Lenovo / ThinkPad / W Series
ThinkPad W550s
ThinkPad W550s platform specifications based on Lenovo PSREF.
- Scope
- Product generation / platformPSREF verified
- Machine Type
- 20E1 / 20E2
- Model / MTM
- 71Official Models verifiedDirect specifications: Not collected
Buying and service essentials
Verified in official sourcesCheck before buying
- Model / MTM
- Not collected71 Models entries verified
- CPU / GPU
- 5th Generation Intel Core i5 / Core i73 CPU options / Intel HD Graphics 5500 / Platform option / dGPU: NVIDIA Quadro K620M (configuration-dependent)
- Display
- 1920x1080 / 2880x16203 platform options / Non-touch / Multi-touch
- WWAN
- Configuration-dependentRetrofit conditions apply
Upgrades and repair
- Memory
- DDR3L-1600 / SocketedSO-DIMM: 2 / maximum 32 GB
- Storage
- 2.5-inch 7mm SATA HDD or SSD or SSHD / Single-sided M.2 SSDSATA 6.0Gb/s / M.2 SATA 6.0Gb/s / maximum simultaneous device count not recorded
- Power
- Slim tipAC adapter: 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 or SSD or SSHD / 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 i5-5300UOpen external site in a new tab | Intel HD Graphics 5500 | 2 / 4 | 2.30 GHz | 2.90 GHz |
| Intel Core i7-5500UOpen external site in a new tab | Intel HD Graphics 5500 | 2 / 4 | 2.40 GHz | 3.00 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 Quadro K620M | 2 GB | Configuration-dependent |
- Notes
- NVIDIA Optimus switches between the documented Intel and NVIDIA graphics.
These are platform configuration options, not the GPU installed in an individual MTM.
Memory
- Type
- DDR3L-1600
- Maximum capacity
- 32 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 / M.2 SATA 6.0Gb/s
- Supported form factors
- 2.5-inch 7mm SATA HDD or SSD or SSHD
- Single-sided M.2 SSD
- Physical slots
- Not recorded
- Upgrade / replacement
- Not recorded
- Configuration constraints / exclusions
- The selected 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 FHD IPS
15.6-inch1920x1080 Non-touch IPS / 300 nits anti-glare 3K IPS
15.5-inch2880x1620 Non-touch IPS / 350 nits anti-glare 3K IPS multi-touch
15.5-inch2880x1620 Multi-touch IPS / 315 nits anti-glare
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
- Slim tip
- Wattage
- 65 W
Wireless and WWAN
- WLAN options
- 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
- Sierra Wireless EM7345 LTE
- Notes
- Availability varies by listed platform configuration.
Ports and docking
- Ports
- 3x USB 3.0
- VGA
- Mini DisplayPort
- Ethernet RJ-45
- 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
- Non-touch model with external 3-cell battery
- 2.17 kg / Starting weight
- Multi-touch model with external 3-cell battery
- 2.36 kg / Starting weight
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
71Codes 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
- 71
- 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.