PST - Details
Brozzag

Ethernet, Cat6, 40 Stated speed, Outdoor

+Pack of 10 cables in 6 foot lengths
+Cat6 cable rated for 40Gbps
+Supports Cat8 and Cat7 network standards
$23.99-20%Was: $29.99
as of 11/04/2026 03:09 PST - Details
Vandesail

Fiber, OM3, 40 Stated speed, Outdoor

+213-foot length covers long runs between rooms
+OM3 multimode fiber supports 40Gb transmission
+Armored construction adds physical protection
−Heavier armored build is less flexible than indoor cable
$42.89-19%Was: $52.79
as of 11/04/2026 02:11 PST - Details
DacrownSpec score 9.5

Ethernet, Cat8, 40 Stated speed, 1 Pack count

+Shielded construction for interference resistance
+Short 1.5-foot length for close connections
+Single cable in each pack
−Short length limits use to nearby devices
$6.79-15%Was: $7.99
as of 11/04/2026 10:07 PST - Details
BusoheSpec score 9.5

Ethernet, Cat8, 40 Stated speed, 4 to 5

+Pack of 4 to 5 cables for multiple connections
+Shielded braided SFTP construction
+2 ft length suits tight equipment connections
−Very short length limits use to nearby devices
$11.69-10%List: $12.99
as of 11/04/2026 10:06 PST - Details
SenetemSpec score 9.5

Ethernet, Cat8, 40 Stated speed, 2 to 3

+Supports 40Gbps data rate
+Shielded cable for interference resistance
+Flat design for tidy routing
$8.99-10%List: $9.99
as of 11/04/2026 10:06 PST - Details
Ximhun

Ethernet, Cat8, 40 Stated speed, Outdoor

+Pack of 2 cables for multiple connections
+15ft length suits longer runs between devices
+Braided design adds durability to the cable
$13.29-5%Was: $13.99
as of 11/04/2026 03:09 PST - Details
SnowkidsSpec score 9.5

Ethernet, Cat8, 40 Stated speed

+Shielded S/FTP construction
+Solid copper conductors
+Short 6 ft length for nearby devices
−Short 6 ft length limits reach
$9.99-23%List: $12.99
as of 11/04/2026 09:11 PST - Details
FLYPROFiber

Fiber, OM3, 40 Stated speed, Low smoke (LSZH)

+Six-pack for multiple connections
+Low smoke zero halogen jacket
+3.3 ft length suits short connections
−Short length limits placement options
$21.99
as of 11/04/2026 11:07 PST - Details
RamboCables

Fiber, OM3, 40 Stated speed, Low smoke (LSZH)

+OM3 multimode fiber for short-range runs
+Supports 40 Gbps data rate
+Low smoke zero halogen jacket
−Very short length limits placement flexibility
$9.99
as of 11/04/2026 11:07 PST - Details
Cable Matters

Fiber, OM3, 40 Stated speed, Plenum (CMP)

+Five-pack for multiple fiber connections
+Supports 40Gb data speeds
+Plenum jacket suits air-handling spaces
−Very short 3.3ft length limits placement
$29.99
as of 11/04/2026 11:08 PST - Details
Yutianhome

Fiber, OM3, 40 Stated speed

+OM3 multimode fiber for data center links
+Outdoor armored jacket for protected installs
+Uniboot duplex LC to LC connectors
−Requires fiber-compatible switches and transceivers
$41.99
as of 11/04/2026 02:06 PST - Details
RamboCables

Fiber, OM3, 40 Stated speed, Low smoke (LSZH)

+OM3 multimode fiber for short-range runs
+Supports 40 Gbps data rate
+Low smoke zero halogen jacket
−Shorter length limits reach for longer runs
$23.99
as of 11/04/2026 02:08 PST - Details
NewYork Cables

Fiber, OM4, 40 Stated speed

+Supports 40 Gbps data transfer
+OM4 multimode fiber for high-speed links
+49.2 ft length suits longer runs
−Fiber needs compatible transceivers and ports
$15.00
as of 11/04/2026 02:08 PST - Details
10Gtek

Direct attach (SFP), 40 Stated speed, 2 to 3

+9.8 ft length for nearby equipment
+Passive copper design with no power needed
+Pack of 2 to 3 cables
−Copper twinax design limits reach to short distances
No price recorded yet.
FLYPROFiber

