Audio
Audio chip	Senary SN6141
Audio system	Dolby Atmos
Number of built-in speakers	2
Speakers manufacturer	Harman Kardon
Speaker power	2 W
Number of microphones	2
Built-in microphone
Battery
Battery technology	Lithium-Ion (Li-Ion)
Battery capacity	64 Wh
Camera
Front camera resolution	1920 x 1080 pixels
Front camera HD type	Full HD
Privacy type	Privacy shutter
Front camera
Infrared (IR) camera
Privacy camera
Certificates
Compliance certificates	RoHS
Certification	ENERGY STAR,TCO,EPEAT Gold,RoHS
Design
Colour name	Black
Product type	Laptop
Product colour	Black
Form factor	Clamshell
Housing material	Aluminium
Market positioning	Business
Display
Display diagonal	35.6 cm (14")
Display resolution	2880 x 1800 pixels
HD type	2.8K
Panel type	IPS
Native aspect ratio	16:10
Display brightness	400 cd/m²
RGB colour space	sRGB
Colour gamut	100%
Maximum refresh rate	120 Hz
Contrast ratio (typical)	1000:1
Touchscreen
LED backlight
Anti-glare screen
Graphics
Discrete graphics card model	Not available
On-board GPU manufacturer	Intel
On-board graphics card family	Intel Arc Graphics
On-board graphics card model	Intel Arc 140T
On-board graphics card
Discrete graphics card
Keyboard
Pointing device	ThinkPad UltraNav
Keyboard language	German
Numeric keypad
Keyboard backlit
Memory
Internal memory	32 GB
Internal memory type	DDR5-SDRAM
Memory clock speed	5600 MHz
Memory form factor	SO-DIMM
Memory layout (slots x size)	1 x 32 GB
Memory slots	2x SO-DIMM
Maximum internal memory	64 GB
Network
Top Wi-Fi standard	Wi-Fi 6E (802.11ax)
Wi-Fi standards	Wi-Fi 6E (802.11ax)
Antenna type	2x2
WLAN controller model	Intel Wi-Fi 6E AX211
WLAN controller manufacturer	Intel
Ethernet LAN data rates	100,1000 Mbit/s
Bluetooth version	5.3
WWAN	Not installed
Mobile network connection
Ethernet LAN
Bluetooth
Near Field Communication (NFC)
Neural processor unit (NPU)
Neural processor unit (NPU)	Intel AI Boost
AI datatype support on NPU	FP16, FP32, Int8
AI software frameworks supported by NPU	DirectML, ONNX RT, OpenVINO, Windows ML
Total processor performance up to	96 TOPs
NPU performance up to	13 TOPs
GPU performance up to	74 TOPs
Sparsity support
Windows Studio effects support
Operational conditions
Operating temperature (T-T)	5 - 35 °C
Storage temperature (T-T)	5 - 43 °C
Operating relative humidity (H-H)	8 - 95%
Storage relative humidity (H-H)	5 - 95%
Maximum shipping altitude	3048 m
Packaging content
AC adapter included
Performance
Motherboard chipset	Intel SoC
Ports & interfaces
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	1
USB 3.2 Gen 2x2 Type-C ports quantity	1
Ethernet LAN (RJ-45) ports	1
HDMI ports quantity	1
HDMI version	2.1
Thunderbolt 4 ports quantity	1
Intel® Thunderbolt 4
Combo headphone/mic port
USB Type-C DisplayPort Alternate Mode
USB Sleep-and-Charge
Power
AC adapter power	65 W
AC adapter frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
USB Type-C charging port
USB Power Delivery (USB PD)
Processor
Processor manufacturer	Intel
Processor family	Intel Core Ultra 7
Processor generation	Intel Core Ultra (Series 2)
Processor model	255H
Processor cores	16
Processor threads	16
Processor boost frequency	5.1 GHz
Performance cores	6
Efficient cores	8
Low Power Efficient-cores	2
Performance-core Max Turbo Frequency	5.1 GHz
Efficient-core Max Turbo Frequency	4.4 GHz
Low Power Efficient-core Max Turbo Frequency	2.5 GHz
Performance-core base frequency	2 GHz
Efficient-core base frequency	1.5 GHz
Low Power Efficient-core Base Frequency	700 MHz
Processor cache	24 MB
Processor cache type	Smart Cache
Processor base power	28 W
Maximum turbo power	115 W
Security
Cable lock slot type	Kensington
Trusted Platform Module (TPM) version	2.0
Cable lock slot
Fingerprint reader
Smart card reader
Windows Hello
Trusted Platform Module (TPM)
Software
Operating system architecture	64-bit
Operating system language	German
Operating system installed	Windows 11 Pro
Bundled software	Lenovo AI Now
Storage
Total storage capacity	1 TB
Storage media	SSD
Total SSDs capacity	1 TB
Number of SSDs installed	1
SSD capacity	1 TB
SSD interface	PCI Express 4.0
SSD form factor	M.2
NVMe
Optical drive type
Card reader integrated
Sustainability
Sustainability certificates	ENERGY STAR, EPEAT Gold, ErP
Weight & dimensions
Width	313 mm
Depth	220.3 mm
Height (front)	1.01 cm
Height (rear)	1.52 cm
Weight	1.34 kg

Lenovo ThinkPad E14 21SX - Intel Ultra 7 255H / 2.0 GHz, 32 GB RAM DDR5-5600 (1x 32GB SO-DIMM-Modul, 2 Slots, max. 64GB), 1 TB SSD M.2 PCIe 4.0 x4 NVMe (2242, Opal2), 1x M.2 SSD PCE 4.0 x4 (2280) slot bis zu 1 TB, 35.6 cm (14") IPS 2880 x 1800, Intel Ar