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Obsidian black 17 inch touchscreen laptop closed, thin profile

LG Electronics

LG Gram 17Z90TL-H.AUB8U3 laptop 17.0" touchscreen Ultra 9-288V 32GB LPDDR5X 4TB PCIe SSD

SKU CH-4S7F-9XG3K

17-inch touchscreen laptop with Intel Ultra 9 processor, 32GB LPDDR5X memory and 4TB PCIe SSD storage

  • ColorBlack
  • Operating SystemWindows 11 Pro
  • CPU TypeUltra 9-288V
  • Turbo Frequency5.1 GHz
  • CPU L3 Cache12MB Cache
  • Screen Size17.0"
  • 0" WQXGA touchscreen shows crisp 2560x1600 detail
  • Ultra 9-288V reaches 5.1 GHz for demanding workloads
  • 32GB LPDDR5X memory keeps multitasking smooth
  • 4TB PCIe NVMe SSD stores large projects fast
  • 1lb chassis with 78 WHr battery enables all-day mobility

Who this laptop serves

The LG Gram 17Z90TL-H.AUB8U3 is a 17.0 inch touchscreen ultraportable running Windows 11 Pro. It targets mobile professionals and creators who need a large, high-resolution workspace without the bulk of traditional 17 inch machines. The 3.1 lb chassis makes it viable for daily carry, while the 32 GB LPDDR5X memory supports heavy multitasking and local AI workloads.

The specification that decides fit

The soldered 32 GB LPDDR5X memory cannot be upgraded after purchase, so buyers must be certain this capacity covers their working set for the device lifetime. The 4 TB PCIe NVMe SSD provides ample storage for large project files, but memory constraints are fixed at the factory. Choose this configuration only if 32 GB satisfies current and foreseeable demands.

Thermals, noise and power

A 65 W USB-C adapter charges the 78 Whr four-cell battery, which is sized for all-day productivity away from mains power. The integrated Intel Arc 140V graphics share the processor thermal envelope, keeping fan activity low during typical office and creative tasks. Sustained heavy loads will raise temperatures, but the slim 0.9 inch profile limits cooling capacity compared to thicker workstations.

Highlights

  • 0" WQXGA touchscreen shows crisp 2560x1600 detail
  • Ultra 9-288V reaches 5.1 GHz for demanding workloads
  • 32GB LPDDR5X memory keeps multitasking smooth
  • 4TB PCIe NVMe SSD stores large projects fast
  • 1lb chassis with 78 WHr battery enables all-day mobility

Specifications

BrandLG
SeriesGram
ColorBlack
Operating SystemWindows 11 Pro
CPU TypeUltra 9-288V
Turbo Frequency5.1 GHz
CPU L3 Cache12MB Cache
Screen Size17.0"
TouchscreenYes
Resolution2560x1600
GPU/VPUIntel Arc 140V
Graphic TypeIntegrated Card
SSD4TB
HDDNo
Storage Spec4TB PCIe SSD
Memory32GB
Memory SpeedLPDDR5X
Optical Drive TypeNo
WLAN802.11be
BluetoothBluetooth 5.4
HDMI1
Audio Ports1 x Headphone/Microphone Combo Jack
KeyboardStandard
Backlit KeyboardBacklit
WebcamYes
Card ReaderNo
StyleStandard
TypeGaming

Questions about this item

What does the 5.1 GHz turbo frequency mean for everyday workloads on the Ultra 9-288V?

The processor can briefly reach 5.1 GHz on demanding tasks, then settles at lower speeds for sustained work while staying within the 78 Whr battery budget.

How does Thunderbolt 4 limit external display or storage speeds on this laptop?

Thunderbolt 4 caps at 40 Gbps, so a single 4K monitor or NVMe enclosure runs at full speed, but dual 4K displays share that bandwidth.

Will the 10.25 x 15 x 0.9 in chassis fit in a standard 17-inch sleeve?

Yes, the 17.0-inch footprint matches typical 17-inch sleeves, and the 0.9-inch thickness leaves room for padding.

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