Next Working Day
On qualifying orders
UK Dispatched
Fast & reliable nationwide
Expert Support
Mon–Fri, 8 am – 6 pm
Genuine Brands
Authorised reseller
Next-working-day delivery. Order before 17:30 (England & Wales) or 16:00 (Northern Ireland, Republic of Ireland, Scotland) to receive next-working-day delivery. Orders placed before 17:30 Friday are delivered Monday; after 17:30 Friday arrive Tuesday. Upgrades — pre-9, pre-10:30, pre-noon, special and secure bulk — available at extra cost.
Orders over £100 (ex VAT) receive FREE next-working-day delivery across the UK.
Instant digital delivery. Software licences, subscriptions, warranties & insurance, and electronic copies are delivered the same day via email — provided a valid email address is entered at checkout.
*UK business days (Mon–Fri). Orders placed after Friday 17:30 will be dispatched Monday for Tuesday delivery. Subject to stock, payment clearance and courier network conditions.

Dell Pro Slim Plus QBS1250
Slim desktop Core Ultra 7 265 / up to 5.3 GHz
RAM 16 GB
SSD 512 GB
NVMe, TLC
Intel Graphics
Gigabit Ethernet, IEEE 802.11ax (Wi-Fi 6E), Bluetooth
Win 11 Pro
monitor: none
black
BTS
with 3 Years Basic Onsite
Weight: 5.30 KG
- Windows 11 Pro 64-bit
- Intel Core Ultra 7 265 (30MB Cache)
- 16GB DDR5-SDRAM (1 x 16) & 512GB SSD
Similar Products
Dell Pro Slim QCS1250 - slim desktop Core Ultra 5 235 3.4 GHz - 16 GB - SSD 512 GB
Overview
The Dell Pro Slim Plus QBS1250 is designed to meet the diverse needs of a personal computer setup. With a small form factor, it offers a space-saving design without compromising on performance. Featuring an Intel Core Ultra 7 processor with a clock speed of 2.4 GHz and the capability to boost up to 5.3 GHz, this model ensures efficient multitasking and running demanding applications. The built-in Intel Graphics and 16 GB DDR5 RAM enhance overall graphical performance and responsiveness for everyday tasks and entertainment. Equipped with a speedy 512 GB SSD that utilizes PCI Express 4.0 technology, data transfer and load times are significantly improved. The system supports high definition audio with Realtek ALC3204, providing a clear audio experience. Furthermore, this model complies with EPEAT Silver and is ENERGY STAR certified, making it an environmentally friendly choice for energy-conscious users. Connectivity options such as USB 3.2 and DisplayPort ensure compatibility with various peripherals and monitors, making the Dell Pro Slim Plus QBS1250 versatile for any setup.
Specifications
Processor
- Processor boost frequency
- 5.3 GHz GHz
- Performance cores
- 8
- Efficient cores
- 12
- Performance-core Max Turbo Frequency
- 5.2 GHz GHz
- Efficient-core Max Turbo Frequency
- 4.6 GHz GHz
- Performance-core base frequency
- 2.4 GHz GHz
- Efficient-core base frequency
- 1.8 GHz GHz
- Processor cache
- 30 MB MB
- Processor cache type
- Smart Cache
- Number of processors installed
- 1
- Processor base power
- 65 W W
- Maximum turbo power
- 182 W W
- Processor family
- Intel Core Ultra 7
- Processor manufacturer
- Intel
- Processor model
- 265
- Processor generation
- Intel Core Ultra (Series 2)
- Processor cores
- 20
- Processor threads
- 20
Neural processor unit (NPU)
- Neural processor unit (NPU)
- Intel AI Boost
- Sparsity support
- Yes
- Windows Studio effects support
- Yes
- AI software frameworks supported by NPU
- DirectML, OpenVINO, Windows ML, ONNX RT, WebNN
- Total processor performance up to
- 33 TOPs TOPs
