Dell Pro Slim Mini Desktop QCS1250 Black 2025
The Intel Core Ultra 5 235 processor with 14 cores and a 5 GHz boost clock delivers capable multitasking in a compact 3.63kg chassis. Its dual-SSD configuration provides 1.5TB of total storage, while Wi-Fi 7 and dual 4K monitor support offer modern connectivity for a cluttered desk. This mini-tower is best for business users needing a quiet, space-saving Windows 11 Pro workstation for office applications and data management.
Snapshot
The 30-Second Version
The Dell Pro Slim Mini is a quiet, capable office PC with a strong Intel Ultra 5 chip and a ton of fast storage. It's a terrible choice for gaming thanks to integrated graphics, but for pure productivity, it's a solid buy at the right price. Just watch out for confusing online listings.
Pros & Cons
Pros
- The Intel Ultra 5 235 CPU is a strong performer for business and multitasking. 97th
- Dual SSD storage gives you a generous 1.5TB of fast space. 81th
- Ultra-quiet design makes it perfect for a shared or small office. 80th
- Includes Windows 11 Pro and a handy portable USB hub. 70th
Cons
- Integrated graphics are a total non-starter for gaming or 3D work.
- No built-in optical drive, so you'll need an external one for CDs or DVDs.
- The 180W PSU leaves zero headroom for a future GPU upgrade.
- Product listings are confusing, mixing specs from completely different models.
What owners think
The Word on the Street
The proof
Performance
The 14-core Intel Ultra 5 235 is the star of the show, landing in the 80th percentile for CPU performance in our database. That puts it well above average for this class of machine. It handles multitasking smoothly, and the 16GB of DDR5 RAM is enough for most office workflows, though it's a middle-of-the-pack 54th percentile score. The integrated GPU is the obvious weak link, sitting at the 48th percentile. It's fine for driving a couple of 4K monitors for productivity, but it completely falls apart for anything graphically demanding. The storage setup is a bright spot, with a combined 1.5TB of SSD space hitting the 81st percentile, which is genuinely impressive for a mini desktop.
Specifications
Full Specifications
Processor
| CPU | Intel Core Ultra 5 235 |
| Cores | 14 |
| Frequency | 3.4 GHz |
| L3 Cache | 24 MB |
Graphics
| GPU | Intel Graphics |
| Type | integrated |
| VRAM | 48 GB |
| VRAM Type | GDDR6 |
Memory & Storage
| RAM | 16 GB |
| RAM Generation | DDR5 |
| Storage 1 | 512 GB |
| Storage 1 Type | SSD |
| Storage 2 | 1 TB |
| Storage 2 Type | SSD |
Build
| Form Factor | mini-tower |
| PSU | 180 |
| Weight | 3.6 kg / 8.0 lbs |
Connectivity
| USB-C Ports | 1 |
| USB Ports | 3 |
| HDMI | 1x HDMI |
| DisplayPort | 1x DisplayPort |
| Wi-Fi | Wi-Fi 7 |
| Bluetooth | Bluetooth 5.4 |
| Ethernet | Gigabit Ethernet |
System
| OS | Windows 11 Pro |
vs Competition
Stacked against something like the Apple Mac mini M4, the Dell takes a different approach. The Mac mini's integrated GPU runs circles around the Intel Graphics here, making it a better pick if you have any light creative work. But the Dell fights back with more RAM and storage at a similar price, plus native Windows 11 Pro for business environments. Compared to gaming-focused towers like the HP Omen 45L or MSI Aegis Z2, the Dell isn't even in the same conversation for graphics, but it's also a fraction of the size and noise. It's a pure office machine competing with other SFF PCs, not gaming rigs.
