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 UK English Platinum
Product Technical Specification
| Design | |
| Product type | Notebook |
| Product colour | Platinum |
| Form factor | Clamshell |
| Market positioning | Premium |
| Display | |
| Display diagonal | 14.5 |
| Display resolution | 1920 x 1200 |
| Touchscreen | No |
| HD type | WUXGA |
| Panel type | IPS |
| Native aspect ratio | 16:10 |
| Anti-glare screen | Yes |
| Display bezel technology | InfinityEdge |
| Display brightness | 500 |
| Pixel density | 156 |
| RGB colour space | sRGB |
| Colour gamut | 100 |
| Low Blue Light technology | Yes |
| Display response rise/fall | 24 |
| Maximum refresh rate | 120 |
| Contrast ratio (typical) | 2000:1 |
| Processor | |
| Processor manufacturer | Intel |
| Processor family | Intel Core Ultra 7 |
| Processor generation | Intel Core Ultra (Series 2) |
| Processor model | 255H |
| Processor cores | 16 |
| Processor threads | 16 |
| Processor boost frequency | 5.1 |
| Performance cores | 6 |
| Efficient cores | 8 |
| Low Power Efficient-cores | 2 |
| Performance-core Max Turbo Frequency | 5.1 |
| Efficient-core Max Turbo Frequency | 4.4 |
| Low Power Efficient-core Max Turbo Frequency | 2.5 |
| Performance-core base frequency | 2 |
| Efficient-core base frequency | 1.5 |
| Low Power Efficient-core Base Frequency | 700 |
| Processor cache | 24 |
| Processor base power | 28 |
| Maximum turbo power | 115 |
| 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 |
| NPU performance up to | 13 |
| GPU performance up to | 74 |
| Memory | |
| Internal memory | 32 |
| Internal memory type | LPDDR5x-SDRAM |
| Memory form factor | On-board |
| Maximum internal memory | 32 |
| Memory channels | Dual-channel |
| Memory data transfer rate | 8400 |
| Storage | |
| Total storage capacity | 1000 |
| Storage media | SSD |
| Total SSDs capacity | 1000 |
| Number of SSDs installed | 1 |
| SSD capacity | 1000 |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
| SSD form factor | M.2 |
| Optical drive type | No |
| Card reader integrated | Yes |
| Compatible memory cards | MicroSD (TransFlash),MicroSDHC,MicroSDXC |
| Graphics | |
| Discrete GPU manufacturer | NVIDIA |
| Discrete graphics card model | NVIDIA GeForce RTX 4050 |
| Discrete graphics card memory | 6 |
| Discrete graphics memory type | GDDR6 |
| On-board graphics card | Yes |
| On-board GPU manufacturer | Intel |
| Discrete graphics card | Yes |
| On-board graphics card family | Intel Arc Graphics |
| On-board graphics card model | Intel Arc 140T |
| Audio | |
| Audio chip | Cirrus Logic CS42L43 |
| Audio system | MaxxAudio Pro |
| Number of built-in speakers | 4 |
| Speakers manufacturer | Waves |
| Speaker power | 2.5 |
| Built-in microphone | Yes |
| Number of microphones | 2 |
| Camera | |
| Front camera | Yes |
| Front camera resolution (numeric) | 2.07 |
| Front camera resolution | 1920 x 1080 |
| Front camera HD type | Full HD |
| Video capturing speed | 30 |
| Infrared (IR) camera | Yes |
| Network | |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| 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) |
| Mobile network connection | No |
| Wi-Fi band | Tri-band (2.4 GHz / 5 GHz / 6 GHz) |
| Wi-Fi data rate (max) | 5800 |
| Antenna type | 2x2 |
| WLAN controller model | Intel Wi-Fi 7 BE201 |
| WLAN controller manufacturer | Intel |
| Bluetooth | Yes |
| Ports & interfaces | |
| Thunderbolt 4 ports quantity | 3 |
| Intel® Thunderbolt 4 | Yes |
| Combo headphone/mic port | Yes |
| USB Type-C DisplayPort Alternate Mode | 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 |
| Processor special features | |
| Intel® Evo™ Platform Verified | Yes |
| Battery | |
| Battery technology | Lithium Polymer (LiPo) |
| Number of battery cells | 6 |
| Battery capacity | 70 |
| Battery voltage | 11.7 |
| Battery recharge time | 2 |
| Fast charging | Yes |
| Battery weight | 270 |
| Power | |
