Anything from 22" and larger will be fine. For sale are these fully functional, refurbished LCD flatscreen monitors. Available in 15", 17", 19", 20", 22", 23", 24" sizes and supplied with an HDMI adapter.
eBay
UPERFECT 18.4 Inch 4K Portable Monitor Gaming PC Displays IPS HDR Laptop TV External Second Screen With VESA Stand Type-C HDMI
Aliexpress UK
DELL P2317H. HDMI DP VGA GRADE A 23" Widescreen.
eBay
Anmite 11.6 Inch Portable Monitor HDMI-Compatible Laptop second screen Gaming Extended Display For Switch/PS4/Xbox/Raspberry Pi
Aliexpress UK
It features two video inputs - DisplayPort and HDMI Standard - for seamless connectivity to various devices.
eBay
24/27 Inch Curved 75Hz Monitor Gaming MVA FHD 1080P Computer Display 2800R HDMI/VGA DCR Eye Protect VESA 100*100 2ms Response
Aliexpress UK
The ASUS VC239H is a 23" Full HD (1920×1080) 60Hz IPS monitor featuring vibrant colours, wide 178° viewing angles and a smooth 5 ms response time. With TÜV-certified Flicker‑Free and Low Blue Light technology, it reduces eye strain, while the anti‑glare panel and frameless design enhance viewing comfort and aesthetics. It includes handy features like GamePlus (crosshair/timer overlay), VividPixel image-enhancement, and QuickFit for on‑screen document previews. Built-in 1.5 W stereo speakers add extra convenience, and connectivity options include HDMI, DVI‑D, VGA, plus a Kensington lock and VESA mount for flexible setup.
eBay
ARZOPA 16.1 inch 100% sRGB 144Hz Portable Monitor Gaming Laptop Display with Type C Mini HDMI For PS/Steam/Deck/Switch/PC/Mac
Aliexpress UK
Used monitor but works absolutely fine. From Curry’s business; 1ms response time Full 1080p, 1920x1080 HDMI, DVI-D, VGA (D-Sub) From pet free, smoke free home Includes power cable but not HDMI cable
eBay
32" IPS 4K 60Hz Cruved Monitor LED Display UHD HDR400 Desktop Gaming Computer Screen HDMI-compatible/DP/Audio/Type-C 3840*2160
Aliexpress UK
Get the upper hand in fast-paced titles and make your way to the top of the scoreboard. This 27" ADX monitor gives you a solid screen estate which is great for spotting opponents across the map. Input: HDMI / DisplayPort.
eBay
14inch Portable monitor IPS Panel Screen USB Type C HDMI-Compatible Gaming Extended Display With Stand For Laptop/Switch
Aliexpress UK
Model: MSI Optix MAG274UPF. MSI Optix MAG274UPF monitor. Genuine MSI power adapter. Inputs: 2x HDMI, 1x DisplayPort, 1x USB-C (DP Alt Mode). HDMI cable (if you have it). Excellent condition – screen is clean, stand and body have only minimal marks.
eBay
Anmite 11.6 Inch Portable Monitor HDMI For Switch/PS4/Xbox/Raspberry Pi Compatible Laptop second screen Gaming Extended Display
Aliexpress UK
The MSI Gaming Monitor 24-inch with a 100Hz refresh rate is designed specifically for gaming enthusiasts. Featuring a 24-inch LCD display with a maximum resolution of 1920 x 1080, it offers crisp and vibrant visuals for an immersive gaming experience. With a response time of 1ms and a contrast ratio of 1000:1, this monitor delivers sharp and clear images to ensure that every detail is visible. The monitor also has HDMI standard inputs for connectivity and a sleek black design, making it a stylish addition to any gaming setup. Overall, this MSI monitor is a great choice for gamers looking for high performance and visual clarity.
eBay
HGFRTEE 15.6 inch Portable Monitor 60Hz 1080P with HDMI USB-C Gaming Screen Extended Display for PC Laptop Mac Switch Xbox PS4/5
Aliexpress UK