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Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100
Specs
Prices
Main specs
| Processor | Intel Core i7-1255U 1,7GHz |
|---|---|
| Screen | 15.6" 1920x1080 TN 250 nits 45% NTSC |
| Hard drive | 512GB SSD M.2 |
| RAM | 16GB DDR4-SDRAM |
| Operating system | Windows 11 Pro |
| Graphics card | NVIDIA GeForce MX550 2GB GDDR6 |
| Other | Keyboard Spanish. |
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Full specifications of Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100
| Reference / Part Number | 21E7S1A100 |
|---|---|
| Release date | March 2026, 6 months ago |
Design
| Product type | Laptop |
|---|---|
| Product colour | Black |
| Form factor | Clamshell |
| Housing material | Acrylonitrile butadiene styrene (ABS),Polycarbonate (PC) |
| Display back cover material | Aluminium |
Image gallery
Screen
| Display diagonal | 39,6 cm |
|---|---|
| Display resolution | 1920 x 1080 pixels |
| Touchscreen | No |
| HD type | Full HD |
| Panel type | TN |
| LED backlight | Yes |
| Native aspect ratio | 16:9 |
| Anti-glare screen | Yes |
| Display brightness | 250 cd/m² |
| RGB colour space | NTSC |
| Colour gamut | 45 % |
Processor
| Processor family | Intel® Core™ i7 |
|---|---|
| Processor manufacturer | Intel |
| Processor model | i7-1255U |
| Processor frequency | 1,7 GHz |
| Processor cores | 10 |
| Processor threads | 12 |
| Processor boost frequency | 4,7 GHz |
Memory
| Internal memory | 16 GB |
|---|---|
| Maximum internal memory | 40 GB |
| Internal memory type | DDR4-SDRAM |
| Memory clock speed | 3200 MHz |
| Memory form factor | On-board + SO-DIMM |
| Memory layout (slots x size) | 1 x 8 GB |
| Memory slots | 1x SO-DIMM |
Storage
| Total storage capacity | 512 GB |
|---|---|
| Storage media | SSD |
| Optical drive type | No |
| Total SSDs capacity | 512 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 512 GB |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
| SSD form factor | M.2 |
| Card reader integrated | No |
Graphics
| Discrete graphics card | Yes |
|---|---|
| Discrete graphics card model | NVIDIA GeForce MX550 |
| Discrete graphics card memory | 2 GB |
| Discrete graphics memory type | GDDR6 |
Audio
| Audio chip | Realtek ALC3287 |
|---|---|
| Number of built-in speakers | 2 |
| Speaker power | 2 W |
| Built-in microphone | Yes |
| Number of microphones | 2 |
Camera
| Front camera | Yes |
|---|---|
| Front camera resolution | 1920 x 1080 pixels |
| Front camera HD type | Full HD |
| Privacy camera | Yes |
| Privacy type | Privacy shutter |
Network
| Mobile network connection | No |
|---|---|
| Top Wi-Fi standard | Wi-Fi 6 (802.11ax) |
| Wi-Fi standards | Wi-Fi 6 (802.11ax) |
| Antenna type | 2x2 |
| WLAN controller model | Intel Wi-Fi 6 AX201 |
| WLAN controller manufacturer | Intel |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 100,1000 Mbit/s |
| Bluetooth | Yes |
| Bluetooth version | 5.1 |
| Near Field Communication (NFC) | No |
| WWAN | Not installed |
Ports & interfaces
| USB 2.0 ports quantity | 1 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI version | 2.1 |
| Thunderbolt 4 ports quantity | 1 |
| Intel® Thunderbolt 4 | Yes |
| Combo headphone/mic port | Yes |
| USB Sleep-and-Charge | Yes |
Performance
| Motherboard chipset | Intel SoC |
|---|
Keyboard
| Numeric keypad | Yes |
|---|---|
| Pointing device | ThinkPad UltraNav |
| Keyboard backlit | Yes |
| Keyboard language | Spanish |
Software
| Operating system installed | Windows 11 Pro |
|---|---|
| Operating system architecture | 64-bit |
| Operating system language | Spanish |
| Recovery operating system | Windows 10 Pro |
Battery
| Battery capacity | 57 Wh |
|---|
Power
| USB Type-C charging port | Yes |
|---|---|
| AC adapter power | 65 W |
| USB Power Delivery (USB PD) | Yes |
Security
| Cable lock slot | Yes |
|---|---|
| Cable lock slot type | Kensington |
| Fingerprint reader | Yes |
| Smart card reader | No |
| Trusted Platform Module (TPM) | Yes |
| Trusted Platform Module (TPM) version | 2.0 |
Certificates
| Certification | ENERGY STAR,TCO,EPEAT Gold,RoHS |
|---|
Weight & dimensions
| Weight | 1,7 kg |
|---|---|
| Width | 365 mm |
| Depth | 240 mm |
| Height | 18,9 mm |
Packaging content
| AC adapter included | Yes |
|---|
Frequently asked questions
Is the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 good for gaming?
You can game on it, though this laptop was not built for it: it carries the dedicated NVIDIA GeForce MX550. Its card's page shows what level it handles current games at.
What is the screen of the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 like?
It carries a 15.6" 1920x1080 TN 250 nits 45% NTSC display.
Which processor and graphics card does the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 have?
It runs on the Intel Core i7-1255U processor with the NVIDIA GeForce MX550 graphics. Their pages carry their benchmarks, ranking position and alternatives.
Can the RAM of the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 be upgraded?
Yes: it has 1 memory slot and takes up to 40 GB according to the manufacturer (it ships with 16GB).
Which operating system does the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 come with?
It comes with Windows 11 Pro preinstalled.
Which ports does the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 have?
According to its spec sheet: 1 × Thunderbolt 4, 1 × USB-A, 1 × HDMI, Ethernet (RJ-45), headphone jack (3.5 mm).
Does the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 have a backlit keyboard?
Yes, according to its spec sheet the keyboard is backlit.
Does the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 have a touch screen?
No, according to its spec sheet the screen is not a touch screen.
What material is the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 made of?
Its housing is made of Acrylonitrile butadiene styrene (ABS),Polycarbonate (PC).
How much does the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 weigh?
It weighs 1,7 kg, a normal weight for its size: easy enough to move around.
When was the Lenovo ThinkPad E15 Gen 4 (Intel) 21E7S1A100 released?
Its release date is March 2026, 6 months ago.