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Compact black small-form-factor desktop tower with wired keyboard and mouse

DELL

DELL QCS1250 SFF Desktop PC Intel Core i9-14900K 32GB DDR5 1TB NVMe

SKU CH-6HKH-RJ5P2

A compact small-form-factor desktop with a 24-core Intel Core i9 processor, 32 GB DDR5 memory and a 1 TB NVMe drive, plus Windows 11 Pro and included keyboard and mouse

  • Release Year2025
  • Form FactorSmall Form Factor
  • ColorBlack
  • ProcessorIntel Core i9-14900K
  • Processor Main Features64 bit 24-Core Processor
  • Cache Per Processor36MB
  • 24-core Intel Core i9-14900K reaches 6.0 GHz for heavy multitasking
  • 32GB DDR5 5600 MHz memory keeps large workloads responsive
  • 1TB PCIe NVMe M.2 SSD provides fast boot and file access
  • Small 95 mm wide chassis fits tight desk spaces
  • Windows 11 Pro pre-installed with wired keyboard and mouse included

Pro Slim QCS1250 SFF

The Dell Pro Slim QCS1250 is a small-form-factor desktop built around a 24-core Intel Core i9-14900K processor reaching 6.0 GHz. It ships with 32 GB of DDR5 memory at 5600 MHz and a 1 TB PCIe NVMe M.2 drive. Windows 11 Pro is pre-installed, making the system ready for business or education workloads immediately.

Thermals and power

The 11.95 by 3.74 by 11.54 inch chassis weighs 8.61 lb and houses the 24-core CPU with integrated Intel UHD Graphics 770. No discrete graphics card is present, so the cooling solution handles only the processor and platform heat. Gigabit Ethernet provides wired network connectivity without additional wireless hardware.

Included peripherals

A Dell KB216 wired keyboard and a Dell wired mouse connect via USB Type-A ports. The front panel offers two USB 2.0 ports, one USB 3.2 Gen 1 Type-A port and one USB 3.2 Gen 1 Type-C port plus a global headset jack. Rear video outputs comprise one HDMI 2.1 and one DisplayPort 1.4a for dual-display support.

Highlights

  • 24-core Intel Core i9-14900K reaches 6.0 GHz for heavy multitasking
  • 32GB DDR5 5600 MHz memory keeps large workloads responsive
  • 1TB PCIe NVMe M.2 SSD provides fast boot and file access
  • Small 95 mm wide chassis fits tight desk spaces
  • Windows 11 Pro pre-installed with wired keyboard and mouse included

Specifications

BrandDELL
ModelQCS1250
Release Year2025
Form FactorSmall Form Factor
ColorBlack
ProcessorIntel Core i9-14900K
Processor Main Features64 bit 24-Core Processor
Cache Per Processor36MB
Memory32GB
Storage1TB NVMe SSD
EthernetEthernet
MonitorMonitor not included
KeyboardKeyboard
MouseMouse
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core i9
Installed QtyBusiness, Education
CPU NameIntel Core i9-14900K
CPU Socket TypeLGA 1700
GPU/VGA TypeIntel UHD Graphics 770
Graphics CardIntel Graphics
Graphics InterfaceIntegrated
Virtual Reality ReadyNo
Memory Capacity32GB
Memory SpeedDDR5 5600
Maximum Memory Supported128GB
SSD1TB
TouchscreenNo
BluetoothBluetooth
Front USB4
Video Ports1x HDMI 2.1, 1x DisplayPort 1.4a
Rear USB4
RJ451
Keyboard TypeWired Keyboard
Mouse TypeWired Mouse
Package TypeRetail

Questions about this item

How do I install the DDR5 memory in the QCS1250 SFF, and what step is often missed?

Open the chassis, align the notch on the DDR5 module with the slot key, press firmly until the retention clips click, then verify 5600 MHz operation in BIOS — the step often missed is seating the module fully so both clips engage automatically.

What maintenance or replacement will the QCS1250 SFF need over time?

The 1 TB NVMe SSD has a finite write endurance; plan to replace it once the SMART health indicator approaches its rated TBW limit, and clean dust from the compact 95 mm wide chassis vents annually to maintain airflow.

What limit appears first when the Core i9-14900K runs sustained loads in this SFF?

The 24-core processor can hit 6.0 GHz turbo, but the small 3.74 in. wide enclosure restricts cooler capacity, so thermal throttling under prolonged all-core workloads is the first limit you will encounter.

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