LG
LG 27U421A-B 27" Full HD 100Hz Monitor - Black
Best price incl. delivery
£94.94
£89.99 + £4.95 delivery
Prices range from £89.99 to £154.26 across 9 stores
9 stores
Screen27"
BrandLG
EAN8806096363218
Compare prices
About this product
LG 27U421A-B. Display diagonal: 68.6 cm (27"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Display technology: LED, Response time: 5 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. VESA mounting. Product colour: Black
Specifications
Power
AC input voltage100 - 240 V
Power supply typeExternal
AC input frequency50/60 Hz
Power consumption (off)0.3 W
Power consumption (typical)17 W
Design
Product colourBlack
Market positioningConsumer
Display
HD typeFull HD
Panel typeVA
Pixel pitch0.3114 x 0.3114 mm
TouchscreenN
Screen shapeCurved screen
Response time5 ms
Display diagonal27 "
Display resolution1920 x 1080 pixels
Display technologyLED
Native aspect ratio16:9
Maximum refresh rate100 Hz
Colour gamut standardsRGB
Screen curvature rating1500R
Viewing angle, vertical178 °
sRGB coverage (typical)99 %
Contrast ratio (typical)1000:1
Display diagonal (metric)68.5 cm
Display number of colours16.7 million colours
Viewing angle, horizontal178 °
Display brightness (typical)250 cd/m²
Response time measurement typeGTG (Gray to Gray)
High Dynamic Range (HDR) supportedY
High Dynamic Range (HDR) technologyHigh Dynamic Range 10 (HDR10)
Price History (Last 30 Days)
Lowest Price Ever
£94.94
Laptop Outlet · 28 Apr 2026
Highest Price
£154.26
GtechPro · 28 Apr 2026
No price changes recorded yet — we’ll show changes here as prices move.
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Frequently Asked Questions
What is the cheapest price for LG 27U421A-B 27" Full HD 100Hz Monitor - Black?
The cheapest price for LG 27U421A-B 27" Full HD 100Hz Monitor - Black is £94.94 (including delivery) from Box.co.uk.
How many stores sell LG 27U421A-B 27" Full HD 100Hz Monitor - Black?
We compare prices from 9 different UK stores to help you find the best deal for LG 27U421A-B 27" Full HD 100Hz Monitor - Black.
Does LG 27U421A-B 27" Full HD 100Hz Monitor - Black come with free delivery?
Yes! 7 of our partner stores offer free delivery on LG 27U421A-B 27" Full HD 100Hz Monitor - Black.
What is the price range for LG 27U421A-B 27" Full HD 100Hz Monitor - Black?
Prices for LG 27U421A-B 27" Full HD 100Hz Monitor - Black range from £89.99 to £154.26 across different retailers.
Independent price comparison·Prices updated regularly
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