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Obsidian Black 15.6 inch LG Gram laptop closed lid

LG Electronics

LG Electronics 15Z90S-V.APB5U1 laptop Core Ultra 7 155H 16 GB 512 GB

SKU CH-KMHP-GPV9N MPN 15Z90S-V.APB5U1

A 15.6" FHD IPS notebook with Core Ultra 7 155H, 16 GB DDR5, 512 GB SSD, Arc graphics and 72 Wh battery

  • ColorObsidian Black
  • Operating SystemWindows 11 Pro
  • CPU TypeIntel Core Ultra 7 (Series 1)
  • Processor NameIntel Core Ultra 7 155H
  • Turbo Frequency4.80 GHz
  • Screen Size15.6"
  • Lightweight 2.8 lbs design for easy mobility
  • Intel Core Ultra 7 155H up to 4.80 GHz for responsive performance
  • 16 GB DDR5 6400 memory for smooth multitasking
  • 512 GB SSD storage for fast file access
  • Thunderbolt 4 USB-C enables versatile connectivity

Lightweight 15.6-inch notebook for mobile

The LG Gram 15Z90S-V weighs 2.8 lbs and runs Windows 11 Pro on an Intel Core Ultra 7 155H processor with 16 GB of DDR5 6400 memory and a 512 GB SSD. Its 15.6-inch FHD IPS panel delivers a 1920 x 1080 resolution at 60 Hz. Integrated Intel Arc graphics handle everyday visual tasks without a discrete card.

Thunderbolt 4 and 72 Wh battery extend work sessions

Two USB Type-C ports support Thunderbolt 4 and Power Delivery so you can charge the 72 Wh battery or drive external displays from a single cable. IEEE 802.11ax wireless keeps the connection stable in busy offices. The Obsidian Black chassis includes a webcam for video calls.

16 GB soldered DDR5 6400 cannot be upgraded

Memory is fixed at 16 GB with no expansion slots, so buyers who need more RAM for heavy multitasking or virtual machines should choose a different model. The 512 GB SSD provides the only internal storage.

Highlights

  • Lightweight 2.8 lbs design for easy mobility
  • Intel Core Ultra 7 155H up to 4.80 GHz for responsive performance
  • 16 GB DDR5 6400 memory for smooth multitasking
  • 512 GB SSD storage for fast file access
  • Thunderbolt 4 USB-C enables versatile connectivity

Specifications

BrandLG
SeriesGram
Model15Z90S-V
Part Number15Z90S-V.APB5U1
ColorObsidian Black
Operating SystemWindows 11 Pro
CPU TypeIntel Core Ultra 7 (Series 1)
Processor NameIntel Core Ultra 7 155H
Turbo Frequency4.80 GHz
Screen Size15.6"
TouchscreenNon-Touch Screen
Display TypeFHD
Resolution1920 x 1080
PanelIPS
Refresh Rate60 Hz
GPU/VPUIntel Arc Graphics
Graphic TypeIntegrated Card
SSD512GB
Memory16GB
Memory SpeedDDR5 6400
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6E
BluetoothYes
USBNumber of HDMI Outputs:
1
Number of USB4 Ports:
1
Number of USB 3.2 Gen 1 Type-A Ports:
2
Number of USB 3.2 Gen 2 Type-C Ports:
1
Number of USB 3.2 Gen 2x2 Type-C Ports:
1
HDMI1 x HDMI
WebcamYes
TypeHome / Personal
BatteryBattery Chemistry:
Lithium Ion (Li-Ion)
Battery Energy:
72 Wh
Dimensions (W x D x H)Height:
8.80"
Width:
14"
Depth:
0.7"
Weight2.84 lb
Software IncludedLG Update & Recovery
Intel® Unision
McAfee Live Safe 30 Days Trial
LG Smart Assistant 2.0
LG Lively Theme (Wall-paper/ icon)
LG Display Extension
LG Security Guard
Microsoft 365 30 Days Trial
LG Glance by Mirametrix®
Pcmover Professional
LG On Screen Display 3
LG PC Manuals
Sync on Mobile
New Wall paper
Intel® Connectivity Performance Suite
Package Contentgram 15Z90S-V.APB5U1 Notebook
Lithium Ion Battery
AC Adapter
2 pole with external C to C 1.8m/3A cable White/Black (Wall-mount 'I' type for US/CA/JP/TW)
Shipping weight2.22 kg
Package size503 × 315 × 66 mm

Questions about this item

Can the 16 GB DDR5 6400 memory be upgraded or replaced later?

The 16 GB DDR5 6400 memory is soldered and cannot be upgraded or replaced.

What limits sustained performance of the Core Ultra 7 155H and Intel Arc graphics?

The 72 Wh battery and lightweight thermal design throttle the CPU and integrated Arc graphics under prolonged loads.

How loud and hot does the laptop get when running all day on the 72 Wh battery?

Fan noise stays low at idle but rises noticeably under load; surface temperatures climb around the keyboard deck during extended use.

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