DELL 14 Premium DA14250 Intel Core Ultra 7 255H Laptop 36.8 cm (14.5") WUXGA 32 GB LPDDR5x-SDRAM 1 TB SSD NVIDIA GeForce RTX 4050 Wi-Fi 7 (802.11be) Windows 11 Pro Platinum UK English
Product overview & specifications
Intel Core Ultra 7 255H (24MB Cache), 32GB LPDDR5x-SDRAM, 1000GB SSD, 36.8 cm (14.5") WUXGA 1920 x 1200 IPS, Intel Arc 140T, NVIDIA GeForce RTX 4050 (6GB GDDR6), WLAN, Webcam, Windows 11 Pro 64-bit
Power in motion
A perfect balance of performance and mobility in an iconic design. Powered by AI-capable Intel� CoreT processors and up to NVIDIA� GeForce RTX T 4050 graphics.
Specifications
| Design | |
|---|---|
| Product type | Laptop |
| Market positioning | Premium |
| Form factor | Clamshell |
| Product colour | Platinum |
| Display | |
| HD type | WUXGA |
| Pixel density | 156 ppi |
| Panel type | IPS |
| Display brightness | 500 cd/m� |
| Display response rise/fall | 24 ms |
| Contrast ratio (typical) | 2000:1 |
| Touchscreen | No |
| Display resolution | 1920 x 1200 pixels |
| Display diagonal | 36.8 cm (14.5") |
| Anti-glare screen | Yes |
| Display bezel technology | InfinityEdge |
| Maximum refresh rate | 120 Hz |
| RGB colour space | sRGB |
| Colour gamut | 100% |
| Native aspect ratio | 16:10 |
| Low Blue Light technology | Yes |
| Processor | |
| Processor generation | Intel Core Ultra (Series 2) |
| Processor cache | 24 MB |
| Processor model | 255H |
| Processor boost frequency | 5.1 GHz |
| Processor cores | 16 |
| Processor threads | 16 |
| Processor manufacturer | Intel |
| Processor family | Intel Core Ultra 7 |
| Processor base power | 28 W |
| Maximum turbo power | 115 W |
| Efficient-core base frequency | 1.5 GHz |
| Performance-core base frequency | 2 GHz |
| Efficient-core Max Turbo Frequency | 4.4 GHz |
| Performance-core Max Turbo Frequency | 5.1 GHz |
| Performance cores | 6 |
| Efficient cores | 8 |
| Low Power Efficient-core Base Frequency | 700 MHz |
| Low Power Efficient-core Max Turbo Frequency | 2.5 GHz |
| Low Power Efficient-cores | 2 |
| 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 | 96 TOPs |
| NPU performance up to | 13 TOPs |
| GPU performance up to | 74 TOPs |
| Memory | |
| Memory form factor | On-board |
| Internal memory | 32 GB |
| Internal memory type | LPDDR5x-SDRAM |
| Maximum internal memory | 32 GB |
| Memory channels | Dual-channel |
| Memory data transfer rate | 8400 MT/s |
| Storage | |
| SSD form factor | M.2 |
| Storage media | SSD |
| Optical drive type | No |
| Number of SSDs installed | 1 |
| SSD capacity | 1 TB |
| SSD interface | PCI Express 4.0 |
| Card reader integrated | Yes |
| Compatible memory cards | MicroSD (TransFlash), MicroSDHC, MicroSDXC |
| Total storage capacity | 1 TB |
| Total SSDs capacity | 1 TB |
| NVMe | Yes |
| Graphics | |
| Discrete graphics card | Yes |
| Discrete graphics card memory | 6 GB |
| On-board graphics card family | Intel Arc Graphics |
| On-board graphics card | Yes |
| On-board graphics card model | Intel Arc 140T |
| Discrete graphics card model | NVIDIA GeForce RTX 4050 |
| Discrete graphics memory type | GDDR6 |
| Discrete GPU manufacturer | NVIDIA |
| On-board GPU manufacturer | Intel |
| Audio | |
| Audio chip | Cirrus Logic CS42L43 |
| Number of microphones | 2 |
| Audio system | MaxxAudio Pro |
| Number of built-in speakers | 4 |
| Speakers manufacturer | Waves |
| Speaker power | 2.5 W |
| Built-in microphone | Yes |
| Camera | |
| Front camera | Yes |
| Front camera resolution (numeric) | 2.07 MP |
| Front camera resolution | 1920 x 1080 pixels |
| Video capturing speed | 30 fps |
| Front camera HD type | Full HD |
| Infrared (IR) camera | Yes |
| Optical drive | |
| Optical drive type | No |
| Network | |
| Mobile network connection | No |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| WLAN controller model | Intel Wi-Fi 7 BE201 |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be) |
