Dell OptiPlex Pro Slim QCS1250 SFF Desktop Computer Next-Gen Version Review

A CPU powerhouse trapped in a productivity-only body. Blazing fast for spreadsheets, utterly useless for games, and too expensive for what it is.

Here's the one thing you need to know about the Dell OptiPlex Pro Slim QCS1250: it's a CPU monster in a tiny box, but it's absolutely not a gaming PC. This small form factor desktop packs Intel's new Ultra 9 285K, a 24-core chip that, according to our benchmarks, lands in the 97th percentile for raw processing power. It's built for office productivity, data crunching, and running a dozen Chrome tabs without breaking a sweat. But with integrated graphics and a tiny 180W power supply, it's about as useful for gaming as a bicycle is for flying.

The CPU performance genuinely surprised us. This little machine's processor outpaces the i9-14900K, which is wild for a compact business desktop. It's a multitasking beast. Where it falls flat, predictably, is graphics. With a GPU ranking in the 37th percentile, you're stuck with Intel's integrated graphics. That means no modern gaming, no serious video editing, and definitely no AI model training. It's a one-trick pony, but that one trick is running spreadsheets and databases at an alarming speed.

At $2050, the value proposition is narrow. You're paying a premium for that top-tier CPU and the Dell business-class build in a small package. If your work is purely CPU-bound and desk space is gold, it might be justifiable. For everyone else, you can get similar or better productivity performance for hundreds less, or a full gaming PC for the same price.

Don't even look at the gaming desktops on the competitor list, like the Alienware Aurora or HP Omen. They're in a different universe. A more relevant comparison is a business-focused mini-PC from Lenovo or HP. You'd likely get similar CPU performance, the same integrated graphics, and a much lower price tag. The only reason to choose this Dell is if you're locked into their ecosystem for IT management. Otherwise, those competitors offer better value.

If you're even thinking about gaming, photo editing, or video work, skip this immediately. Go get a gaming desktop like the Corsair Vengeance a7400 instead—you'll get a great CPU and a powerful GPU for a similar price. This Dell is for number crunching, not fun.

We can only recommend this to a very specific buyer: a business or power user who needs the absolute fastest CPU for data analysis, software development, or virtualization, and has zero need for a graphics card. For that person, it's a great, compact tool. For literally anyone else—home users, creatives, gamers, or general office workers—this is an easy pass. You're paying for horsepower you can't fully use.