81ST by Lenovo – Specifications

Introducing the Lenovo Lenovo IdeaPad S145-14AST, a state-of-the-art Notebook designed for the modern consumer.

This model, 81ST, is part of the ENERGY STAR certified products and is brought to you by Lenovo Group Limited.

Key Features:

  • Additional Model Information: Lenovo IdeaPad S145-14AST D,,; Lenovo IdeaPad S145-14AST U,,; XiaoXin-14AST QC 2019,81SU,
  • Date Available On Market: March 7, 2019
  • Date Certified: April 30, 2020
  • Markets: United States, Switzerland, Taiwan, Japan, Canada
  • CB Model Identifier: ES_1037540_81ST_05012020103923_2506975
  • Meets ENERGY STAR Most Efficient 2024 Criteria: No

Available in United States, Switzerland, Taiwan, Japan, Canada markets, the Lenovo Lenovo IdeaPad S145-14AST is the perfect addition to any home, offering both performance and energy efficiency.

Release Date: March 7, 2019 Qualified Date: April 30, 2020

Don't miss out on this high-performance, energy-efficient Notebook.

Get yours today and enjoy the ultimate viewing experience!

Full Specifications of 81ST

ENERGY STAR PartnerLenovo Group Limited
Product CategoryComputers
TypeNotebook
Brand NameLenovo
Model NameLenovo IdeaPad S145-14AST
Model Number81ST
Additional Model InformationLenovo IdeaPad S145-14AST D,,; Lenovo IdeaPad S145-14AST U,,; XiaoXin-14AST QC 2019,81SU,
Date Available On MarketMarch 7, 2019
Date CertifiedApril 30, 2020
MarketsUnited States, Switzerland, Taiwan, Japan, Canada
CB Model IdentifierES_1037540_81ST_05012020103923_2506975
Meets ENERGY STAR Most Efficient 2024 CriteriaNo
Fuel TypeNotebook
Touch ScreenNo
Notebooks, Desktops, Integrated Computers, Slate/Tablets, Two-in-one Notebooks, and Portable All-in-ones Category for TEC (Typical Energy Consumption) Criteria1
Category 1: Processor BrandAMD
Category 1: Processor NameA9-9425
Category 1: Operating System NameWindows 10
Category 1: Base Processor Speed Per Core (GHz)3
Category 1: Physical CPU Cores (count)2
Category 1: System Memory (GB)8
Category 1: Default Low-power ModeSleep Mode
Category 1: Long Idle Power Used for Sleep ModeNo
Category 1: Off Mode (watts)0
Category 1: Sleep Mode (watts)0
Category 1: Long Idle (watts)3
Category 1: Short Idle (watts)5
Category 1: Base TEC Allowance (kWh)8
Category 1: Functional Adder Allowances (kWh)16
Category 1: TEC of Model (kWh)17
Ethernet CapabilityNo
Sleep Mode Default Time Upon Shipment (min.)30
Display Sleep Mode Default Time Upon Shipment (min.)10
Will the Speed of Any Active 1 GB/s or Higher Ethernet Network Links be Reduced to Less Than 1 GB/s When Transitioning to Sleep or Off Mode?No
Date QualifiedApril 30, 2020

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