| Bluetooth | Yes |
| Wi-Fi data rate (max) | 5800 Mbit/s |
| Antenna type | 2x2 |
| WLAN controller manufacturer | Intel |
| Wi-Fi band | Tri-band (2.4 GHz / 5 GHz / 6 GHz) |
| Ports & interfaces | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB Type-C DisplayPort Alternate Mode | Yes |
| USB 2.0 ports quantity | 0 |
| HDMI ports quantity | 0 |
| Combo headphone/mic port | Yes |
| USB Power Delivery (USB PD) | Yes |
| Thunderbolt 4 ports quantity | 3 |
| Intel� Thunderbolt 4 | Yes |
| Performance | |
| Ambient light sensor | Yes |
| Keyboard | |
| Pointing device | Touchpad |
| Numeric keypad | No |
| Keyboard backlit | Yes |
| Keyboard language | UK English |
| Software | |
| Operating system architecture | 64-bit |
| Trial software | McAfee Business Protection 1-year,Activate Your Microsoft 365 For A 30 Day Trial |
| Operating system installed | Windows 11 Pro |
| Technical details | |
| Market positioning | Premium |
| Form factor | Clamshell |
| Product colour | Platinum |
| Discrete graphics card memory | 6 GB |
| Processor special features | |
| Intel� EvoT Platform Verified | Yes |
| Battery | |
| Battery technology | Lithium Polymer (LiPo) |
| Number of battery cells | 6 |
| Battery capacity | 70 Wh |
| Battery recharge time | 2 h |
| Battery voltage | 11.7 V |
| Fast charging | Yes |
| Battery weight | 270 g |
| Power | |
| AC adapter power | 100 W |
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| USB Power Delivery (USB PD) | Yes |
| USB Type-C charging port | Yes |
| USB Type-C required charging power (min) | 45 W |
| USB Type-C required charging power (max) | 100 W |
| Security | |
| Fingerprint reader | Yes |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 35 �C |
| Storage temperature (T-T) | -40 - 65 �C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 0 - 95% |
| Operating altitude | -15.2 - 3048 m |
| Non-operating altitude | -15.2 - 10668 m |
| Operating shock | 110 G |
| Non-operating shock | 160 G |
| Operating vibration | 0.66 G |
| Non-operating vibration | 1.3 G |
| Sustainability | |
| Total carbon footprint (kg of CO2e) | 329 |
| Weight & dimensions | |
| Width | 320 mm |
| Depth | 216 mm |
| Height (front) | 6.7 mm |
| Height (rear) | 1.8 cm |
| Packaging data | |
| AC adapter included | Yes |
| Other features | |
| Wi-Fi data rate (max) | 5800 Mbit/s |
| Ambient light sensor | Yes |
| WLAN controller model | Intel Wi-Fi 7 BE201 |
| On-board graphics card | Yes |
| Audio system | MaxxAudio Pro |
| AC adapter included | Yes |
| Anti-glare screen | Yes |
| Sensors | |
| Ambient light sensor | Yes |
| Carbon footprint | |
| Total carbon footprint (kg of CO2e) | 329 |
| Total carbon emissions, standard deviation (kg of CO2e) | 60 |
| PAIA version | PAIA 1.4.7, 2025 |
| Carbon emissions, energy usage (kg of CO2e) | 42.44 |
| Carbon emissions, manufacturing (kg of CO2e) | 268.46 |
| Carbon emissions, logistics (kg of CO2e) | 16.12 |
| Carbon emissions, end-of-life (kg of CO2e) | 1.97 |
| Packaging content | |
| AC adapter included | Yes |
DELL 14 Premium DA14250 Intel Core Ultra 7 255H Laptop 36.8 cm (14.5") WUXGA 32 GB LPDDR5x-SDRAM 1 TB SSD NVIDIA GeForce RTX 4050 Wi-Fi 7 (802.11be) Windows 11 Pro Platinum UK English
£3,340.82
Skip to product information
DELL 14 Premium DA14250 Intel Core Ultra 7 255H Laptop 36.8 cm (14.5") WUXGA 32 GB LPDDR5x-SDRAM 1 TB SSD NVIDIA GeForce RTX 4050 Wi-Fi 7 (802.11be) Windows 11 Pro Platinum UK English
£3,340.82
Intel Core Ultra 7 255H (24MB Cache), 32GB LPDDR5x-SDRAM, 1000GB SSD, 36.8 cm (14.5") WUXGA 1920 x 1200 IPS, Intel Arc 140T, NVIDIA GeForce RTX 4050 (6GB GDDR6), WLAN, Webcam, Windows 11 Pro 64-bit
Power in motion
A perfect balance of performance and mobility in an iconic design. Powered by AI-capable Intel� CoreT processors and up to NVIDIA� GeForce RTX T 4050 graphics.
