Lenovo / ThinkPad / L Series
ThinkPad L14 Gen 1 (AMD)
ThinkPad L14 Gen 1 (AMD) is a 14-inch notebook in the L Series family.
- Scope
- Product generation / platformPSREF verified
- Machine Type
- 20U5 / 20U6
- Model / MTM
- 4183Official Models verifiedDirect specifications: 20U50021JP
Buying and service essentials
Verified in official sourcesCheck before buying
- Model / MTM
- 1 exact specifications recorded4183 Models entries verified
- CPU / GPU
- AMD Ryzen 3 / Ryzen 5 / Ryzen 75 CPU options / AMD Radeon Graphics / Platform options / integrated GPU only
- Display
- 14-inch / 1366x768 / 1920x10804 platform options / Non-touch / Multi-touch
- WWAN
- Configuration-dependentRetrofit conditions apply
Upgrades and repair
- Memory
- DDR4-3200 / SocketedSO-DIMM: 2 / maximum 64 GB
- Storage
- M.2 2242 PCIe NVMe SSD / M.2 2280 PCIe NVMe SSDPCIe NVMe 3.0 x4 / Maximum simultaneous devices 1 device(s)
- Power
- USB-CAC adapter: 45 W / 65 W
- Parts / service
- Not collectedHMM verified / Key procedures verified
Motherboard and slot topology
?
Shows the strength of the supporting evidence. It is not a performance score or recommendation. Full sources appear in the Evidence section below.
- Memory implementation
- DDR4-3200 / Socketed / SO-DIMM: 2
- Storage form factor
- M.2 2242 PCIe NVMe SSD / M.2 2280 PCIe NVMe SSD
- Maximum simultaneous devices
- 1 device(s)
Specifications
CPU
CPU options for this platform / AMDAMD Ryzen 3 / Ryzen 5 / Ryzen 7
| CPU | Integrated GPU | Cores / threads | Base frequency | Max frequency |
|---|---|---|---|---|
| AMD Ryzen 3 4300UOpen external site in a new tab | AMD Radeon Graphics | 4 / 4 | 2.70 GHz | 3.70 GHz |
| AMD Ryzen 3 PRO 4450UOpen external site in a new tab | AMD Radeon Graphics | 4 / 8 | 2.50 GHz | 3.70 GHz |
| AMD Ryzen 5 4500UOpen external site in a new tab | AMD Radeon Graphics | 6 / 6 | 2.30 GHz | 4.00 GHz |
| AMD Ryzen 5 PRO 4650UOpen external site in a new tab | AMD Radeon Graphics | 6 / 12 | 2.10 GHz | 4.00 GHz |
| AMD Ryzen 7 PRO 4750UOpen external site in a new tab | AMD Radeon Graphics | 8 / 16 | 1.70 GHz | 4.10 GHz |
Memory
- Type
- DDR4-3200
- Maximum capacity
- 64 GB
- Physical slots
- 2
- Implementation
- DDR4-3200 / Socketed
- Upgrade / replacement
- Not recorded
- Configuration constraints
- Two DDR4 SO-DIMM slots; dual-channel capable
Check the board layout in the HMMOpen external site in a new tab
Storage
- Interface and form factor
- PCIe NVMe 3.0 x4
- Supported form factors
- M.2 2242 PCIe NVMe SSD
- M.2 2280 PCIe NVMe SSD
- Physical slots
- Not recorded
- Maximum simultaneous devices
- 1 device(s)
- Upgrade / replacement
- Not recorded
- Configuration constraints / exclusions
- The PSREF explicitly states support for one drive; M.2 2242 and M.2 2280 are alternative supported formats and do not prove multiple physical slots.
Check the SSD replacement procedure in the HMMOpen external site in a new tab
Display
- Size
- 14-inch
- Platform configuration options
configuration Resolution Touch Panel / brightness Surface / features HD TN
14-inch1366x768 Non-touch TN / 220 nits anti-glare FHD IPS
14-inch1920x1080 Non-touch IPS / 250 nits anti-glare FHD IPS low power
14-inch1920x1080 Non-touch IPS / 400 nits anti-glare / Low power FHD IPS touch
14-inch1920x1080 Multi-touch IPS / 300 nits anti-glare
Battery architecture
- Architecture
- Internal
- Explicit count
- 1
- Chemistry
- Li-Polymer
- Capacity
- 45 Wh
Each row is a platform configuration option. Simultaneous installation is not inferred.
