DELL Latitude 5491 RAM upgrade specifications
The Dell Latitude 5491 laptop features two SO-DIMM slots for memory expansion. The system supports DDR4-SDRAM memory operating at 2666 MHz frequency. Maximum RAM capacity reaches 32 GB total across both slots. Compatible upgrade modules must match the SO-DIMM form factor specifications. Current memory configuration and available slots determine upgrade capacity options for the Dell Latitude 5000 series model 5491.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 2x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2666 MHz |
| Maximum RAM | 32 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2666 (PC4-21328) |
| Bandwidth | 21.3 GB/s |
| Laptop Release date | 07 June 2018 |
Additional Notes
- DDR4-2666 MHz represents mid-range performance tier memory; newer DDR4 modules operating at 3200 MHz or higher will function but at reduced speed due to the system's memory controller ceiling, negating speed premiums paid for faster variants.
- 2 SO-DIMM slots with 32 GB maximum capacity indicate the platform supports dual-channel architecture; single-slot population will disable half the memory bandwidth, reducing system responsiveness during multi-threaded workloads.
- SO-DIMM form factor restricts upgrades to laptop-specific modules; desktop DDR4 UDIMM modules cannot physically install, and attempting forced installation risks permanent socket damage.
- Symmetric configuration with matched frequency and timing values on both slots optimizes performance; mixing single-rank and dual-rank modules or mismatched frequencies may trigger BIOS throttling or instability despite technical compatibility.
- 2666 MHz specification suggests the platform predates DDR4 standardization on 3200 MHz; memory modules manufactured after 2019 may contain revised voltage profiles or CAS latency structures requiring BIOS validation before boot completion.
- 32 GB aggregate ceiling means maximum viable upgrade path involves 2x16 GB SO-DIMM modules; no future expandability exists beyond this point, requiring replacement rather than addition for capacity growth.
- Stock configuration likely shipped with 8 GB or 16 GB; removing factory modules to install higher-capacity replacements may void warranty coverage if original components are discarded rather than retained per manufacturer retention policies.