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Lenovo

Lenovo Yoga All-in-One PC 27" QHD 120Hz Ultra 7 255H 16GB 8TB Arc 140T Luna Grey

SKU CH-9XMX-E71F0

A 27-inch QHD 120 Hz all-in-one desktop with an Intel Core Ultra 7 255H processor, 16 GB LPDDR5X memory, 8 TB PCIe NVMe storage and Intel Arc 140T graphics

  • TypeAll-in-One PC
  • Form FactorAll-in-One
  • Power Supply170W
  • MonitorMonitor included
  • Operating SystemWindows 11 Home
  • CPU TypeIntel Core Ultra 7
  • 27-inch IPS QHD display at 120 Hz for smooth visuals
  • Intel Core Ultra 7 255H processor with 16 cores up to 5.1 GHz
  • 16 GB LPDDR5X memory and 8 TB PCIe NVMe SSD
  • WiFi 7 and Bluetooth 5.4 plus wired RJ-45 connectivity
  • Includes wireless keyboard, mouse and Dockztorm USB hub

All-in-One for creative work

The Lenovo Yoga All-in-One combines a 27-inch IPS QHD display running at 120 Hz with an Intel Core Ultra 7 255H processor and 16 GB of LPDDR5X memory. Integrated Intel Arc 140T graphics share system memory, while an 8 TB PCIe NVMe SSD provides large local storage for media projects. Windows 11 Home, WiFi 7 and Bluetooth 5.4 complete the package for home-office creators who want a single tidy unit.

Sustained workload behaviour

The 170 W power supply feeds a 16-core, 16-thread CPU that can reach 5.1 GHz boost clocks, but the all-in-one chassis limits how long peak frequencies hold under continuous multi-threaded rendering or compile jobs. Shared graphics memory means heavy GPU compute competes with the 16 GB RAM pool, so extended 3D or video sessions may throttle sooner than a discrete-card desktop. Thermal headroom is fixed by the sealed design.

Installation and common issues

Setup is minimal: place the unit, connect the included wireless keyboard and mouse, and run Windows 11 first-boot. The bundled Dockztorm USB hub adds extra ports at up to 5 Gbps for peripherals. Because memory is soldered LPDDR5X and storage is internal NVMe, later upgrades are not possible; buyers needing more RAM or a second drive should choose a tower system instead.

Highlights

  • 27-inch IPS QHD display at 120 Hz for smooth visuals
  • Intel Core Ultra 7 255H processor with 16 cores up to 5.1 GHz
  • 16 GB LPDDR5X memory and 8 TB PCIe NVMe SSD
  • WiFi 7 and Bluetooth 5.4 plus wired RJ-45 connectivity
  • Includes wireless keyboard, mouse and Dockztorm USB hub

Specifications

BrandLenovo
ModelYoga
TypeAll-in-One PC
Form FactorAll-in-One
Power Supply170W
MonitorMonitor included
Operating SystemWindows 11 Home
CPU TypeIntel Core Ultra 7
L3 Cache Per CPU24MB Cache
GPU/VGA TypeIntel Arc 140T
Graphics InterfaceIntegrated video
Memory Capacity16GB LPDDR5X
SSD8 TB
HDDNo
Storage Spec8TB PCIe SSD
Screen Size27"
Screen TypeNon-Touch Screen
WLAN802.11be
BluetoothBluetooth 5.4
Card ReaderNo
RJ451 port
Rear Audio PortsCombo
Keyboard TypeWireless Keyboard

Questions about this item

How much power does the 170W supply draw when the Ultra 7-255H and Arc 140T run all day?

The system ships with a 170W power supply; actual draw will vary with workload but the unit is designed to operate within that envelope.

Do I need to buy a keyboard and mouse separately to use this all-in-one?

A wireless keyboard and wireless mouse are included in the box.

Can I connect my older 1080p monitor to the 2 HDMI ports alongside the built-in 27" QHD 120Hz display?

Yes, the two HDMI outputs support additional displays up to their native resolution.

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