Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient
Brand Dell
From
£858.44
Free delivery
You save £223.20 (21%)
3 offers at 3 retailers
Listed since 12 May 2026
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Description
Specifications
| Display diagonal | 60.5 cm (23.8") |
| Display resolution | 1920 x 1080 pixels |
| Touchscreen | No |
| HD type | Full HD |
| Native aspect ratio | 16:9 |
| Display brightness | 250 cd/m² |
| Panel type | IPS |
| Pixel pitch | 0.27 x 0.27 mm |
| Pixel density | 92 ppi |
| RGB colour space | sRGB |
| Anti-glare screen | Yes |
| Colour gamut | 99% |
| Processor manufacturer | Intel |
| Processor family | Intel® Core™ i5 |
| Processor generation | Intel® Core™ i5 (14th gen) |
| Processor model | i5-14500T |
| Processor cores | 14 |
| Processor threads | 20 |
| Processor boost frequency | 4.8 GHz |
| Performance cores | 6 |
| Efficient cores | 8 |
| Performance-core Max Turbo Frequency | 4.8 GHz |
| Efficient-core Max Turbo Frequency | 3.4 GHz |
| Performance-core base frequency | 1.7 GHz |
| Efficient-core base frequency | 1.2 GHz |
| Processor cache | 24 MB |
| Processor cache type | Smart Cache |
| Processor base power | 35 W |
| Maximum turbo power | 92 W |
| Internal memory | 16 GB |
| Internal memory type | DDR5-SDRAM |
| Maximum internal memory | 64 GB |
| Memory slots | 2 |
| Memory slots type | SO-DIMM |
| Memory layout (slots x size) | 1 x 16 GB |
| Memory form factor | DIMM/SO-DIMM |
| Total storage capacity | 512 GB |
| Storage media | SSD |
| Number of storage drives installed | 1 |
| Total SSDs capacity | 512 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 512 GB |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
| SSD form factor | M.2 |
| SSD performance class | 35 |
| M.2 SSD size | 2230 (22 x 30 mm) |
| Optical drive type | No |
| Card reader integrated | Yes |
| Compatible memory cards | SD, SDHC, SDXC |
| Discrete graphics card | No |
| Discrete graphics card model | Not available |
| On-board graphics card | Yes |
| On-board GPU manufacturer | Intel |
| On-board graphics card family | Intel® UHD Graphics |
| On-board graphics card model | Intel UHD Graphics 770 |
| Maximum on-board graphics card resolution | 7680 x 4320 pixels |
| Built-in speaker(s) | Yes |
| Number of speakers | 2 |
| RMS rated power | 4 W |
| Built-in microphone | Yes |
| Audio chip | Realtek ALC3246 |
| Built-in camera | Yes |
| Total megapixels | 2.07 MP |
| Camera resolution | 1920 x 1080 pixels |
| Camera HD type | Full HD |
| Privacy camera | Yes |
| Privacy type | Pop-up |
| Wi-Fi | Yes |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Wi-Fi standards | 802.11a, 802.11g, Wi-Fi 5 (802.11ac), Wi-Fi 6E (802.11ax), 802.11b, Wi-Fi 4 (802.11n) |
| WLAN controller manufacturer | Intel |
| WLAN controller model | Intel Wi-Fi 6E AX211 |
| Antenna type | 2x2 |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Bluetooth | Yes |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| 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 |
| DisplayPorts quantity | 1 |
| Headphone outputs | 1 |
| Combo headphone/mic port | Yes |
| Product colour | Grey |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| VESA mounting | Yes |
| On/off button | Yes |
| Product type | All-in-One PC |
| Motherboard chipset | Intel Q670 |
| Trusted Platform Module (TPM) | Yes |
| Trusted Platform Module (TPM) version | 2.0 |
| Operating system architecture | 64-bit |
| Operating system language | German, Dutch, English, French, Italian |
| Operating system installed | Windows 11 Pro |
| Pre-installed software | Activate Your Microsoft 365 For A 30 Day Trial |
| AC adapter power | 130 W |
| AC adapter output voltage | 19.5 V |
| Total carbon footprint (kg of CO2e) | 355 |
| Total carbon emissions, standard deviation (kg of CO2e) | 93 |
| Carbon emissions, manufacturing (kg of CO2e) | 193.475 |
| Carbon emissions, logistics (kg of CO2e) | 48.99 |
| Carbon emissions, energy usage (kg of CO2e) | 112.535 |
| PAIA version | 1.4.0,2024 |
| Width (with stand) | 540 mm |
| Width (without stand) | 540 mm |
| Depth (without stand) | 57.9 mm |
| Height (without stand) | 354.3 mm |
| Sustainability compliance | Yes |
| Sustainability certificates | ENERGY STAR, TCO |
| Input device model | Dell Pro Wireless Keyboard and Mouse - KM5221W - UK (QWERTY) - Black |
| Cables included | AC |
| Stand type | Height adjustable stand |
| Intel® vPro™ Platform Eligibility | Yes |
Full specifications
