Dell OptiPlex Dell Pro Slim QCS1250 Desktop, New OptiPlex Review
The Dell OptiPlex Pro Slim packs a flagship Intel i9-14900K into a tiny, quiet box. It's a productivity monster, but the lack of a graphics card makes it a one-trick pony.
The 30-Second Version
A business SFF desktop with a gaming-grade CPU but no graphics card. It's a multitasking beast for office work and coding, but it can't game. Great for power users who need CPU cores in a small, quiet box. Worth it only if that's your exact need.
Overview
The Dell OptiPlex Pro Slim QCS1250 is a desktop with an identity crisis. It's packing a top-tier Intel i9-14900K processor, which is like putting a Formula 1 engine in a city commuter car. This SFF machine is built for business, with a quiet design and Windows 11 Pro ready to go.
It's a powerhouse for office work, development, and multitasking, but don't even think about gaming. The integrated graphics hold it back there. It's a niche product that nails its specific job perfectly.
Performance
The CPU is the star here. With 24 cores and a 94th percentile ranking, this thing shreds through spreadsheets, code compiles, and virtual machines. Paired with 32GB of fast DDR5 RAM, it's a multitasking monster. The storage is decent but not class-leading, landing in the 58th percentile. The big letdown is the GPU, which sits in the 24th percentile. That means no gaming and limited creative work. It's built for pure CPU grunt.
Pros & Cons
Pros
- Insane CPU performance for business and development tasks. 98th
- Compact, quiet, and professional SFF design. 95th
- Comes with Windows 11 Pro and solid reliability scores. 89th
- Easy setup and strong out-of-the-box experience. 74th
Cons
- Integrated graphics make it useless for gaming or 3D work. 33th
- Port selection is basic and ranks poorly.
- No optical drive, requiring an external unit if needed.
- You're paying a premium for a CPU you might not fully utilize.
The Word on the Street
Specifications
Full Specifications
Processor
| CPU | Intel Core i9 14900K |
| Cores | 24 |
| Frequency | 5.6 GHz |
| L3 Cache | 36 MB |
Graphics
| GPU | UHD Graphics |
| Type | integrated |
| VRAM | 32 GB |
| VRAM Type | Shared |
Memory & Storage
| RAM | 32 GB |
| RAM Generation | DDR5 |
| Storage | 1 TB |
| Storage Type | SSD |
Build
| Form Factor | SFF |
| Weight | 5.9 kg / 13.0 lbs |
Connectivity
| Wi-Fi | WiFi 6 |
System
| OS | Windows 11 Pro |
Value & Pricing
At around $1600, it's a pricey proposition. You're paying for that flagship i9 and the Dell business-grade build. If your workflow is all about CPU cores and RAM—think data analysis, software development, or running multiple business applications—this investment makes sense. If you need any graphical power, this is a terrible value because you're buying performance you can't use.
vs Competition
Compared to gaming desktops like the HP Omen or Alienware Aurora at similar prices, this Dell gets smoked in graphics but likely runs quieter and more efficiently for office work. Against other business SFF PCs, its i9-14900K is a much more powerful CPU than what's typically offered. The Lenovo ThinkStation or HP EliteDesk equivalents with similar specs will cost about the same, so it comes down to brand preference and specific port needs. This Dell is for the power user who wants the absolute fastest CPU in the smallest, quietest business box.
| Spec | Dell OptiPlex Dell Pro Slim QCS1250 Desktop, New OptiPlex | HP OMEN HP OMEN 45L Gaming Desktop, Intel Core Ultra 7 | MSI MSI EdgeXpert-11SUS AI Supercomputer | Dell Dell Tower Plus Desktop Computer | Lenovo T Series Towers Legion Tower 5a Gen 10 (30L AMD) 90YJ001LUS | Apple Mac Studio Apple - Mac Studio - M3 Ultra - 1TB SSD - Silver |
|---|---|---|---|---|---|---|
| CPU | Intel Core i9 14900K | Intel Core Ultra 7 265K | NVIDIA GB | Intel Core Ultra 7 265 | AMD Ryzen 7 7700X | Apple M3 Ultra |
| RAM (GB) | 32 | 32 | 128 | 32 | 32 | 96 |
| Storage (GB) | 1024 | 2048 | 4096 | 1024 | 2048 | 1000 |
| GPU | Intel UHD Graphics | NVIDIA GeForce RTX 5080 | NVIDIA | NVIDIA GeForce RTX 5070 | NVIDIA GeForce RTX 5070 | Apple M3 Ultra 60-core |
| Form Factor | SFF | Desktop | Mini | Tower | Tower | - |
| Psu W | - | 850 | 240 | 750 | 850 | - |
| OS | Windows 11 Pro | Windows 11 Pro | NVIDIA DGX OS | Windows 11 Home | Windows 11 Home | macOS |
Common Questions
Q: Can this PC run games?
No, not really. It only has integrated Intel UHD Graphics, which scores in the bottom 24th percentile. It's fine for desktop use and video playback, but forget about modern gaming.
Q: Is the RAM really 32GB or 64GB?
Our data shows the reviewed configuration has 32GB of DDR5 RAM, which is already a lot and scores in the 91st percentile. Some listings might be incorrectly advertising 64GB.
Q: Can I add a graphics card later?
Almost certainly not. This is an ultra-compact Small Form Factor (SFF) design. There's no space or power supply for a standard desktop graphics card.
Who Should Skip This
Gamers and creative pros should skip this immediately. If you edit video, do 3D modeling, or play anything more demanding than Solitaire, the integrated graphics will be a brick wall. Also, if you just need a basic office PC for email and web browsing, this is massive overkill and a waste of money.
Verdict
Buy this if you need a compact, whisper-quiet office PC with maximum CPU power for development, virtualization, or heavy multitasking. It's perfect for a home office power user or a small business server. Just know you're getting a one-trick pony, and that trick is processor speed.