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Two green DDR4 DIMM sticks, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR4 2666MHz CL19 DIMM memory upgrade for Lenovo Legion Y520 Tower D22

SKU CH-CFZG-76578

A 16 GB dual-channel DDR4 kit rated at 2666 MHz CL19 for the Lenovo Legion Y520 Tower D22

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 16 GB dual-channel kit boosts multitasking headroom
  • DDR4 2666 MHz speed matches system memory bus
  • CL19 19-19-19 timings deliver stable operation
  • 2 V low-voltage modules reduce power draw
  • Guaranteed compatible with Lenovo Legion Y520 Tower D22

Targeted upgrade for Lenovo Legion Y520 Tower D22

This 16 GB kit contains two 8 GB DDR4 modules rated at 2666 MHz with CL19 timings. The unbuffered, non-ECC DIMMs are built specifically for the Legion Y520 Tower D22 desktop, so they install without compatibility guesswork.

Low-voltage operation keeps thermals simple

Running at 1.2 V, the modules draw minimal power and produce little heat during everyday workloads. No heat spreaders are fitted, yet the standard DDR4 voltage ensures quiet, cool performance inside the chassis.

Straightforward 288-pin DIMM installation

Each stick uses the standard 288-pin layout and 2Rx8 organisation, matching the board’s two memory slots for a maximum of 32 GB. The plug-and-play design means no BIOS tuning is required; the system recognises the kit immediately.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $72.99
Cheaper than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $4.56 per GB
Cheaper than about 81% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM1024642666DIMM
Total capacity16 GB (2 × 8 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo« Legion Y520 Tower
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 288-pin DDR4 DIMMs in the Lenovo Legion Y520 Tower D22, and what step do people often get wrong?

Power off and unplug the tower, open the side panel, align each 288-pin DDR4 module with the slot notch, press firmly until both retention clips click, then verify the system shows the full 16GB in BIOS before closing the case.

What maintenance or replacement will this 16GB DDR4 2666MHz kit need over time?

The unbuffered non-ECC modules have no moving parts and require no scheduled maintenance; if a stick fails it is covered by the manufacturer's limited lifetime warranty, so you would simply replace the defective module.

What limit appears first when the memory runs under sustained load?

The CL19 timing at 1.2V sets the latency floor, and the motherboard's two-slot 32GB maximum caps total capacity, so sustained workloads hit the latency ceiling before any thermal or voltage ceiling.

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