| Marque | Dell |
| Référence fabricant | dycn8 |
| EAN | 5397184852088 |
Overview of the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient
The Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient is one of the most searched products in the Périphériques informatiques category in 2026. Offered by Dell, it is aimed at those looking for a reliable product at the best price. Our comparison tool lists all available offers from partner retailers to help you make the right choice without overspending. Comparison is free and requires no registration. In a few seconds, you can access all current offers to find the most competitive price.
What makes the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient stand out in 2026
This product stands out for the build quality that is characteristic of the Dell brand. Users particularly appreciate its reliability in daily use and how easy it is to get started right from the first use. The design, intended for regular use, ensures satisfying durability, and the balance between the features offered and the asking price is well received by buyers. Dell has a strong reputation in the Périphériques informatiques category, which makes it easy to access after-sales service and the manufacturer warranty when needed. You can also compare with the Dell Alienware AW2725DF 27" QD-OLED Quad HD 360Hz 0.03ms Freesync Height Adjustable Gaming Monitor to refine your choice.
Performance and key features
In the Périphériques informatiques category, buyers pay close attention to declared performance and build quality. The Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient meets these expectations with technical specifications that reflect Dell's positioning on this segment. The key features, available in the spec sheet on this page, allow you to verify this product matches your needs before finalising your purchase. Also compare with the Dell Alienware AW2725DF 27" QD-OLED Quad HD 360Hz 0.03ms Freesync Height Adjustable Gaming Monitor from the same brand to refine your decision.
Design and ease of use
The Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient is generally described as intuitive by users in the Périphériques informatiques category. Dell designed this product to be accessible from the first use, whether you are a beginner or an experienced user in this range.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 2470 £ |
| Mid-range | 2470 £ to 5770 £ |
| High-end | Over 5770 £ |
To find the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient at the best price today, compare all available offers on Compiral. Our comparison tool updates prices several times a day to ensure you get the lowest rate from our partner retailers. Remember to activate the free delivery filter to reduce the total cost of your purchase. Also check the estimated delivery time at each retailer, which can vary considerably from one shop to another.
Frequently asked questions about Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient
Is the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient worth its price in 2026?
In 2026, the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient is listed from £858.44 at our partner retailers. This price is consistent with the positioning of Dell in the Périphériques informatiques category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
What warranty does the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient come with?
The Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from Dell, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.
Is the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient in stock?
Stock availability for the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Périphériques informatiques category.
Where can I buy the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient at the best price?
To buy the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient at the best price, compare all available offers in our table at the top of this page. The 3 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.
How does the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient compare to competitors in the Périphériques informatiques category?
In the Périphériques informatiques category, the Dell OptiPlex 7420 i5 16GB RAM 512GB SSD 23.8" AIO PC - Windows 11 Pro, Dell Optimizer, Energy Efficient occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
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