| Spec | Dell Pro Slim Mini Desktop QCS1250 | HP Omen 45L | Lenovo Legion Tower 5i 90YA003GUS | CLX SET TGMSETRTU5204BM | MSI Aegis ZS Aegis Z2 C7NVP-1449US | Apple Mac mini M4 |
|---|---|---|---|---|---|---|
| CPU | Intel Core Ultra 5 235 | Intel Core Ultra 9 285K | Intel Core Ultra 7 265F | Intel Core i9 14900KF | AMD Ryzen 7 7700 | Apple M4 |
| RAM (GB) | 16 | 64 | 32 | 64 | 32 | 16 |
| Storage (GB) | 1536 | 8096 | 1000 | 8000 | 1000 | 256 |
| GPU | Intel Graphics | NVIDIA GeForce RTX 5080 | NVIDIA GeForce RTX 5060 Ti | NVIDIA GeForce RTX 5070 | NVIDIA GeForce RTX 5070 | Apple M4 10-core |
| Form Factor | mini-tower | mid-tower | mid-tower | mid-tower | mid-tower | mini |
| Psu W | 180 | - | 500 | 850 | 750 | 155 |
| OS | Windows 11 Pro | Windows 11 Home | Windows 11 Home | Windows 11 Home | Windows 11 Home | macOS Sequoia 15.1 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Cpu | Gpu | Ram | Port | Storage | Reliability | Social Proof |
|---|---|---|---|---|---|---|---|
| Dell Pro Slim Mini Desktop QCS1250 | 80.2 | 47.6 | 54 | 49.7 | 81.2 | 70.2 | 97.3 |
| HP Omen 45L Compare | 97.8 | 87 | 95.6 | 98.1 | 99.4 | 70.2 | 86.5 |
| Lenovo Legion Tower 5i 90YA003GUS Compare | 87.3 | 74.4 | 82.7 | 94.3 | 63.5 | 70.2 | 99.8 |
| CLX SET TGMSETRTU5204BM Compare | 94.2 | 80.6 | 96.7 | 86.7 | 99.2 | 11.4 | 95.4 |
| MSI Aegis ZS Aegis Z2 C7NVP-1449US Compare | 75.5 | 80.6 | 88 | 94.7 | 63.5 | 37.4 | 84.5 |
| Apple Mac mini M4 Compare | 58 | 89.5 | 30.5 | 96.8 | 13.1 | 99.4 | 99.8 |
Price
Value & Pricing
Pricing on this thing is all over the map, with a spread from $800 to a frankly absurd $404,534 across different vendors. Ignore the crazy high numbers, those are clearly listing errors. At the $800 end, this is a fair deal for a compact, quiet business desktop with a current-gen Intel chip and a solid amount of fast storage. The included Windows 11 Pro license adds real value for a business. Just make sure you're buying from a reputable seller with the correct specs listed, and aim for that lower end of the price range.
Best Buy 1 aanbiedingen Vanaf US$ 800
Price History
Read more
Overview
The Dell Pro Slim Mini Desktop QCS1250 is a tidy little office machine that knows exactly what it is. It's not trying to be a gaming rig or a creative workstation. It's built to sit quietly on a desk, chew through spreadsheets, and handle a dozen browser tabs without breaking a sweat. The Intel Ultra 5 235 chip is a solid performer for everyday business tasks, and the dual SSD setup gives you plenty of fast storage right out of the box.
But you need to read the fine print here. The listing is a bit of a mess, mixing up specs from wildly different configurations. The unit we're looking at has integrated Intel Graphics, not a dedicated GPU, so don't expect to do any real gaming or 3D work. It's a purpose-built office PC, and for that job, it's well-equipped with 16GB of DDR5 RAM and Windows 11 Pro.
Common Questions
Q: Can this desktop handle gaming or video editing?
No, the integrated Intel Graphics are only designed for basic display output and light productivity. It scores a 14.7 out of 100 for gaming in our tests, so you'll need a machine with a dedicated GPU for those tasks.
Q: Does it support multiple monitors?
Yes, it has both HDMI and DisplayPort outputs and supports dual 4K monitors, which is perfect for a productivity setup.
Q: Is the RAM and storage user-upgradeable?
While the compact case makes it tighter to work in, the DDR5 RAM and M.2 SSD are typically accessible. The 180W power supply is the main limitation, as it won't support adding a dedicated graphics card.
Who Should Skip This
If you need to do any gaming, 3D modeling, or video editing, look elsewhere immediately. The integrated graphics are one of the weakest points on this machine. Also, if you absolutely need an internal optical drive, this slim case doesn't have one, so you'd be better off with a slightly larger traditional tower.
Verdict
This is a purpose-built office PC for people who need a quiet, compact Windows machine that just works. It's ideal for a reception desk, a hot-desking setup, or anyone who lives in Excel and Outlook all day. The strong CPU and plentiful storage are the main draws. Just don't buy it expecting to play games or edit video, and double-check the exact specs from your seller before you click buy.