Specifications
| Design | |
|---|---|
| Product type | Laptop |
| Market positioning | Premium |
| Form factor | Clamshell |
| Product colour | Platinum |
| Display | |
| HD type | WUXGA |
| Pixel density | 156 ppi |
| Panel type | IPS |
| Display brightness | 500 cd/m� |
| Display response rise/fall | 24 ms |
| Contrast ratio (typical) | 2000:1 |
| Touchscreen | No |
| Display resolution | 1920 x 1200 pixels |
| Display diagonal | 36.8 cm (14.5") |
| Anti-glare screen | Yes |
| Display bezel technology | InfinityEdge |
| Maximum refresh rate | 120 Hz |
| RGB colour space | sRGB |
| Colour gamut | 100% |
| Native aspect ratio | 16:10 |
| Low Blue Light technology | Yes |
| Processor | |
| Processor generation | Intel Core Ultra (Series 2) |
| Processor cache | 24 MB |
| Processor model | 255H |
| Processor boost frequency | 5.1 GHz |
| Processor cores | 16 |
| Processor threads | 16 |
| Processor manufacturer | Intel |
| Processor family | Intel Core Ultra 7 |
| Processor base power | 28 W |
| Maximum turbo power | 115 W |
| Efficient-core base frequency | 1.5 GHz |
| Performance-core base frequency | 2 GHz |
| Efficient-core Max Turbo Frequency | 4.4 GHz |
| Performance-core Max Turbo Frequency | 5.1 GHz |
| Performance cores | 6 |
| Efficient cores | 8 |
| Low Power Efficient-core Base Frequency | 700 MHz |
| Low Power Efficient-core Max Turbo Frequency | 2.5 GHz |
| Low Power Efficient-cores | 2 |
| 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 | 96 TOPs |
| NPU performance up to | 13 TOPs |
| GPU performance up to | 74 TOPs |
| Memory | |
| Memory form factor | On-board |
| Internal memory | 32 GB |
| Internal memory type | LPDDR5x-SDRAM |
| Maximum internal memory | 32 GB |
| Memory channels | Dual-channel |
| Memory data transfer rate | 8400 MT/s |
| Storage | |
| SSD form factor | M.2 |
| Storage media | SSD |
| Optical drive type | No |
| Number of SSDs installed | 1 |
| SSD capacity | 1 TB |
| SSD interface | PCI Express 4.0 |
| Card reader integrated | Yes |
| Compatible memory cards | MicroSD (TransFlash), MicroSDHC, MicroSDXC |
| Total storage capacity | 1 TB |
| Total SSDs capacity | 1 TB |
| NVMe | Yes |
| Graphics | |
| Discrete graphics card | Yes |
| Discrete graphics card memory | 6 GB |
| On-board graphics card family | Intel Arc Graphics |
| On-board graphics card | Yes |
| On-board graphics card model | Intel Arc 140T |
| Discrete graphics card model | NVIDIA GeForce RTX 4050 |
| Discrete graphics memory type | GDDR6 |
| Discrete GPU manufacturer | NVIDIA |
| On-board GPU manufacturer | Intel |
| Audio | |
| Audio chip | Cirrus Logic CS42L43 |
| Number of microphones | 2 |
| Audio system | MaxxAudio Pro |
| Number of built-in speakers | 4 |
| Speakers manufacturer | Waves |
| Speaker power | 2.5 W |
| Built-in microphone | Yes |
| Camera | |
| Front camera | Yes |
| Front camera resolution (numeric) | 2.07 MP |
| Front camera resolution | 1920 x 1080 pixels |
| Video capturing speed | 30 fps |
| Front camera HD type | Full HD |
| Infrared (IR) camera | Yes |
| Optical drive | |
| Optical drive type | No |
| Network | |