Power and AC adapter
- Connector
- USB-C
- Wattage
- 45 W / 65 W
Wireless and WWAN
- WLAN options
- Wi-Fi 6 802.11ax 2x2 with Bluetooth 5.1
- MediaTek Wi-Fi 6 MT7921 with Bluetooth 5.1
- Realtek Wi-Fi 6 RTL8852AE with Bluetooth 5.1
- Intel Wi-Fi 6 AX200 with Bluetooth 5.1
- No WLAN and Bluetooth
- WWAN
- Configuration-dependent
- Retrofit / conditions
- Retrofit conditions apply
- WWAN options
- Wireless WAN upgradable to 4G with antenna ready
- Fibocom L850-GL 4G LTE CAT9
- No support
- Notes
- Non-WWAN models are not WWAN-upgradable.
Ports and docking
- Ports
- Two USB 3.2 Gen 1 Type-A including one Always On
- USB-C 3.2 Gen 1 with Power Delivery and DisplayPort 1.2
- USB-C 3.2 Gen 2 with Power Delivery and DisplayPort 1.2
- HDMI 1.4b
- Ethernet RJ-45
- MicroSD card reader
- Optional smart card reader
- Optional nano-SIM card slot on WWAN models
- Docking support
- Physical connector: Side docking connector
- USB-C docking support
Dimensions and weight
- All models; dimensions vary by configuration
- 331 × 235 × 20.4 mm
- Platform starting weight
- 1.61 kg / Starting weight
Official maintenance documentation and key procedures
- ThinkPad L14 Gen 1 and ThinkPad L15 Gen 1 Hardware Maintenance ManualOpen external site in a new tabScope: Combined Hardware Maintenance Manual applicable to ThinkPad L14 Gen 1 Machine Types 20U1, 20U2, 20U5, and 20U6 and ThinkPad L15 Gen 1 Machine Types 20U3, 20U4, 20U7, and 20U8; covers Intel and AMD models
Key procedures
- Keyboard
- p.75–76
- Base cover
- p.76–77
- Memory
- p.79–80
- SSD / storage
- p.81–83
- Built-in battery
- p.88–89
- Display assembly
- p.106–110
Part number information
Part numbers and their relationships to this product or model are shown when verified in official Lenovo sources.
Official Model-listed parts
Not collectedKATABAN.FYI has not yet collected official Model-listed parts for this product. This is not evidence that no compatible parts exist.
Model / MTM
4183Codes listed in Lenovo Models identify a relationship to this product. They do not establish exact CPU, memory, storage or other configuration details.
- Model / MTM codes verified in official sources
- 4183
- Exact configuration data
- 1
Enter a code to search the official Lenovo Models data for this product.
Model / MTM with recorded exact specifications
Exact specifications recordedThese are sold configurations listed in Lenovo Models. They are not serial-number or as-built configurations. Each value comes directly from the applicable Model / MTM row.
| Model / MTM | Machine Type | Region / Country/Region | Processor | Graphics | Memory | Storage | Display | Touchscreen | WLAN / Bluetooth | WWAN | OS | Official evidence |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
20U50021JP | 20U5 | JAPAN / Japan | AMD Ryzen 5 4500U (6C / 6T, 2.3 / 4.0GHz, 3MB L2 / 8MB L3) | Integrated AMD Radeon Graphics | 1x 8GB SO-DIMM DDR4-3200 | 256GB SSD M.2 2280 PCIe 3.0x4 NVMe Opal 2.0 | 14" FHD (1920x1080) IPS 250nits Anti-glare | None | Intel Wi-Fi 6 AX200, 11ax 2x2 + BT5.1 | None | Windows 10 Pro 64, Japanese | Lenovo Models |
Evidence
3 sources. Of 12 product claims, 12 are verified with high confidence.This page covers PSREF platform information and identifiers listed in Lenovo Models. Exact MTM specifications and parts relationships have not been collected. Procedure coverage in official maintenance documentation is audited per product for major components.