DELL Latitude 5401 RAM upgrade specifications

DELL 5401 DELL 5401 DELL 5401 DELL 5401 DELL 5401

Dell Latitude 5401 RAM upgrade specifications detail memory compatibility for the 5000 series model. The laptop supports DDR4-SDRAM memory with two SO-DIMM slots available for upgrades. Maximum RAM capacity reaches 32 GB total, with compatible memory modules operating at 2666 MHz frequency. SO-DIMM form factor specifications ensure proper physical and functional compatibility with the Dell Latitude 5401 upgrade slots.

Memory Upgrade Specifications

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2666 MHz
Maximum RAM32 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2666 (PC4-21328)
Bandwidth21.3 GB/s
Laptop Release date16 June 2019

Additional Notes

  • SO-DIMM form factor restricts the Dell Latitude 5401 to laptop-grade memory modules, making desktop DDR4 DIMMs physically incompatible with the 2 available slots regardless of capacity.
  • The 2666 MHz frequency specification represents a bandwidth ceiling; installing higher-frequency modules will downclock to this speed, eliminating any performance advantage from premium-tier memory at higher clock rates.
  • Two slots with 32 GB total capacity means each slot accepts maximum 16 GB modules; populating a single slot leaves substantial latency penalties compared to dual-channel operation across both slots.
  • DDR4-SDRAM compatibility is rigid within this generation; DDR5 memory modules cannot be mechanically inserted into DDR4 SO-DIMM slots, making any future upgrade to DDR5 contingent on motherboard replacement rather than memory alone.
  • SO-DIMM modules occupy minimal chassis space but suffer 5-10 nanosecond latency disadvantage versus full-size DIMMs due to electrical pathway length; this latency is permanent and cannot be compensated through frequency or timing adjustments.
  • Warranty protection typically extends to user-accessible SO-DIMM upgrades without requiring manufacturer service; installation outside factory specifications (incorrect voltage, timing profiles, or non-approved vendors) may void memory-related coverage.