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40 Gbps Network Cables

All Network Cables

7 40 gbps network cables from Ximhun, FLYPROFiber, UGREEN and more. Most cost $9 to $13, and half cost less than $11.

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
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
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.
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
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
Molltto

Ethernet, Cat8, 40 Stated speed, 2 to 3

+Pack of 2 to 3 cables for multiple connections
+Cat8 cable rated for 40 Gbps data transfer
+Flat design for tidy cable runs
$12.99
as of 11/04/2026 10:05 PST - Details

Compare specs

network cableTypeEthernet categoryStated speedJacket ratingSpec scorePrice
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
Fiber40Low smoke (LSZH)n/a$9.99
as of 11/04/2026 11:07 PST - Details
Direct attach (SFP)40n/aNo current price
EthernetCat840Outdoor9.5$12.99
as of 11/04/2026 10:07 PST - Details
EthernetCat8409.5$8.99
as of 11/04/2026 10:06 PST - Details
EthernetCat840n/a$12.99
as of 11/04/2026 10:05 PST - Details

Before you buy

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