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Lenovo ThinkPad P15s Gen 1 20T5 Memory Upgrades | Seifelden

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Lenovo ThinkPad P15s Gen 1 20T5Memory Upgrades

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4 guaranteed-fit options

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Lenovo ThinkPad P15s Gen 1 20T5, installs the safe updates Windows offers, guides the rest to the official download — and confirms exactly which of the upgrades above your machine has room for.

Guaranteed-fit promise

Every kit is matched to your machine's slots and checked against its published specs before we list it.

System at a glance

Memory type: DDR4
Slots: 1
Max memory: 48 GB

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System specifications for Lenovo ThinkPad P15s Gen 1 20T5

Specifications reported for the Lenovo ThinkPad P15s Gen 1 20T5.

Memory type: DDR4
Form factor: SODIMM
Memory slots: 1
Maximum memory: 48GB
Max per slot: 48GB
Rated speed: 2666 MT/s
ECC: none

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

Details & what it sends