LENOVO IdeaPad Y720 RAM upgrade specifications

LENOVO Y720 LENOVO Y720 LENOVO Y720 LENOVO Y720 LENOVO Y720

The Lenovo IdeaPad Legion Y720 supports DDR4-SDRAM memory upgrades with two SO-DIMM slots available for expansion. Maximum compatible RAM capacity reaches 32 GB total, with memory operating at 2400 MHz frequency. Upgrade specifications indicate SO-DIMM form factor modules required for this gaming laptop model. Current memory configuration and available slots permit modular RAM expansion to meet performance requirements.

Memory Upgrade Specifications

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2400 MHz
Maximum RAM32 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2400 (PC4-19200)
Bandwidth19.2 GB/s
Laptop Release date14 June 2017

Additional Notes

  • The 2400 MHz frequency limitation may create a bottleneck when paired with high-performance CPUs that could otherwise benefit from faster RAM speeds available in DDR4 specifications.
  • Installation of 32 GB total requires both SO-DIMM slots to be populated with 16 GB modules, eliminating future expansion capacity beyond this ceiling.
  • Mixing RAM modules with different speeds will force all installed memory to operate at the frequency of the slowest module, potentially downclocking faster RAM to 2400 MHz.
  • Single-channel configuration occurs when only 1 slot is populated, reducing memory bandwidth by approximately 50% compared to dual-channel operation with matched modules in both slots.
  • Non-standard voltage modules may cause POST failures or system instability, as DDR4 SO-DIMMs for this platform typically require 1.2V specification.
  • Third-party RAM installations generally preserve warranty coverage, but physical damage during installation or incompatible module usage could void protection for affected components.
  • The SO-DIMM form factor restriction prevents use of standard desktop DIMM modules, which are physically incompatible with laptop memory slots.
  • Systems shipped with lower-density modules (such as 4 GB or 8 GB sticks) must have existing RAM removed to reach 32 GB capacity, as only 2 physical slots exist.
  • ECC (Error-Correcting Code) SO-DIMM modules are incompatible with consumer-grade platforms like this model, despite sharing the DDR4 specification.
  • Latency timings (CAS latency) affect real-world performance independently of frequency, though this platform does not expose timing configuration in standard BIOS implementations.
  • Dual-rank modules may provide marginal performance improvements over single-rank modules at identical frequencies, though compatibility varies by specific CPU generation installed.
  • RAM operating above 2400 MHz will automatically downclock to match the supported frequency ceiling, offering no performance advantage despite higher rated specifications.