Lenovo ThinkPad E15 Gen 4 (Intel)
Entry-level 15.6-inch business ThinkPad built around 12th Gen Intel Core U- and P-series (Alder Lake) processors, with up to 8 GB soldered memory plus one SO-DIMM slot, two M.2 storage slots and an optional NVIDIA MX550 discrete GPU. A budget fleet laptop for office work.
Memory
- Slots
- One DDR4 SO-DIMM slot; or one memory chip (8 GB) soldered to the system board plus one DDR4 SO-DIMM slot, dual-channel capable
- Max
- Up to 32 GB DDR4-3200 (SO-DIMM only) or up to 40 GB (8 GB soldered + 32 GB SO-DIMM) DDR4-3200
- Type
- DDR4-3200
Storage
- Support
- Up to two drives, 2× M.2 2242 SSD, each up to 1 TB
- Slots
- Two M.2 slots — one M.2 2242 PCIe 3.0 x4, one M.2 2242 PCIe 4.0 x4
- Types
- M.2 2242 NVMe PCIe 4.0 x4 (256/512 GB / 1 TB, Opal 2.0)
- Card reader
- None
Graphics
- Integrated
- Intel UHD Graphics or Intel Iris Xe Graphics (shared memory, shares CPU TDP), DirectX 12.1
- Discrete
- NVIDIA GeForce MX550 2 GB GDDR6, DirectX 12
- External displays
- Up to 3 independent displays (native + 2 external) via HDMI (up to 3840×2160@60Hz) and Thunderbolt (up to 5120×3200@60Hz)
Networking
- Ethernet
- Gigabit Ethernet, Intel Ethernet Connection I219-V, 1× RJ-45, Wake-on-LAN
- Wi-Fi / Bluetooth
- Wi-Fi 6 802.11ax 2×2 + Bluetooth 5.1 (Realtek RTL8852BE or Intel Wi-Fi 6 AX201), or Wi-Fi 6E 802.11ax 2×2 + Bluetooth 5.1 (AMD RZ616 or Intel AX211), M.2 card
- WWAN
- No support
Power
- Adapter
- 65 W USB-C AC adapter (2-pin or 3-pin), supports PD 3.0, 100–240 V 50/60 Hz
Ports
- USB
- 1× USB 2.0, 1× USB 3.2 Gen 1 (Always On), 1× Thunderbolt 4 / USB4 40 Gbps (data, Power Delivery 3.0, DisplayPort 1.4)
- Video
- 1× HDMI 2.1, up to 4K/60Hz
- Networking
- 1× Ethernet (RJ-45)
- Audio
- 1× headphone / microphone combo jack (3.5 mm)
Display
- Panel options
- 15.6" FHD (1920×1080): TN 250 nits 500:1 45% NTSC; IPS 300 nits 800:1 45% NTSC; IPS 300 nits 1200:1 100% sRGB; multi-touch IPS 300 nits 800:1 45% NTSC — all anti-glare, 16:9
- Touch
- Optional on-cell multi-touch, 10-point (special bid in EMEA); non-touch on other panels
Battery
- Capacity
- Integrated Li-Polymer 45 Wh or 57 Wh, Rapid Charge to 80% in 1 hour
- Life
- 45 Wh: MobileMark 2018 8.0 hr, JEITA 2.0 12.6 hr, local 1080p video 11.1 hr; 57 Wh: MobileMark 2018 10.8 hr, MobileMark 25 9.9 hr, JEITA 2.0 15.6 hr, local 1080p video 14.6 hr
Physical
- Dimensions (W×D×H)
- 365 × 240 × 18.9 mm (14.37 × 9.45 × 0.74 in)
- Weight
- Starting at 1.7 kg (3.75 lbs)
- Case
- Aluminium top, PC-ABS bottom; Black or Mineral metallic (not EMEA)
Management
- Security chip
- Firmware TPM 2.0 integrated in SoC, or discrete TPM 2.0 (TCG certified, FIPS 140-2 certified)
- Physical lock
- Kensington Security Slot, 3 × 7 mm
- Fingerprint reader
- Optional touch-style reader integrated in the power button
- Camera
- FHD 1080p, FHD 1080p + IR hybrid, or HD 720p, with privacy shutter, fixed focus
Operating systems
- Options
- Windows 11 Pro, Windows 11 Home, Windows 11 Home Single Language, Windows 11 DG Windows 10 Pro 64 (special bid), Ubuntu Linux, No preload OS
Processors
- Intel Core i3-1215U
- Intel Core i5-1235U
- Intel Core i5-1240P
- Intel Core i7-1255U
- Intel Core i7-1260P