The lightest laptop in our catalogue — under 800g
The refurbished Fujitsu LIFEBOOK Q665 is one of the most remarkable ultraportable laptops ever built — an 11-inch business device that weighs under 800g, making it lighter than most tablets with a keyboard. This certified refurbished Fujitsu LIFEBOOK Q665 is the choice for professionals, students and frequent travellers who prioritise carrying comfort above all else without giving up a full laptop experience.
Powered by an Intel Core M-5Y10 processor with 4GB RAM and a 128GB SSD, the refurbished Fujitsu LIFEBOOK Q665 handles everyday computing tasks smoothly while consuming minimal power — contributing to excellent battery life and a completely fanless, silent operation.
Key specifications
- Brand: Fujitsu
- Model: LIFEBOOK Q665
- Screen: 11 inch Full HD (1920×1080)
- Processor: Intel Core M-5Y10 (fanless, dual-core, up to 2.0GHz)
- RAM: 4GB DDR3
- Storage: 128GB SSD
- Graphics: Intel HD Graphics 5300
- Operating system: Windows 11
- Ports: USB 3.0, USB-C, HDMI, SD card reader, 3.5mm jack
- Connectivity: Wi-Fi, Bluetooth
- Weight: Under 800g
- Condition: A-grade certified refurbished
- Warranty: 14 months
Under 800g — genuinely ultralight
The defining feature of the refurbished Fujitsu LIFEBOOK Q665 is its weight. At under 800g it is lighter than most 10-inch tablets, yet it is a full-featured laptop with a proper keyboard, standard ports and a full operating system. For anyone who has carried a heavier laptop daily and felt the burden, the Q665 is a revelation. Slipping it into a bag is like not carrying a laptop at all.
The slim 11-inch form factor means it fits in any bag, backpack or even a large handbag without taking up significant space. For commuters, conference attendees and students who move between locations throughout the day, the refurbished Fujitsu LIFEBOOK Q665 removes the friction of carrying a laptop entirely.
Fanless and silent — the Core M advantage
The Intel Core M-5Y10 is a fanless processor — meaning this laptop operates in complete silence. There are no fans to spin up under load, no noise during use and no mechanical components to fail over time. Fanless design also contributes to better thermal efficiency, longer battery life and a slimmer chassis profile.
Performance-wise, the Core M handles all standard everyday tasks — web browsing, email, documents, video calls, streaming and light office work — without complaint. It is not a machine for heavy creative work or demanding applications, but for the everyday productivity tasks that most users spend the majority of their time on, it is perfectly capable.
The 128GB SSD ensures fast boot times and responsive everyday performance. Combined with the efficient Core M processor, the Q665 delivers a snappy, modern feel that makes day-to-day use pleasant and fluid.
Fujitsu business quality
Fujitsu’s LIFEBOOK range is built to the same exacting standards as Lenovo’s ThinkPad and HP’s EliteBook — designed for corporate environments that demand reliability, longevity and build quality. The Q665 features a solid magnesium alloy chassis that belies its featherweight dimensions. Despite its minimal weight, it does not flex or creak. According to NotebookCheck’s independent review, the Q665 earns strong marks for its extraordinary portability and premium build quality.
Certified refurbished by Technology Core
Every laptop sold by Technology Core passes a rigorous 30-point quality check — battery, screen, keyboard, all ports, storage and overall condition. Only units that pass every check are listed. This refurbished Fujitsu LIFEBOOK Q665 is graded A-grade — minimal to no visible signs of previous use.
Every purchase includes a 14-month warranty and a 28-day return policy. Free next-day delivery across the UK on all orders placed before 2pm.
Who is this laptop best suited for?
- Commuters and frequent travellers who want the lightest laptop possible
- Users who carry a laptop all day and feel the weight
- Anyone who needs a silent, fanless machine for quiet environments
- A secondary ultra-light device alongside a more powerful main machine
Also worth considering
For other compact options browse our laptops under £150. For slightly larger ultraportables see our refurbished Lenovo ThinkPad range including X-series models. Any questions? Get in touch.
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