- NPU performance up to
- 13 TOPs TOPs
- GPU performance up to
- 8 TOPs TOPs
RAM
- Internal memory
- 16 GB GB
- Memory layout (slots x size)
- 1 x 16 GB GB
- Memory slots
- 4x DIMM
- Non-ECC
- Yes
- Memory data transfer rate
- 5600 MT/s MT/s
- Maximum internal memory
- 128 GB GB
- Internal memory type
- DDR5-SDRAM
Storage
- Total storage capacity
- 512 GB GB
- Optical drive type
- No
- Storage media
- SSD
- Total SSDs capacity
- 512 GB GB
- Number of SSDs installed
- 1
- SSD capacity
- 512 GB GB
- SSD memory type
- TLC
- SSD interface
- PCI Express 4.0
- NVMe
- Yes
- SSD form factor
- M.2
Network
- Wi-Fi standards
- 802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6E (802.11ax)
- WLAN controller manufacturer
- Intel
- Ethernet LAN
- Yes
- Wi-Fi
- Yes
- Ethernet LAN data rates
- 10,100,1000 Mbit/s Mbit/s
- Cabling technology
- 10/100/1000Base-T(X)
- LAN controller
- Intel® I219-LM
- Top Wi-Fi standard
- Wi-Fi 6E (802.11ax)
- WLAN controller model
- Intel Wi-Fi 6E AX211
- Antenna type
- 2x2
- Antenna design
- Internal
- Bluetooth
- Yes
Graphics
- Discrete graphics card model
- Not available
- On-board graphics card model
- Intel Graphics
- On-board GPU manufacturer
- Intel
- On-board graphics card family
- Intel Graphics
- Discrete graphics card
- No
- On-board graphics card
- Yes
Ports & interfaces
- USB 2.0 ports quantity
- 4
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 3
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 1
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- 1
- Thunderbolt 3 ports quantity
- 0
- HDMI ports quantity
- 0
- USB 3.2 Gen 2x2 Type-C ports quantity
- 1
- DisplayPorts quantity
- 3
- DisplayPort version
- 1.4a
- Ethernet LAN (RJ-45) ports
- 1
- Combo headphone/mic port
- Yes
- Number of rear USB ports
- 6
- Number of front USB ports
- 4
- Number of SATA III connectors
- 2
Expansion slots
- PCI Express x1 (Gen 3.x) slots
- 1
- PCI Express x4 (Gen 3.x) slots
- 1
- PCI Express x16 (Gen 4.x) slots
- 1
Design
- Chassis type
- Slim PC
- Product colour
- Black
- Placement supported
- Horizontal/Vertical
- Cable lock slot
- Yes
- Cable lock slot type
- Kensington
Packaging content
- Cables included
- AC
- Input device model
- Dell Pro Keyboard and Mouse - KM5221W - UK (QWERTY) - Black
Display
- Display included
- No
Performance
- Product type
- PC
- Market positioning
- Business
- Motherboard chipset
- Intel Q870
- Audio chip
- Realtek ALC3204
- Audio system
- High Definition Audio
- Trusted Platform Module (TPM)
- Yes
- Trusted Platform Module (TPM) version
- 2.0
Software
- Operating system installed
- Windows 11 Pro
- Operating system architecture
- 64-bit
- Trial software
- Activate Your Microsoft 365 For A 30 Day Trial
Power
- Power supply
- 260 W W
- Power supply input voltage
- 90 - 264 V V
- Power supply input frequency
- 47/63 Hz Hz
Operational conditions
- Operating temperature (T-T)
- 10 - 35 °C °C
- Storage temperature (T-T)
- -40 - 65 °C °C
- Operating relative humidity (H-H)
- 10 - 90% %
- Storage relative humidity (H-H)
- 0 - 95% %
- Operating altitude
- -15.2 - 3048 m m
- Non-operating altitude
- -15.2 - 10668 m m
- Operating vibration
- 0.66 G G
- Non-operating vibration
- 1.3 G G
- Operating shock
- 110 G G
- Non-operating shock
- 160 G G
Sustainability
- Sustainability certificates
- ENERGY STAR, EPEAT Climate +, EPEAT Gold
- Doesn't contain
- PVC/BFR
Weight & dimensions
- Width
- 95 mm mm
- Depth
- 293 mm mm
- Height
- 303.5 mm mm





