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Compact slim desktop tower in matte black finish with front USB-C port and included keyboard and mouse

DELL

DELL Pro Slim QCS1250 desktop PC, Core i9-12900K, 32GB DDR5, 1TB NVMe, Windows 11 Pro

SKU CH-ZX4Z-TKSDX

A slim business desktop with a 16-core Intel Core i9-12900K, 32 GB DDR5 memory, 1 TB NVMe storage and Windows 11 Pro

  • TypeBusiness Desktops & Workstations
  • Form Factor180W
  • UsageBusiness
  • AudioSound card - Integrated
  • EthernetGigabit Ethernet
  • Power Supply180W
  • 16-core Intel Core i9-12900K handles demanding workloads
  • 32GB DDR5 4800MHz memory speeds up multitasking
  • 1TB PCIe NVMe SSD provides fast storage access
  • Wi-Fi 6 and Bluetooth 5.3 enable reliable wireless connectivity
  • Dual DisplayPort 1.4a and HDMI 2.1 support two monitors

Business desktop for demanding workloads

The Dell Pro Slim QCS1250 is a compact business desktop built around an Intel Core i9-12900K processor with 16 cores. It ships with 32GB of DDR5 4800 memory and a 1TB PCIe NVMe SSD. Windows 11 Pro is pre-installed and the system includes a USB keyboard and mouse for immediate deployment.

Upgrading from older OptiPlex

The 12th-generation Core i9 delivers significantly higher multi-thread throughput than previous 8-core or 10-core business CPUs. The jump is worth it when workloads involve heavy multitasking, large dataset manipulation or virtualisation that saturate older platforms. Integrated Intel UHD Graphics 770 handles standard office display output without a discrete card.

32GB DDR5 and 1TB NVMe provide generous headroom

Dual-channel DDR5 at 4800MHz comfortably runs multiple virtual machines, large spreadsheets and memory-hungry browsers. The single NVMe slot and one 3.5-inch SATA bay allow storage expansion up to the 64GB memory ceiling. Buyers who need more storage bays or discrete graphics capability should consider a larger chassis.

Highlights

  • 16-core Intel Core i9-12900K handles demanding workloads
  • 32GB DDR5 4800MHz memory speeds up multitasking
  • 1TB PCIe NVMe SSD provides fast storage access
  • Wi-Fi 6 and Bluetooth 5.3 enable reliable wireless connectivity
  • Dual DisplayPort 1.4a and HDMI 2.1 support two monitors

Specifications

SeriesBusiness Desktop
ModelPro Slim
TypeBusiness Desktops & Workstations
Form Factor180W
UsageBusiness
AudioSound card - Integrated
EthernetGigabit Ethernet
Power Supply180W
MonitorMonitor not included
Cooling SystemAir Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core i9 12th Gen
CPU Socket TypeLGA 1700
GPU/VGA TypeIntel UHD Graphics 770
Memory Capacity32GB DDR5
Memory SpeedDDR5 4800
SSD1 TB PCIe
HDDNo
Screen SizeNo Screen
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6
BluetoothBluetooth 5.3
Front USB1x USB 3.2 TYPE C, 1x USB 3.2, 2x USB 2.0
Front Audio Ports1
Video Ports1 HDMI 1 Display Port
Rear USB2 x USB 3.2, 2 x USB 2.0
RJ451 port
Keyboard TypeWired Keyboard
Mouse TypeWired Mouse
Speaker ConfigurationInternal Speaker
Package TypeRetail

Questions about this item

What clearance does the 180W slim chassis need for the air cooling vents?

Leave at least 50 mm behind and above the rear exhaust so the internal fan can push hot air out without recirculation.

Which cable must be attached first when adding a 3.5" SATA drive in the internal bay?

Connect the SATA data cable to the motherboard before routing the power lead from the PSU; reversing the order often traps the connector behind the drive cage.

When should the two DDR5 4800 SO-DIMMs be replaced to reach the 64 GB limit?

Swap both modules for a matched 32 GB pair when memory pressure appears in Task Manager; the board has only two slots so mixing old and new sticks is not possible.

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