Lenovo / ThinkPad / T Series
ThinkPad T550
ThinkPad T550 platform specifications based on Lenovo PSREF.
- Scope
- Product generation / platformPSREF verified
- Machine Type
- 20CJ / 20CK
- Model / MTM
- 85Official Models verifiedDirect specifications: Not collected
Buying and service essentials
Verified in official sourcesCheck before buying
- Model / MTM
- Not collected85 Models entries verified
- CPU / GPU
- 5th Generation Intel Core i5 / Core i73 CPU options / Intel HD Graphics 5500 / Platform option / dGPU: NVIDIA GeForce 940M (configuration-dependent)
- Display
- 1366x768 / 1920x1080 / 2880x1620 / unrecorded5 platform options / Not recorded / Multi-touch
- WWAN
- Configuration-dependentRetrofit conditions apply
Upgrades and repair
- Memory
- DDR3L-1600 / SocketedSO-DIMM: 2 / maximum 16 GB
- Storage
- 2.5-inch 7mm SATA HDD / 2.5-inch 7mm SATA SSD / 2.5-inch SSHD with 8GB NAND flash memory / Single-sided M.2 SSDSATA 6.0Gb/s / maximum simultaneous device count not recorded
- Power
- Not recordedAC adapter: 45 W / 65 W
- Parts / service
- Not collectedHMM verified / Not collected
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
- DDR3L-1600 / Socketed / SO-DIMM: 2
- Storage form factor
- 2.5-inch 7mm SATA HDD / 2.5-inch 7mm SATA SSD / 2.5-inch SSHD with 8GB NAND flash memory / Single-sided M.2 SSD
- Maximum simultaneous devices
- Not recorded
Specifications
CPU
CPU options for this platform / Intel5th Generation Intel Core i5 / Core i7
| CPU | Integrated GPU | Cores / threads | Base frequency | Max frequency |
|---|---|---|---|---|
| Intel Core i5-5200UOpen external site in a new tab | Intel HD Graphics 5500 | 2 / 4 | 2.20 GHz | 2.70 GHz |
| Intel Core i5-5300UOpen external site in a new tab | Intel HD Graphics 5500 | 2 / 4 | 2.30 GHz | 2.90 GHz |
| Intel Core i7-5600UOpen external site in a new tab | Intel HD Graphics 5500 | 2 / 4 | 2.60 GHz | 3.20 GHz |
Graphics / GPU
dGPU options
| GPU | Dedicated memory | Selection conditions |
|---|---|---|
| NVIDIANVIDIA GeForce 940M | 1 GB | Configuration-dependent
|
These are platform configuration options, not the GPU installed in an individual MTM.
Memory
- Type
- DDR3L-1600
- Maximum capacity
- 16 GB
- Physical slots
- 2
- Implementation
- DDR3L-1600 / Socketed
- Upgrade / replacement
- Not recorded
- Configuration constraints
- Two 204-pin SO-DIMM sockets; dual-channel capable
Check the board layout in the HMMOpen external site in a new tab
Storage
- Interface and form factor
- SATA 6.0Gb/s
- Supported form factors
- 2.5-inch 7mm SATA HDD
- 2.5-inch 7mm SATA SSD
- 2.5-inch SSHD with 8GB NAND flash memory
- Single-sided M.2 SSD
- Physical slots
- Not recorded
- Upgrade / replacement
- Not recorded
- Configuration constraints / exclusions
- The PSREF lists both drive-form-factor options but does not explicitly document a simultaneous physical-device count.
Check the SSD replacement procedure in the HMMOpen external site in a new tab
Display
- Size
- Not recorded
- Platform configuration options
configuration Resolution Touch Panel / brightness Surface / features HD 200-nit
15.6-inch1366x768 Not recorded 200 nits anti-glare HD 220-nit
15.6-inch1366x768 Not recorded 220 nits anti-glare FHD
15.6-inch1920x1080 Not recorded 300 nits anti-glare 3K IPS
15.5-inch2880x1620 Not recorded IPS / 350 nits anti-glare Multi-touch option
15.6-inchunrecorded Multi-touch 315 nits Not recorded
Battery architecture
- Architecture
- Internal + removable
| Placement | Position | Optional | Chemistry | Cell options | Capacity options |
|---|---|---|---|---|---|
| Internal | Not recorded | Yes | Li-Polymer | 3 | 44 Wh |
| External / removable | Not recorded | No | Li-Ion / Li-Polymer | 3 / 6 | 23 Wh / 48 Wh / 72 Wh |
Each row is a platform configuration option. Simultaneous installation is not inferred.
Power and AC adapter
- Connector
- Not recorded
- Wattage
- 45 W / 65 W
Wireless and WWAN
- WLAN options
- ThinkPad 11b/g/n 2x2
- Intel Wireless-N 7265 802.11b/g/n 2x2
- Intel Dual Band Wireless-N 7265 802.11a/b/g/n 2x2
- Intel Dual Band Wireless-AC 7265 802.11ac/a/b/g/n 2x2
- WWAN
- Configuration-dependent
- Retrofit / conditions
- Retrofit conditions apply
- WWAN options
- Wireless WAN upgradable
- Ericsson N5321 HSPA+ with GPS
- Sierra Wireless EM7345 LTE with GPS
- Notes
- Availability varies by listed platform configuration.
Ports and docking
- Ports
- 3x USB 3.0 including one Always On
- VGA
- Mini DisplayPort
- Ethernet RJ-45
- 4-in-1 SD card reader
- Optional smart card reader
- Docking support
- Physical connector: Dock connector
Dimensions and weight
- Non-touch models
- 380.6 × 258.2 × 22.45 mm
- Multi-touch models
- 380.6 × 258.2 × 23.3 mm
- Integrated graphics non-touch with internal 3-cell and external 3-cell batteries
- 2.13 kg / By configuration
- Integrated graphics multi-touch with internal 3-cell and external 3-cell batteries
- 2.27 kg / By configuration
- Discrete graphics non-touch with internal 3-cell and external 3-cell batteries
- 2.17 kg / By configuration
- Discrete graphics multi-touch with internal 3-cell and external 3-cell batteries
- 2.31 kg / By configuration
Official maintenance documentation and key procedures
- ThinkPad T550 and W550s Hardware Maintenance ManualOpen external site in a new tabScope: Combined Hardware Maintenance Manual applicable to ThinkPad T550 and ThinkPad W550s
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
85Codes 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
- 85
- 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
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.