Lenovo / ThinkPad / L Series
ThinkPad L13 Gen 3 (Intel)
ThinkPad L13 Gen 3 (Intel) is a 13.3-inch notebook in the L Series family.
- Scope
- Product generation / platformPSREF verified
- Machine Type
- 21B3 / 21B4
- Model / MTM
- 2800Official Models verifiedDirect specifications: 21B3001RJP
Buying and service essentials
Verified in official sourcesCheck before buying
- Model / MTM
- 1 exact specifications recorded2800 Models entries verified
- CPU / GPU
- 12th Generation Intel Core i3 / Core i5 / Core i75 CPU options / Intel UHD Graphics / Intel Iris Xe Graphics / Platform options / integrated GPU varies by CPU / this PSREF does not list a dGPU option
- Display
- 13.3-inch / 1920x12004 platform options / Non-touch / Multi-touch
- WWAN
- Configuration-dependentRetrofit conditions apply
Upgrades and repair
- Memory
- DDR4-3200 / SolderedSO-DIMM: 0 / maximum 32 GB
- Storage
- M.2 2242 SSDPCIe NVMe 4.0 x4 / Maximum simultaneous devices 1 device(s)
- Power
- USB-C Power Delivery 3.0AC 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 / Soldered / SO-DIMM: 0
- Storage form factor
- M.2 2242 SSD
- Maximum simultaneous devices
- 1 device(s)
Specifications
CPU
CPU options for this platform / Intel12th Generation Intel Core i3 / Core i5 / Core i7
| CPU | Integrated GPU | Cores / threads | Base frequency | Max frequency |
|---|---|---|---|---|
| Intel Core i3-1215UOpen external site in a new tab | Intel UHD Graphics | 6 / 8 | 1.20 GHz | 4.40 GHz |
| Intel Core i5-1235UOpen external site in a new tab | Intel Iris Xe Graphics | 10 / 12 | 1.30 GHz | 4.40 GHz |
| Intel Core i5-1245UOpen external site in a new tab | Intel Iris Xe Graphics | 10 / 12 | 1.60 GHz | 4.40 GHz |
| Intel Core i7-1255UOpen external site in a new tab | Intel Iris Xe Graphics | 10 / 12 | 1.70 GHz | 4.70 GHz |
| Intel Core i7-1265UOpen external site in a new tab | Intel Iris Xe Graphics | 10 / 12 | 1.80 GHz | 4.80 GHz |
Memory
- Type
- DDR4-3200
- Maximum capacity
- 32 GB
- Physical slots
- 0
- Implementation
- DDR4-3200 / Soldered
- Upgrade / replacement
- Not recorded
- Capacity options
- 8 GB / 16 GB / 32 GB
- Configuration constraints
- Memory is soldered to the system board and has no sockets
- Memory operates in dual-channel mode
Check the board layout in the HMMOpen external site in a new tab
Storage
- Interface and form factor
- PCIe NVMe 4.0 x4
- Supported form factors
- M.2 2242 SSD
- Physical slots
- 1
- Maximum simultaneous devices
- 1 device(s)
- Upgrade / replacement
- Not recorded
- Configuration constraints / exclusions
- The PSREF explicitly documents one M.2 2242 PCIe 4.0 x4 slot and one drive.
Check the SSD replacement procedure in the HMMOpen external site in a new tab
Display
- Size
- 13.3-inch
- Platform configuration options
configuration Resolution Touch Panel / brightness Surface / features WUXGA IPS
13.3-inch1920x1200 Non-touch IPS / 300 nits anti-glare WUXGA IPS 100% sRGB
13.3-inch1920x1200 Non-touch IPS / 300 nits anti-glare / 100% sRGB WUXGA IPS Privacy Guard
13.3-inch1920x1200 Non-touch IPS / 500 nits anti-glare / ThinkPad Privacy Guard WUXGA IPS touch
13.3-inch1920x1200 Multi-touch IPS / 300 nits anti-glare / On-cell touch / 10-point touch
Battery architecture
- Architecture
- Internal
- Chemistry
- Li-Polymer
- Capacity
- 46 Wh
Each row is a platform configuration option. Simultaneous installation is not inferred.
Power and AC adapter
- Connector
- USB-C Power Delivery 3.0
- Wattage
- 45 W / 65 W
Wireless and WWAN
- WLAN options
- Intel Wi-Fi 6 AX201 802.11ax 2x2 Wi-Fi with Bluetooth 5.1
- Intel Wi-Fi 6E AX211 802.11ax 2x2 Wi-Fi with Bluetooth 5.1
- WWAN
- Configuration-dependent
- Retrofit / conditions
- Retrofit conditions apply
- WWAN options
- Wireless WAN upgradable to 4G with antenna ready
- Fibocom L860-GL-16 4G LTE CAT16
- Quectel EM05-G 4G LTE CAT4
- No support
- Notes
- WWAN availability and antenna readiness depend on configuration.
Ports and docking
- Ports
- Two USB 3.2 Gen 1 Type-A ports including one Always On
- USB-C 3.2 Gen 2 with Power Delivery and DisplayPort
- Thunderbolt 4 / USB4 with Power Delivery and DisplayPort
- HDMI up to 4K/60Hz
- Optional smart card reader
- Optional Nano-SIM card slot
- Docking support
- Various docking solutions supported via Thunderbolt or USB-C
Dimensions and weight
- Platform value
- 305 × 218 × 17.3 mm
- Platform starting weight
- 1.26 kg / Starting weight
Official maintenance documentation and key procedures
- L13 Gen 3, L13 Yoga Gen 3, S2 Gen 7, and S2 Yoga Gen 7 Hardware Maintenance ManualOpen external site in a new tabScope: Combined Hardware Maintenance Manual for ThinkPad L13 Gen 3 Intel Machine Types 21B3 and 21B4, L13 Gen 3 AMD Machine Types 21B9 and 21BA, L13 Yoga Gen 3 Intel Machine Types 21B5 and 21B6, and L13 Yoga Gen 3 AMD Machine Types 21BB and 21BC; also covers ThinkPad S2 Gen 7 and S2 Yoga Gen 7
Key procedures
- Base cover
- p.69–70
- Built-in battery
- p.70–71
- Keyboard
- p.71–73
- M.2 SSD
- p.73–74
- Display assembly
- p.94–95
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
2800Codes 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
- 2800
- 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
21B3001RJP | 21B3 | JAPAN / Japan | Intel Core i5-1235U, 10C (2P + 8E) / 12T, P-core 1.3 / 4.4GHz, E-core 0.9 / 3.3GHz, 12MB | Integrated Intel Iris Xe Graphics | 8GB Soldered DDR4-3200 | 256GB SSD M.2 2242 PCIe 4.0x4 NVMe Opal 2.0 | 13.3" WUXGA (1920x1200) IPS 300nits Anti-glare, 45% NTSC | None | Intel Wi-Fi 6 AX201, 802.11ax 2x2 + BT5.1 | None | Windows 11 DG 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.