Model guide
Lenovo ThinkPad P1 Gen 4 upgrade guide
We have not confirmed whether the RAM can be upgraded on this model yet.
The SSD can be upgraded.
MemoryDDR4 SO-DIMM
RAM slotsTwo DDR4 SO-DIMM slots
Max RAM64GB
SSD interfacePCIe NVMe, PCIe 4.0 x4
Charger230W slim tip (3-pin) AC adapter
Compatible upgrades
Parts that fit this laptop
Fit notes call out details that matter, including faster memory and SSD heatsinks.
Read the fit note on each drive. It covers details a spec sheet skips, like heatsinks and slower slots.
WD_BLACK SN850X 1TB with heatsink
M.2 2280 · PCIe 4.0 NVMe · with heatsink · This drive has a heatsink. We have not confirmed the clearance in this laptop, so check it before installing.
Fits · check heatsink
Documented details
Full specs and sources
Each value shows its status and links to the manufacturer's documentation once verified.
| Spec | Value | Status | Source |
|---|---|---|---|
| Memory type | DDR4 SO-DIMM | Verified | |
| Memory slots | Two DDR4 SO-DIMM slots | Verified | |
| Maximum memory | 64GB | Verified | |
| SSD form factor | M.2 2280 | Verified | |
| SSD interface | PCIe NVMe, PCIe 4.0 x4 | Verified | |
| Charger | 230W slim tip (3-pin) AC adapter | Verified | |
| Battery | 90Wh | Verified |
Help other owners
Did your upgrade work?
Real install feedback helps us flag surprises that a spec sheet misses.
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— reported a problem
Common questions
Before you open the cover
Short answers to the details most likely to affect your purchase.
Will upgrading void my warranty?
Warranty terms depend on your region and the cause of any damage. Read Lenovo's current terms and follow its service manual before working inside the laptop.