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LG UltraFine 5K 27MD5KL-B

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At a glance

Key facts

Diagonal Size
27"
Resolution
5120x2880
Panel / Backlight
LCD · IPS · WLED
Aspect Ratio
16:9
USB-C Power Delivery
94 W

Buying advice

The UltraFine 5K remains a highly integrated Mac display for buyers who prioritize Retina-class text, P3 color, a single Thunderbolt cable, camera and speakers. Its Mac-first controls and lack of HDMI or DisplayPort make it a poor fit for mixed-platform desks.

Available specifications

46 fields · 10 unavailable fields

PHYSICAL SCALE

PHYSICAL SIZE
597.73 × 336.22 mm

RELEASE / IDENTITY

Release Date
2019
Brand
LG
Series
UltraFine
Model
27MD5KL-B

SCREEN

Active Screen Area
597.73 × 336.22 mm
Diagonal Size
27"
Resolution
5120x2880
Aspect Ratio
16:9
Pixel Density
217.6 ppi
PPI / PIXEL PITCH

Visual insight

Pixel density / PPI

Fixed 50–300 PPI axis. Pixel-pitch samples are symbolic and not physical pixels.

LG UltraFine 5K 27MD5KL-B
217.6 ppiPixel pitch 116.7 µm
Panel / Backlight
LCD · IPS · WLED
Screen Shape
Flat

MOTION

Refresh Rate
60 Hz
VRR Range
-
Adaptive Sync
Not supported
Official Response
14 ms · GtG

HDR & COLOR

HDR Formats
-
HDR Certifications
-
HDR CAPABILITY

Visual insight

HDR capability

Five fixed axes: 2,000 nits linear; 1,500,000:1 and 2,304 zones logarithmic; 4 formats; 6–12 bit. Missing axes stay open, not zero.

LG UltraFine 5K 27MD5KL-B
—Unsupported
Peak brightness-
Contrast1,100:1 · claimed
Dimming-
HDR formatsUnsupported
Color depth10-bit
Claimed typical500 nits
Claimed peak-
Measured peak-
Local dimmingUnknownZone count -
Claimed Brightness
Typical 500 nits
Claimed Contrast
1,100:1
Local Dimming
-
Color Coverage
DCI-P3 99%
COLOR GAMUT COVERAGE

Visual insight

Color gamut coverage

Coverage bars use a fixed 0–100% axis. They do not depict CIE geometry, gamut shape, or overlap.

LG UltraFine 5K 27MD5KL-B
sRGB-
DCI-P399%
Adobe RGB-
Color Depth
10-bit · 1.07 billion colors

CONNECTIVITY

PORT MAP

Visual insight

Ports and hub features

Icons use structured counts, versions, capabilities, and booleans. Unsupported and unknown remain distinct.

LG UltraFine 5K 27MD5KL-B
HDMIUnknown?
DisplayPortUnknown?
USB-C3× · 94 W PDThunderbolt 3 DisplayPort · USB data · 94W power delivery✓
Thunderbolt1× · v3✓
USB hubSupported✓
EthernetUnsupported—
AudioUnsupported—
KVMUnsupported—
HDMI
-
DisplayPort
-
USB-C
3 ports
Thunderbolt
1 ports · 3
USB-C Capabilities
Thunderbolt 3 DisplayPort / USB data / 94W power delivery
USB-C Power Delivery
94 W
Hub / KVM / Ethernet
USB hub Yes · KVM No · Ethernet No
Audio / Speakers
Audio out No · Speakers Yes

ERGONOMICS

ERGONOMIC CAPABILITIES

Visual insight

Ergonomics

Adjustment ranges, known stand capabilities and VESA dimensions are shown. Unspecified directions remain unknown.

LG UltraFine 5K 27MD5KL-B
Height110 mm✓
TiltUnknown?
SwivelUnknown?
PivotUnknown?
VESA100 × 100 mm✓
Stand
Stand included · height/tilt adjustable
Height Adjustment
110 mm
Tilt
-
Swivel
-
Pivot
-
VESA Mount
100 × 100 mm

BODY & POWER

Body Dimensions
625.6 × 375.1 × 53.8 mm
With-Stand Dimensions
W - · H 464.4–574.4 · D 239.9 mm
Weights
Without stand 6.4 kg · With stand 8.5 kg
Power Consumption
Typical 140 W · Maximum 200 W
Warranty
-

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