Lenovo / ThinkPad / X Series
ThinkPad X240
ThinkPad X240 is a 12.5-inch notebook in the X Series family.
- Scope
- Product generation / platformPSREF verified
- Machine Type
- 20AL / 20AM
- Model / MTM
- 237Official Models verifiedDirect specifications: Not collected
Buying and service essentials
Verified in official sourcesCheck before buying
- Model / MTM
- Not collected237 Models entries verified
- CPU / GPU
- 4th Generation Intel Core i3 / Core i5 / Core i75 CPU options / Intel HD Graphics 4400 / Platform options / integrated GPU only
- Display
- 12.5-inch / 1366x768 / 1920x10803 platform options / Not recorded
- WWAN
- Configuration-dependentRetrofit conditions apply
Upgrades and repair
- Memory
- DDR3L-1600 / SocketedSO-DIMM: 1 / maximum 8 GB
- Storage
- 2.5-inch 7mm HDD / 2.5-inch 9.5mm HDD / 2.5-inch 7mm SSD / M.2 SSDSATA 6Gb/s / maximum simultaneous device count not recorded
- Power
- Not recordedAC adapter: 45 W
- Parts / service
- Not collectedNot collected / Not collected
Motherboard and slot topology
Evidence confidence: not recorded
?
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
- DDR3L-1600 / Socketed / SO-DIMM: 1
- Storage form factor
- 2.5-inch 7mm HDD / 2.5-inch 9.5mm HDD / 2.5-inch 7mm SSD / M.2 SSD
- Maximum simultaneous devices
- Not recorded
Specifications
CPU
Evidence confidence: high
CPU options for this platform / Intel4th Generation Intel Core i3 / Core i5 / Core i7
| CPU | Integrated GPU | Cores / threads | Base frequency | Max frequency |
|---|---|---|---|---|
| Intel Core i3-4010UOpen external site in a new tab | Intel HD Graphics 4400 | 2 / 4 | 1.70 GHz | ― |
| Intel Core i5-4200UOpen external site in a new tab | Intel HD Graphics 4400 | 2 / 4 | 1.60 GHz | 2.60 GHz |
| Intel Core i5-4210UOpen external site in a new tab | Intel HD Graphics 4400 | 2 / 4 | 1.70 GHz | 2.70 GHz |
| Intel Core i5-4300UOpen external site in a new tab | Intel HD Graphics 4400 | 2 / 4 | 1.90 GHz | 2.90 GHz |
| Intel Core i7-4600UOpen external site in a new tab | Intel HD Graphics 4400 | 2 / 4 | 2.10 GHz | 3.30 GHz |
Memory
Evidence confidence: high
- Type
- DDR3L-1600
- Maximum capacity
- 8 GB
- Physical slots
- 1
- Implementation
- DDR3L-1600 / Socketed
- Upgrade / replacement
- Not recorded
- Configuration constraints
- One 204-pin SO-DIMM socket
Storage
Evidence confidence: high
- Interface and form factor
- SATA 6Gb/s
- Supported form factors
- 2.5-inch 7mm HDD
- 2.5-inch 9.5mm HDD
- 2.5-inch 7mm SSD
- M.2 SSD
- Physical slots
- Not recorded
- Upgrade / replacement
- Not recorded
- Configuration constraints / exclusions
- SSHD with 8GB NAND flash memory is a platform option.
- A single-sided M.2 SSD is optional via an M.2 card slot and is mutually exclusive with the smart card reader.
- A double-sided M.2 SSD is optional via an M.2 card slot and is mutually exclusive with the WWAN card.
- The PSREF does not state a platform-wide simultaneous-drive count.
Display
Evidence confidence: high
- Size
- 12.5-inch
- Platform configuration options
configuration Resolution Touch Panel / brightness Surface / features HD TN
12.5-inch1366x768 Not recorded TN / 200 nits anti-glare HD IPS
12.5-inch1366x768 Not recorded IPS / 300 nits anti-glare FHD IPS
12.5-inch1920x1080 Not recorded IPS / 400 nits anti-glare
Battery architecture
Evidence confidence: high
- Architecture
- Internal + removable
| Placement | Position | Optional | Chemistry | Cell options | Capacity options |
|---|---|---|---|---|---|
| Internal | Not recorded | Yes | Li-Ion / Li-Polymer | 3 | 23.5 Wh |
| External / removable | Not recorded | Not recorded | Li-Ion | 3 / 6 | 23.5 Wh / 47.5 Wh / 72 Wh |
Each row is a platform configuration option. Simultaneous installation is not inferred.
Power and AC adapter
Evidence confidence: high
- Connector
- Not recorded
- Wattage
- 45 W
Wireless and WWAN
Evidence confidence: high
- WLAN options
- ThinkPad 11b/g/n, 2x2
- Intel Wireless-N 7260, 2x2
- Intel Dual Band Wireless-N 7260, 2x2
- Intel Dual Band Wireless-AC 7260, 2x2
- WWAN
- Configuration-dependent
- Retrofit / conditions
- Retrofit conditions apply
- WWAN options
- Wireless WAN upgradable
- Sierra Wireless EM7355 4G LTE
- Ericsson N5321 HSPA+
- Sierra Wireless EM7345 4G LTE
- Notes
- WWAN and a double-sided M.2 SSD are mutually exclusive.
Ports and docking
Evidence confidence: high
- Ports
- 2x USB 3.0, one Always On
- VGA
- Mini DisplayPort
- RJ-45 Ethernet
- Docking support
- Dock connector
Dimensions and weight
Evidence confidence: high
- Non-touch models
- 305.5 × 208.5 × 19.9 mm
- Multi-touch models
- 305.5 × 208.5 × 21.5 mm
- Non-touch, no internal battery + 3-cell external battery
- 1.31 kg / By configuration
- Non-touch, no internal battery + 6-cell external battery
- 1.47 kg / By configuration
- Non-touch, 3-cell internal + 3-cell external battery
- 1.42 kg / By configuration
- Non-touch, 3-cell internal + 6-cell external battery
- 1.58 kg / By configuration
- Multi-touch, 3-cell internal + 3-cell external battery
- 1.49 kg / By configuration
- Multi-touch, 3-cell internal + 6-cell external battery
- 1.65 kg / By configuration
Official maintenance documentation and key procedures
Not collected
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
237Codes 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
- 237
- Exact configuration data
- Not collected
Enter a code to search the official Lenovo Models data for this product.
Exact Model / MTM configuration data is not recorded. Specifications on this page are platform-level options.
Evidence
2 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.