| AC adapter power | 100 |
| AC adapter frequency | 50 - 60 |
| AC adapter input voltage | 100 - 240 |
| USB Type-C charging port | Yes |
| USB Type-C required charging power (min) | 45 |
| USB Type-C required charging power (max) | 100 |
| USB Power Delivery (USB PD) | Yes |
| Security | |
| Fingerprint reader | Yes |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 35 |
| Storage temperature (T-T) | -40 - 65 |
| Operating relative humidity (H-H) | 10 - 90 |
| Storage relative humidity (H-H) | 0 - 95 |
| Operating altitude | -15.2 - 3048 |
| Non-operating altitude | -15.2 - 10668 |
| Operating shock | 110 |
| Non-operating shock | 160 |
| Operating vibration | 0.66 |
| Non-operating vibration | 1.3 |
| Weight & dimensions | |
| Width | 320 |
| Depth | 215.97 |
| Height (front) | 6.7 |
| Height (rear) | 18.02 |
| Packaging content | |
| AC adapter included | Yes |
Delivery Options
Economy Delivery (UK)
Business Express
A perfect balance of performance and mobility in an iconic design. Powered by AI-capable Intel® Core™ processors and up to NVIDIA© GeForce RTX ™ 4050 graphics.
| Design | |
| Product type | Notebook |
| Product colour | Platinum |
| Form factor | Clamshell |
| Market positioning | Premium |
| Display | |
| Display diagonal | 14.5 |
| Display resolution | 1920 x 1200 |
| Touchscreen | No |
| HD type | WUXGA |
| Panel type | IPS |
| Native aspect ratio | 16:10 |
| Anti-glare screen | Yes |
| Display bezel technology | InfinityEdge |
| Display brightness | 500 |
| Pixel density | 156 |
| RGB colour space | sRGB |
| Colour gamut | 100 |
| Low Blue Light technology | Yes |
| Display response rise/fall | 24 |
| Maximum refresh rate | 120 |
| Contrast ratio (typical) | 2000:1 |
| Processor | |
| Processor manufacturer | Intel |
| Processor family | Intel Core Ultra 7 |
| Processor generation | Intel Core Ultra (Series 2) |
| Processor model | 255H |
| Processor cores | 16 |
| Processor threads | 16 |
| Processor boost frequency | 5.1 |
| Performance cores | 6 |
| Efficient cores | 8 |
| Low Power Efficient-cores | 2 |
| Performance-core Max Turbo Frequency | 5.1 |
| Efficient-core Max Turbo Frequency | 4.4 |
| Low Power Efficient-core Max Turbo Frequency | 2.5 |
| Performance-core base frequency | 2 |
| Efficient-core base frequency | 1.5 |
| Low Power Efficient-core Base Frequency | 700 |
| Processor cache | 24 |
| Processor base power | 28 |
| Maximum turbo power | 115 |
| 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 |
| NPU performance up to | 13 |
| GPU performance up to | 74 |
| Memory | |
| Internal memory | 32 |
| Internal memory type | LPDDR5x-SDRAM |
| Memory form factor | On-board |
| Maximum internal memory | 32 |
| Memory channels | Dual-channel |
| Memory data transfer rate | 8400 |
| Storage | |
| Total storage capacity | 1000 |
| Storage media | SSD |
| Total SSDs capacity | 1000 |
| Number of SSDs installed | 1 |
| SSD capacity | 1000 |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
| SSD form factor | M.2 |
| Optical drive type | No |
| Card reader integrated | Yes |
| Compatible memory cards | MicroSD (TransFlash),MicroSDHC,MicroSDXC |
| Graphics | |
| Discrete GPU manufacturer | NVIDIA |
| Discrete graphics card model | NVIDIA GeForce RTX 4050 |
| Discrete graphics card memory | 6 |
| Discrete graphics memory type | GDDR6 |
| On-board graphics card | Yes |
| On-board GPU manufacturer | Intel |
| Discrete graphics card | Yes |
| On-board graphics card family | Intel Arc Graphics |
| On-board graphics card model | Intel Arc 140T |
| Audio | |
| Audio chip | Cirrus Logic CS42L43 |
| Audio system | MaxxAudio Pro |
| Number of built-in speakers | 4 |
| Speakers manufacturer | Waves |
| Speaker power | 2.5 |
| Built-in microphone | Yes |
| Number of microphones | 2 |
| Camera | |
| Front camera | Yes |
| Front camera resolution (numeric) | 2.07 |
| Front camera resolution | 1920 x 1080 |
