Monoprice Cat8 S/FTP 2GHz 40Gbps Ethernet Cable — main product image

Monoprice Cat8 S/FTP 2GHz 40Gbps Ethernet Cable

Monoprice

Monoprice Cat8 S/FTP 2GHz 40Gbps Ethernet Cable

Name: Monoprice Cat8 S/FTP 2GHz 40Gbps Ethernet Cable
Brand: Monoprice
SKU: Cat8 S/FTP Ethernet Network Cable

★★★★★4.0 (9 reviews)

40Gbps throughput and 2GHz bandwidth over pure copper — Cat8 cabling that won't bottleneck 10G or 25G infrastructure.

$10.32*$10.38Save 0%

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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

The Monoprice Entegrade Cat8 S/FTP Ethernet cable is rated for data transfer speeds up to 40Gbps with 2GHz of usable bandwidth — specifications that place it at the top of the copper Ethernet cabling hierarchy. Built with 26 AWG pure bare copper conductors and S/FTP (Screened/Foiled Twisted Pair) shielding, this cable is engineered for environments where electromagnetic interference and crosstalk must be kept to an absolute minimum, such as data center racks, server-to-switch connections, and high-speed NAS links. The 2GHz bandwidth is double that of Cat6a (which tops out at 500MHz), giving the cable substantial headroom for 10GBASE-T, 25GBASE-T, and 40GBASE-T Ethernet standards within its supported distance range.

In practice, Cat8 cabling is best deployed as short-to-medium patch cables in environments where multi-gigabit networking is already in place or planned. The 30-meter maximum distance for 40Gbps operation means this is not a substitute for structured horizontal cabling runs (where Cat6a remains the standard choice), but rather a high-bandwidth link for rack-to-rack, switch-to-server, and workstation-to-switch connections. The 26 AWG gauge keeps the cable flexible enough for dense patch panel work, while the RJ45 terminations ensure drop-in compatibility with existing Ethernet infrastructure. For network engineers building out 10G or faster environments on copper, this cable provides the bandwidth ceiling to avoid near-term cable plant upgrades — provided the run lengths stay within spec.

Key Features

Superior Performance: Monoprice Entegrade Cat8 Cables can deliver up to 40Gbps data transfer speeds.

Up to 2GHz Bandwidth: Entegrade Cat8 Ethernet Network Cables feature up to 2GHz bandwidth using standard copper conductors and RJ45 connectors.

Future Proof: Monoprice's Entegrade Cat8 Cables are an excellent, future proof solution for current and upcoming generations of active 10G and up to 40G networks.

Conductor Material: Pure Bare Copper

26 AWG

Specifications

Pros & Cons

👍 Pros

40Gbps rated throughput and 2GHz bandwidth capacity future-proof short-run connections for 10G, 25G, and 40G network upgrades.
Pure bare copper conductors ensure reliable signal integrity and lower resistance compared to copper-clad aluminum alternatives.
S/FTP double-layer shielding — individual foil per pair plus overall braid — minimizes EMI and crosstalk at high frequencies.
Standard RJ45 connectors maintain full backward compatibility with existing Cat5e through Cat7 infrastructure.
26 AWG gauge provides a thinner, more flexible cable that routes easily in rack environments and tight patch panel spaces.

👎 Cons

Cat8 specification limits 40Gbps performance to 30-meter maximum runs — insufficient for building-length horizontal cabling.
S/FTP shielding requires proper grounding at both ends to be effective; without grounded jacks or patch panels, the shielding can introduce noise rather than reduce it.
26 AWG conductors are less durable than 23 AWG for permanent installation or repeated handling in high-traffic cable trays.
The thicker shielding layers increase cable stiffness compared to unshielded Cat6 patch cables, making very tight bend radii difficult.
Premium over Cat6a pricing is only justified if endpoints actually support speeds above 10Gbps — most current consumer and prosumer hardware does not.

Frequently Asked Questions

Do I need special hardware to take advantage of Cat8 speeds?

Yes. To reach the full 25GBASE-T or 40GBASE-T speeds this cable supports, both your NIC and switch must have matching multi-gigabit ports. On standard 1G or 2.5G hardware, the cable will work perfectly but won't exceed what the endpoints support — the cable itself is not the bottleneck.

Is this cable compatible with standard RJ45 ports and existing network equipment?

Yes. Cat8 uses standard RJ45 connectors and is backward compatible with Cat5e, Cat6, Cat6a, and Cat7 equipment. You can use it in any Ethernet RJ45 port — it will simply negotiate at the speed the connected hardware supports.

What does S/FTP shielding mean in practice?

S/FTP means each of the four twisted pairs is individually foil-wrapped (Foiled Twisted Pair), and the entire cable bundle is wrapped in an additional braided shield (Screened). This double-layer shielding provides strong protection against electromagnetic interference (EMI) and crosstalk, which is critical for maintaining signal integrity at 2GHz frequencies over copper.

What maximum run length does Cat8 support at 40Gbps?

The Cat8 specification supports 40Gbps speeds at distances up to 30 meters (approximately 98 feet). Beyond that length, signal attenuation at 2GHz frequencies will degrade performance. For longer runs at high speed, fiber optic connections are the appropriate alternative.

Is 26 AWG conductor gauge a concern for performance?

26 AWG is thinner than the 23 AWG commonly found in Cat6a patch cables, which makes this Cat8 cable more flexible and easier to route in tight spaces. For patch cable lengths (under 30m), 26 AWG pure bare copper delivers full rated performance. It would not be suitable for in-wall permanent installation runs where thicker gauge is preferred for durability and signal margin.