Lenovo ThinkPad T15p Gen 3 upgrade guide
We have not confirmed whether the RAM can be upgraded on this model yet.
The SSD can be upgraded.
Parts that fit this laptop
Fit notes call out details that matter, including faster memory and SSD heatsinks.
Crucial T500 2TB
M.2 2280 · PCIe 4.0 NVMe · no heatsink · We have not confirmed the slot's interface. Check your laptop's manual before ordering.
Samsung 990 EVO Plus 2TB
M.2 2280 · NVMe · no heatsink · We have not confirmed the slot's interface. Check your laptop's manual before ordering.
Samsung 990 PRO 2TB
M.2 2280 · PCIe 4.0 NVMe · no heatsink · We have not confirmed the slot's interface. Check your laptop's manual before ordering.
WD_BLACK SN850X 1TB
M.2 2280 · PCIe 4.0 NVMe · no heatsink · We have not confirmed the slot's interface. Check your laptop's manual before ordering.
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.
Full specs and sources
Each value shows its status and links to the manufacturer's documentation once verified.
| Spec | Value | Status | Source |
|---|---|---|---|
| Memory type | DDR5-4800 non-ECC | Verified | |
| Memory slots | Two DDR5 SO-DIMM slots | Verified | |
| Maximum memory | 64GB | Verified | |
| SSD form factor | M.2 2280 | Verified | |
| Charger | 135W slim tip (3-pin) AC adapter | Verified | |
| Battery | 68Wh | Verified |
Did your upgrade work?
Real install feedback helps us flag surprises that a spec sheet misses.
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.