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Two black sleeved CPU 8-pin extension cables with male and female connectors

YEZriler CPU 8-Pin Extension Cable 2-Pack 20.8-inch 18AWG 500W

SKU CH-B21Z-86XV1

Two 20.8-inch 18 AWG ATX 8-pin (4+4) male-to-female extension cables rated for 500 W, plus a hook-and-loop strip for tidy CPU power routing

  • Key featuresThis 20.8 in (2-PACK) power extension cord is made by YEZril
  • Extends PSU-to-motherboard reach by 20.8 inches
  • Two cables included for dual-CPU or spare builds
  • 18 AWG copper handles up to 500 W safely
  • Detachable 4+4 pin fits both 8-pin and 4-pin CPU sockets
  • UL-listed 1007 wire meets recognised safety standards

Extension Length and Gauge

Each cable measures 20.8 inches or 53 centimetres including connectors and uses 1007-rated 18AWG tin-coated copper wire. The two-pack gives enough length to route the CPU power line behind the motherboard tray without pulling the original PSU lead tight. Builders who need a longer single run or a different colour will not find those options here.

Build Integration

The male end is a detachable 4+4 pin EPS connector that can slide apart to fit either an 8-pin or 4-pin motherboard socket, while the female end accepts any standard ATX 8-pin CPU output from the power supply. It frees up cable-routing space in mid-tower and larger cases but does not convert voltage or pin-out, so it cannot be used for PCIe graphics power. Systems that already have sufficient CPU cable reach gain no benefit.

Sustained Load Behaviour

The assembly is rated for a maximum continuous draw of 500 watts through the 18AWG conductors. Under typical CPU loads well below that ceiling the wires run cool and voltage drop remains negligible across the 20.8-inch span. Loads approaching the 500-watt limit will increase conductor temperature and should only be sustained with adequate case airflow.

How it compares

Measured against everything we stock in AC Extension Cords, at today’s prices. Recalculated every night.

Price $25.99
Pricier than about 81% of the 864 comparable items (median $15.99).

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Specifications

Product
Brand nameYEZriler
Model nameCPU 8 Pin male to female extension cable

Questions about this item

What maximum power can the 18 AWG wires carry continuously?

The 18 AWG conductors are rated for 500 W, so sustained loads up to that level stay within the cable's thermal limit.

How warm do the connectors and sleeving get when the cable runs at full load all day?

At the rated 500 W the tin-coated copper and UL-listed insulation remain within safe operating temperature; the black sleeving adds no measurable heat.

Which power-supply and motherboard connectors must already be present for these extensions to work?

You need a PSU with an ATX 12 V 8-pin (4+4) male output and a motherboard with an ATX 4-pin or 8-pin CPU power socket.

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