A large cooler sitting between two processor power sockets makes a simple question surprisingly hard to answer from a spec sheet alone: will both 30cm extensions actually reach where they need to go, or will one fall visibly short partway through the route?

Quick Answer

It depends on where the sockets sit and how much room the cooler leaves. No general answer covers it. Each lead adds 30cm, so measure the path from your intended junction to each socket before assuming the second has an easy route.

📏 What actually decides whether a lead reaches

The distance that matters is the actual route the cable takes from your chosen junction point to the socket - not the straight-line distance between the two, which is almost always shorter than the real path. A large cooler forces a longer, more circuitous route than a quick visual estimate suggests, sometimes by a meaningful margin, so measuring the genuine path the cable will actually follow is the only reliable way to know if 30cm is enough before you commit to a specific junction placement.

🧵 How to measure it properly

A length of string laid along the exact intended path, then measured once it is pulled straight, gives a far more honest reading than a tape measure ever will - a tape measure reads a straight line, and a cable routed around a cooler, through a grommet, and up to a socket never actually travels in one. Take the extra few minutes to do this properly before assuming either extension has the reach it needs.

🔀 Moving the junction as a fix

If a measured route comes up short, moving the junction point closer to the socket is the standard fix - at the cost of that join sitting somewhat nearer the visible area than you might have preferred. On a genuinely difficult second run, particularly one competing with a large cooler for space, that trade is very often worth making rather than accepting a cable pulled uncomfortably taut or, worse, one that simply cannot reach at all.

🏗️ Socket placement and routing strategy

Two processor sockets often sit close together side by side, but not on every board - some designs separate them, which makes the second route the genuinely harder one to plan around a fitted cooler. Where possible, fitting both leads before a tall cooler goes on removes this entire problem rather than requiring you to work around an already-mounted tower afterward, so sequencing the build with cable-fitting before cooler installation is worth considering if your build order allows it. A right-angle approach - feeding the lead down through a case roof opening rather than routing it sideways across the board - often provides noticeably more slack at the plug than a direct sideways route ever does, and is worth trying specifically on a second processor run that a cooler is making difficult to reach. cable solutions lists the wider range these extensions belong to; a custom-length alternative for an especially awkward cooler-and-socket combination sits at individually sleeved premium cables.

Frequently Asked Questions

What decides whether a lead reaches?

The distance from the junction to the socket along the actual route, not in a straight line. A cooler forces a longer path than it looks.

How should I measure it?

Run a length of string along the path the cable will take, then measure the string. A tape measure reads a line the cable never follows.

Can the junction be moved closer?

It can, at the cost of the join sitting nearer the visible area. That trade is often worth making on a difficult second run.

Do the two sockets usually sit together?

Often side by side, but not always. Some boards separate them, which makes the second route the harder one to plan.

What if one lead falls short?

Move the junction for that run, or route it from a different opening. Stretching a cable to reach is the one thing to avoid.

Does the cooler have to come off?

Not necessarily, but fitting the leads before a tall cooler goes on removes the problem rather than working around it.

Is a right-angle approach worth trying?

Feeding down from a roof opening rather than across the board often gives more slack at the plug than the sideways route.

Routing dual EPS leads around a large cooler? Check Evetech's power supply range and measure your actual cable path before committing to a junction position.