partaker B23 Black

The Partaker B23 mini PC squeezes an i9-14900F and RTX 5070 into a tiny chassis, but it can't handle the heat. Owners report constant overheating and shutdowns, making it one of the least reliable performance PCs we've seen. Save your money for a system that actually works.

With the i9-14900F, this mini rig lands in the 85th percentile for CPU performance in our database, putting it up there with some of the best desktop chips you can buy. The RTX 5070 isn't far behind, sitting in the 81st percentile for graphics power, thanks to its 6144 CUDA cores and DLSS 4 support. And 64GB of DDR5 RAM? That's 97th percentile territory, practically best-in-class for a prebuilt system. In short, the B23 has the hardware to chew through AAA titles at high frame rates and handle 4K or even 8K video editing without breaking a sweat. On paper, anyway.

The real-world story is messier. Owners who manage to play for more than an hour consistently report thermal throttling and sudden shutdowns. That means those benchmark-winning numbers rarely translate into sustained, stable performance. Our storage score falls in a solid 73rd percentile, so the SSD is snappy, but it's all for naught if the system can't keep its cool. The liquid cooling solution, whatever it is, simply doesn't seem up to the task of wrangling a 14900F and a 5070 in such a cramped chassis.

Stack the B23 against something like the HP OMEN 45L GT22-3080 and the differences become obvious. The OMEN 45L is a big boy, but it cools a high-end Intel chip and RTX GPU with a legit thermal solution that keeps performance steady. You won't find horror stories of shutdowns after 60 minutes. The ASUS Republic of Gamers GM700TZ offers a similar performance tier with Asus' typically robust cooling and software tuning. Even the Lenovo Legion Tower 5i Gen 10, which often costs less, delivers a more dependable experience. The Partaker's port situation is also a weak spot, we ranked it in the 39th percentile for connectivity, so if you need a ton of USB ports or flexibility, those full-size towers are a smarter pick. The B23's only real edge is its tiny case, but the trade-offs in thermals and reliability are huge.

At $4,189, the B23 isn't cheap. For that kind of cash, you could pick up a full-tower system with similar specs, way better cooling, and a warranty you can actually count on. Competitors like the HP OMEN 45L or Lenovo Legion Tower 5i Gen 10 offer comparable performance in a larger but far more stable package. The B23's only real value proposition is its tiny footprint, but you're paying a massive premium for that miniaturization, and you're also gambling on a machine that might crash when you push it. We can't call that a good deal.

The Partaker B23 is one of those machines that looks like a dream on paper. A liquid-cooled mini PC packing a 24-core Intel Core i9-14900F and an NVIDIA GeForce RTX 5070 with 12GB of GDDR7 VRAM, plus 64GB of DDR5 RAM and a 1TB NVMe SSD, all for around $4,189. If you're hunting for a compact desktop that can handle 8K gaming and heavy multitasking, it's easy to see why this thing grabs your attention. And in terms of raw component muscle, it's legit: you're getting near top-of-the-charts CPU performance and one of the best consumer GPUs out there.

But here's the thing: specs don't tell the whole story. The B23 has been plagued by miserable user feedback, averaging a 1.0 out of 5 stars across 20 reviews on Newegg. Our database shows it in the 10th percentile for social proof, meaning practically nobody has good things to say. The culprit? Overheating. Despite its liquid-cooling claims, owners report the system shutting down after just an hour of gaming. When a PC can't maintain its own power without thermals getting in the way, all those impressive numbers start to feel like a tease.

We always root for mini PC innovation, but the B23 feels like a case of overambition without proper engineering follow-through. In our reliability rankings, it sits at a dismal 12th percentile, among the worst we've tracked. For a machine priced like a high-end desktop, that's a dealbreaker. If you're searching for a mini gaming PC that just works, this one comes with a big asterisk.

This machine isn't for anyone who needs a dependable daily driver. If you're a content creator banking on stable render times, a remote worker who can't afford downtime, or a gamer who wants to marathon without interruptions, the B23's track record makes it a risk not worth taking. For similar performance in a reliable package, look at the HP OMEN 45L, ASUS ROG towers, or even a well-cooled mini PC from a more established brand like Intel's NUC Extreme or Minisforum's high-end models that don't skimp on thermals.

Don't buy the Partaker B23 unless you're prepared for some serious headaches. Yes, the specs read like a power user's wishlist, and we love the idea of a mini PC that can hang with top-tier desktops. But when a system can't stay on for more than an hour without overheating, all that hardware is wasted. If you absolutely need a compact machine and are willing to tinker with cooling mods or undervolting, maybe you can make it work, but for the vast majority of buyers, this is a pass. We'd recommend a larger, more reliable desktop with similar specs, or even a gaming laptop if portability is the goal.