Crucial 64GB Kit (2x32GB) DDR4-3200
CT2K32G4SFD832A
DDR43200MHz64GBSO-DIMMECC
RAM for Dell Precision 5550 (P91F)
Model Years: 2020–2021
Max RAM: 64GBRAM Slots: 2RAM Type: DDR4 2933MHz
✓ RAM Upgradeable
Quick answer
Our data matches the Dell Precision 5550 (P91F) with Crucial 64GB Kit (2x32GB) DDR4-3200 (DDR4, SO-DIMM, 3200MHz, 64GB); Crucial 32GB Kit (2x16GB) DDR4-3200 (DDR4, SO-DIMM, 3200MHz, 32GB); Samsung 32GB DDR4-2933 SODIMM (DDR4, SO-DIMM, 2933MHz, 32GB), plus 3 more options listed below.
Supported memory profile: DDR4, SO-DIMM, 2933MHz, up to 64GB max, 2 slots.
Before buying, confirm your exact model number, memory generation, form factor (SO-DIMM), speed, and maximum supported capacity. Live eBay listings are shown below and may change.
Compatible RAM for the Dell Precision 5550
Listings and prices are pulled from eBay and may change. Always verify compatibility before purchase. Listings are updated daily.
HIGH
Crucial 32GB Kit (2x16GB) DDR4-3200
CT2K16G4SFRA32A
DDR43200MHz32GBSO-DIMMECC
Crucial 32GB Kit (2x16GB) DDR4-3200
9 listings
Samsung 32GB DDR4-2933 SODIMM
M471A4G43MB1
DDR42933MHz32GBSO-DIMMECC
Samsung 32GB DDR4-2933 SODIMM
9 listings
Crucial 32GB DDR4-3200 SODIMM
CT32G4SFD832A
DDR43200MHz32GBSO-DIMM
Crucial 32GB DDR4-3200 SODIMM
8 listings
Crucial 16GB DDR4-3200 SODIMM
CT16G4SFRA32A
DDR43200MHz16GBSO-DIMM
Crucial 16GB DDR4-3200 SODIMM
7 listings
Samsung 8GB DDR4-2933 SODIMM
M471A1K43DB1
DDR42933MHz8GBSO-DIMMECC
Samsung 8GB DDR4-2933 SODIMM
9 listings
Frequently Asked Questions
What RAM fits the Dell Precision 5550 (P91F)?
Based on our compatibility data, the Dell Precision 5550 (P91F) supports DDR4, SO-DIMM, 2933MHz, up to 64GB max, 2 slots. Matched modules include Crucial 64GB Kit (2x32GB) DDR4-3200 (DDR4, SO-DIMM, 3200MHz, 64GB); Crucial 32GB Kit (2x16GB) DDR4-3200 (DDR4, SO-DIMM, 3200MHz, 32GB); Samsung 32GB DDR4-2933 SODIMM (DDR4, SO-DIMM, 2933MHz, 32GB); Crucial 32GB DDR4-3200 SODIMM (DDR4, SO-DIMM, 3200MHz, 32GB); Crucial 16GB DDR4-3200 SODIMM (DDR4, SO-DIMM, 3200MHz, 16GB); Samsung 8GB DDR4-2933 SODIMM (DDR4, SO-DIMM, 2933MHz, 8GB). Always confirm your exact model number before purchasing.
How do I verify RAM compatibility?
Check that your device label or manual shows P91F (or Precision 5550). Confirm memory generation, form factor (SO-DIMM), speed, slot count, and maximum supported capacity match the specs on this page before ordering.
Can I mix RAM speeds or capacities?
Many systems run best with matched pairs (same capacity and speed). Mixing capacities or speeds may work but can force lower speeds or single-channel mode — check your OEM documentation.
Are these listings live and current?
Current eBay listings for compatible RAM modules are shown below. Prices and availability change frequently — verify listing details and seller ratings before you buy.
RAM Upgrade Guide for the Dell Precision 5550
This device uses DDR4 at 2933MHz. Maximum supported capacity is 64GB.
This model has 2 RAM slots. Installing matched pairs (dual-channel) gives the best performance — use identical capacity modules in both slots.
Always power off and unplug your device before installing RAM. Ground yourself to avoid static discharge.