Lenovo - ThinkPad P53

Standard

8 GB (Removable)

16 GB (Removable)
Maximum

128 GB non-ECC SODIMM

128 GB ECC SODIMM (64GB w/current Kingston products)

See memory upgrades

8GB Standard:

8 GB

16GB Standard:

8 GB

Bus Architecture

USB 2.0/3.x Type-A

Flash - SDXC

SSD - SATA 2.5-inch 7mm

USB 2.0/3.x Type-C

SSD - M.2 NVMe

See storage upgrades

4 Socket(s)

Intel Core i5 9400H Intel CM246

Intel Core i7 9850H Intel CM246

Intel Core i9 9889H Intel CM246

Intel Xeon E-2276M Intel CM246

20QNxxx; 20QQxxx

ECC

Configurations up to 64GB can be reached using any combination of Kingston's 8 and 16GB modules.
Non-ECC

Configurations up to 128GB can be reached using any combination of Kingston's 4, 8, 16, and 32GB modules.

Intel Xeon processors can use either ECC or non-ECC SOIMMs. Mixing ECC and non-ECC modules is not recommended. Intel Core i5, i7, or i9 processors require ONLY non-ECC SODIMM.