Search query: ideally something with 8gb of ram, probably a windows laptop around £400 as in my experience that's what you can rely on and macs are too expensive.

Product: Lenovo Chromebook C330 2-in-1 Convertible Laptop, 11.6-Inch HD (1366 x 768) IPS Display, MediaTek MT8173C Processor, 4GB LPDDR3, 64 GB eMMC, Chrome OS, 81HY0000US, Blizzard White
Brand: Lenovo
Color: Blizzard White
Relevance: Substitute
Get high performance when you need it – The Chromebook C330 boots up in seconds and features easy-to-use Chrome OS, plenty of memory and storage, and so much more
Sleek, stylish, and secure, this 360⁰ convertible laptop is less than 1-inch thin and about the weight of a hardback book, with an 11-inch touchscreen display that's perfect for day-to-day computing and multimedia, on or offline
The Lenovo Chromebook C330 is easy to use, offers built-in virus protection and keeps going with long battery life. No setup needed – Just login with a Google account so emails, maps, documents, and photos stay with you via cloud storage
Built to connect, this notebook computer includes a variety of USB ports for effortless connectivity. Plus, stay in touch with the built-in camera. Bluetooth 4.2
Users love it; "High end features for a low price," says one happy reviewer. Another adds, "This Chromebook has far exceeded my expectations. The speed is snappy and the device responds quickly to gestures and commands."

Product: Dell Latitude E6440 14in Laptop, Core i5-4300M 2.6GHz, 8GB Ram, 256GB SSD, DVDRW, Windows 10 Pro 64bit (Renewed)
Brand: Dell
Relevance: Exact
This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.
(4) USB 3.0
Global Headset Jack, Docking Connector, VGA, HDMI, RJ-45
AC Adapter Included

Product: HP EliteBook 840 G2 14in Laptop, Core i5-5300U 2.3GHz, 16GB Ram, 256GB SSD, Windows 10 Pro 64bit, Webcam (Renewed)
Brand: HP
Color: Silver
Relevance: Exact
840 G2. Product Name: EliteBook 840 G2 Notebook. Product Condition: Refurbished. Product Type: Notebook. [Processor & Chipset] Processor Manufacturer: Intel. Processor Type: Core i5. Processor Generation: 5th Gen. Processor Model: i5-5300U. Processor Speed: 2.30 GHz. Processor Core: Dual-core (2 Core). [Memory] Standard Memory: 16 GB. [Storage] Solid State Drive Capacity: 256 GB. [Display & Graphics] Screen Size: 14". [Software] Operating System Platform: Windows. Operating System: Windows 10. [Physical Characteristics] Color: Black. [Miscellaneous] Package Contents: EliteBook 840 G2 Notebook Standard Battery AC Adapter
TAKE CHARGE AND ACCOMPLISH ANY TASK - Powered by a zippy Intel Core i5-5300U CPU @ 2.30GHz and 16GB RAM, get through your day with ease and speed.