 
| OS: Windows 10 Home CPU:  5500U 2.1 GHz RAM: 8 GB Display: 15.6 inch SSD: 256 GB Battery: Lithium Polymer (LiPo) | 
| Processor Lenovo ThinkBook 15 21A4003LPB | |
| Processor manufacturer: | AMD | 
| Processor model: | 5500U | 
| Processor cores: | 6 | 
| Processor family: | AMD Ryzen 5 | 
| Processor frequency: | 2.1 GHz | 
| Processor boost frequency: | 4 GHz | 
| Processor cache: | 8 MB | 
| Software Lenovo ThinkBook 15 21A4003LPB | |
| Operating system installed: | Windows 10 Home | 
| Operating system architecture: | 64-bit | 
| Operating system language: | Polish | 
| Display & Graphics Lenovo ThinkBook 15 21A4003LPB | |
| Panel type: | IPS | 
| Contrast ratio: | 800:1 | 
| Display brightness: | 300 cd/m² | 
| Display diagonal: | 15.6 inch | 
| Display resolution: | 1920 x 1080 pixels | 
| HD type: | Full HD | 
| LED backlight: | Yes | 
| Touchscreen: | No | 
| Memory Lenovo ThinkBook 15 21A4003LPB | |
| Internal memory: | 8 GB | 
| Maximum internal memory: | 40 GB | 
| Memory clock speed: | 3200 MHz | 
| Memory form factor: | On-board SO-DIMM | 
| Memory slots: | 1x SO-DIMM | 
| Internal memory type: | DDR4-SDRAM | 
| Storage Lenovo ThinkBook 15 21A4003LPB | |
| SSD capacity: | 256 GB | 
| SSD interface: | NVMe, PCI Express 3.0 | 
| SSD form factor: | M.2 | 
| Storage media: | SSD | 
| Number of SSDs installed: | 1 | 
| Total SSDs capacity: | 256 GB | 
| Total storage capacity: | 256 GB | 
| Optical drive type: | No | 
| Card reader integrated: | Yes | 
| Compatible memory cards: | MMC, SD, SDHC, SDXC | 
| Network & Communication Lenovo ThinkBook 15 21A4003LPB | |
| Antenna type: | 2x2 | 
| Bluetooth: | Yes | 
| Bluetooth version: | 5.1 | 
| Ethernet LAN: | Yes | 
| Wi-Fi: | Wi-Fi 6 (802.11ax) | 
| Wi-Fi standards: | Wi-Fi 6 (802.11ax) | 
| Input Devices Lenovo ThinkBook 15 21A4003LPB | |
| Keyboard backlit: | Yes | 
| Keyboard language: | English | 
| Keyboard layout: | QWERTY | 
| Numeric keypad: | Yes | 
| Pointing device: | Touchpad | 
| Spill resistant keyboard: | Yes | 
| Audio Lenovo ThinkBook 15 21A4003LPB | |
| Audio chip: | Realtek ALC3287 | 
| Audio system: | Dolby Audio | 
| Built-in microphone: | Yes | 
| Number of speakers: | 2 | 
| Speaker power: | 2 W | 
| Built-in Devices Lenovo ThinkBook 15 21A4003LPB | |
| Front camera: | Yes | 
| Front camera HD type: | HD | 
| Privacy camera: | Yes | 
| Privacy type: | Privacy shutter | 
| Power Lenovo ThinkBook 15 21A4003LPB | |
| AC adapter power: | 65 W | 
| Security Lenovo ThinkBook 15 21A4003LPB | |
| Cable lock slot: | Yes | 
| Cable lock slot type: | Kensington | 
| Fingerprint reader: | Yes | 
| Password protection: | Yes | 
| Smart card reader: | No | 
| Trusted Platform Module (TPM): | Yes | 
| Design Lenovo ThinkBook 15 21A4003LPB | |
| Brand: | Lenovo | 
| Family: | ThinkBook | 
| Model name: | 15 | 
| Part Number: | 21A4003LPB | 
| Product type: | Notebook | 
| Form factor: | Clamshell | 
| Product colour: | Grey | 
| Housing material: | Acrylonitrile butadiene styrene (ABS), Aluminium, Polycarbonate (PC) | 
| EAN/UPC code: | 0195890039619, 195890039619 | 
| Release Date: | 08 February 2022 | 
| Battery Information Lenovo ThinkBook 15 21A4003LPB | |
| Battery capacity: | 45 Wh | 
| Battery type: | Lithium Polymer (LiPo) | 
| Battery life: | 7.5 h | 
|  | Hjqiqy-Hlp | March 22, 2024 | 
| I am impressed with the AMD Ryzen 5 5500U processor's performance, it handles multitasking smoothly. The 256 GB SSD provides fast storage, but I might consider adding more RAM for better performance. The Full HD IPS display offers vibrant colors, great for movies and YouTube. Overall, a solid choice for everyday use. | ||
| Reply | ||
|  | Wysaqy-Mol | May 11, 2024 | 
| I upgraded the memory to 40 GB and the hard disk to a 256 GB NVMe SSD. | ||
| Reply | ||