Fiber, OM3, 40 Stated speed, Outdoor

+12-core cable for multiple fiber connections
+Outdoor jacket for outdoor installation
+98 ft length for longer runs
−Outdoor jacket is heavier than indoor cabling
$229.99
as of 11/04/2026 02:07 PST - Details
Buacoz

Fiber, OM4, 40 Stated speed, Low smoke (LSZH)

+Low smoke zero halogen jacket for enclosed installs
+LC to LC duplex connectors for matching ports
+About 6.6 ft length suits short equipment runs
−Requires multimode-compatible LC ports on equipment
$11.99
as of 11/04/2026 02:06 PST - Details
FiberPrime

Fiber, OM3, 40 Stated speed, Low smoke (LSZH)

+Five-cable pack for multiple connections
+OM3 multimode fiber
+Low smoke zero halogen jacket
−Multimode fiber, not suited to long distances
No price recorded yet.
10Gtek

Direct attach (SFP), 40 Stated speed

+Supports 40 Gbps data rate
+Direct attach QSFP+ form factor
+3.3 ft length fits tight equipment layouts
−Very short 3.3 ft reach limits placement
$41.99
as of 11/04/2026 02:06 PST - Details
Aopockan TechSpec score 9.5

Ethernet, Cat8, 40 Stated speed, Outdoor

+2000MHz bandwidth for high-performance networks
+Shielded construction reduces interference
+10 ft length suits desk-to-router connections
−Outdoor jacket is stiffer than indoor cable
$12.99
as of 11/04/2026 10:06 PST - Details
BusoheSpec score 9.5

Ethernet, Cat8, 40 Stated speed, Outdoor

+Pack of 2 to 3 cables for multiple connections
+Shielded SFTP construction reduces interference
+15 ft length suits medium room runs
−Flat cable design is less suited to bundling
$12.99
as of 11/04/2026 10:07 PST - Details
BusoheSpec score 9.5

Ethernet, Cat8, 40 Stated speed, 4 to 5

+Shielded cable helps reduce interference
+Short 3 ft length suits tight desk connections
+Pack of 4 to 5 cables for multiple connections
−Short length limits placement between distant devices
$13.99
as of 11/04/2026 10:06 PST - Details
CabneerSpec score 9.5

Ethernet, Cat8, 40 Stated speed

+Shielded construction for reduced interference
+Braided outer jacket
+Gold-plated RJ45 connectors
−Shorter 6 ft length limits placement options
$7.99
as of 11/04/2026 10:06 PST - Details
VoietoltSpec score 9.5

Ethernet, Cat8, 40 Stated speed

+Flat design for neater runs and easier routing
+Braided shielding for protection against interference
+Gold-plated RJ45 connectors for better contact
−Shorter 6 foot length limits placement options
$8.69
as of 11/04/2026 09:11 PST - Details
10GsupxselSpec score 9.5

Ethernet, Cat8, 40 Stated speed, Outdoor

+40 Gbps data rate for very high-speed connections
+Shielded construction to reduce interference
+Outdoor jacket suited to outdoor use
−35 ft length is shorter than many other cables
$9.99
as of 11/04/2026 03:09 PST - Details
DdmallSpec score 9.5

Ethernet, Cat8, 40 Stated speed, 2 to 3

+Shielded construction for reduced interference
+Two cables included in the pack
+Short 3ft length suits desk-to-device runs
−Short 3ft length limits placement options
$8.99
as of 11/04/2026 10:06 PST - Details

Compare specs

network cableTypeEthernet categoryStated speedJacket ratingSpec scorePrice
EthernetCat840n/a$6.89
as of 11/04/2026 02:06 PST - Details
Fiber40Low smoke (LSZH)n/a$28.69
as of 11/04/2026 02:07 PST - Details
EthernetCat640Outdoorn/a$23.99
as of 11/04/2026 03:09 PST - Details
Fiber40Outdoorn/a$42.89
as of 11/04/2026 02:11 PST - Details
EthernetCat8409.5$6.79
as of 11/04/2026 10:07 PST - Details
EthernetCat8409.5$11.69
as of 11/04/2026 10:06 PST - Details
EthernetCat8409.5$8.99
as of 11/04/2026 10:06 PST - Details
EthernetCat840Outdoorn/a$13.29
as of 11/04/2026 03:09 PST - Details
EthernetCat8409.5$9.99
as of 11/04/2026 09:11 PST - Details
Fiber40Low smoke (LSZH)n/a$5.99
as of 11/04/2026 02:08 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.