| Front camera HD type | Full HD |
| Video capturing speed | 30 |
| Infrared (IR) camera | Yes |
| Network | |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| 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) |
| Mobile network connection | No |
| Wi-Fi band | Tri-band (2.4 GHz / 5 GHz / 6 GHz) |
| Wi-Fi data rate (max) | 5800 |
| Antenna type | 2x2 |
| WLAN controller model | Intel Wi-Fi 7 BE201 |
| WLAN controller manufacturer | Intel |
| Bluetooth | Yes |
| Ports & interfaces | |
| Thunderbolt 4 ports quantity | 3 |
| Intel® Thunderbolt 4 | Yes |
| Combo headphone/mic port | Yes |
| USB Type-C DisplayPort Alternate Mode | 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 |
| Processor special features | |
| Intel® Evo™ Platform Verified | Yes |
| Battery | |
| Battery technology | Lithium Polymer (LiPo) |
| Number of battery cells | 6 |
| Battery capacity | 70 |
| Battery voltage | 11.7 |
| Battery recharge time | 2 |
| Fast charging | Yes |
| Battery weight | 270 |
| Power | |
| AC adapter power | 100 |
| AC adapter frequency | 50 - 60 |
| AC adapter input voltage | 100 - 240 |
| USB Type-C charging port | Yes |
| USB Type-C required charging power (min) | 45 |
| USB Type-C required charging power (max) | 100 |
| USB Power Delivery (USB PD) | Yes |
| Security | |
| Fingerprint reader | Yes |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 35 |
| Storage temperature (T-T) | -40 - 65 |
| Operating relative humidity (H-H) | 10 - 90 |
| Storage relative humidity (H-H) | 0 - 95 |
| Operating altitude | -15.2 - 3048 |
| Non-operating altitude | -15.2 - 10668 |
| Operating shock | 110 |
| Non-operating shock | 160 |
| Operating vibration | 0.66 |
| Non-operating vibration | 1.3 |
| Weight & dimensions | |
| Width | 320 |
| Depth | 215.97 |
| Height (front) | 6.7 |
| Height (rear) | 18.02 |
| Packaging content | |
| AC adapter included | Yes |
Buykingston order despatch times:
We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.
These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).
We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.
Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.
Despatch times do not apply to UK public holidays.
Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.
Our warehouse reserves the right to upgrade the delivery method you select on your order.
Our available delivery options*
Contact us for a shipping quote.
*All delivery times are estimated unless stated.
Product Returns Note
Buykingston offers a very flexible and hassle free returns policy. If
for whatever reason you are not happy with the item purchased you can return
it to us within 12months for a refund (for unused and unopened
items) or within 30 days on opened and used items for a refund. This
applies to items purchased direct through Buykingston only.
Our 30 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items opened and used and that are returned in a resellable
condition.
Our 365 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items that remain sealed and unused.
Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;
- Headphones
- Earphones
- Custom made and designed products such as flash memory products with
custom logo’s on them. E,g USB flash drives and memory cards with your own
logo
Returns FAQs
What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on
non tracked items.
On unopened items 365 days.
How do i go about returning my order?
Please contact us via our contact page with
your order number where we will present you with an RMA number and returns
label.
Do i need to contact you before returning my order?
Yes, to obtain an RMA number.
Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365
day returns. Of course for faulty items we realise you may no longer have
the packaging.
Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer
direct for assistance.
Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.