| Mobile network connection | No |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| WLAN controller model | Intel Wi-Fi 7 BE201 |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be) |
| Bluetooth | Yes |
| Wi-Fi data rate (max) | 5800 Mbit/s |
| Antenna type | 2x2 |
| WLAN controller manufacturer | Intel |
| Wi-Fi band | Tri-band (2.4 GHz / 5 GHz / 6 GHz) |
| Ports & interfaces | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB Type-C DisplayPort Alternate Mode | Yes |
| USB 2.0 ports quantity | 0 |
| HDMI ports quantity | 0 |
| Combo headphone/mic port | Yes |
| USB Power Delivery (USB PD) | Yes |
| Thunderbolt 4 ports quantity | 3 |
| Intel� Thunderbolt 4 | Yes |
| Performance | |
| Ambient light sensor | Yes |
| Keyboard | |
| Pointing device | Touchpad |
| Numeric keypad | No |
| Keyboard backlit | Yes |
| Keyboard language | UK English |
| Software | |
| Operating system architecture | 64-bit |
| Trial software | McAfee Business Protection 1-year,Activate Your Microsoft 365 For A 30 Day Trial |
| Operating system installed | Windows 11 Pro |
| Technical details | |
| Market positioning | Premium |
| Form factor | Clamshell |
| Product colour | Platinum |
| Discrete graphics card memory | 6 GB |
| Processor special features | |
| Intel� EvoT Platform Verified | Yes |
| Battery | |
| Battery technology | Lithium Polymer (LiPo) |
| Number of battery cells | 6 |
| Battery capacity | 70 Wh |
| Battery recharge time | 2 h |
| Battery voltage | 11.7 V |
| Fast charging | Yes |
| Battery weight | 270 g |
| Power | |
| AC adapter power | 100 W |
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| USB Power Delivery (USB PD) | Yes |
| USB Type-C charging port | Yes |
| USB Type-C required charging power (min) | 45 W |
| USB Type-C required charging power (max) | 100 W |
| Security | |
| Fingerprint reader | Yes |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 35 �C |
| Storage temperature (T-T) | -40 - 65 �C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 0 - 95% |
| Operating altitude | -15.2 - 3048 m |
| Non-operating altitude | -15.2 - 10668 m |
| Operating shock | 110 G |
| Non-operating shock | 160 G |
| Operating vibration | 0.66 G |
| Non-operating vibration | 1.3 G |
| Sustainability | |
| Total carbon footprint (kg of CO2e) | 329 |
| Weight & dimensions | |
| Width | 320 mm |
| Depth | 216 mm |
| Height (front) | 6.7 mm |
| Height (rear) | 1.8 cm |
| Packaging data | |
| AC adapter included | Yes |
| Other features | |
| Wi-Fi data rate (max) | 5800 Mbit/s |
| Ambient light sensor | Yes |
| WLAN controller model | Intel Wi-Fi 7 BE201 |
| On-board graphics card | Yes |
| Audio system | MaxxAudio Pro |
| AC adapter included | Yes |
| Anti-glare screen | Yes |
| Sensors | |
| Ambient light sensor | Yes |
| Carbon footprint | |
| Total carbon footprint (kg of CO2e) | 329 |
| Total carbon emissions, standard deviation (kg of CO2e) | 60 |
| PAIA version | PAIA 1.4.7, 2025 |
| Carbon emissions, energy usage (kg of CO2e) | 42.44 |
| Carbon emissions, manufacturing (kg of CO2e) | 268.46 |
| Carbon emissions, logistics (kg of CO2e) | 16.12 |
| Carbon emissions, end-of-life (kg of CO2e) | 1.97 |
| Packaging content | |
| AC adapter included | Yes |