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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

  • Capacity16GB (2 x 8GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 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.

Highlights

  • 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

Specifications

BrandComputer Memory Solutions
ModelCM1024642666DIMM
Capacity16GB (2 x 8GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo« Legion Y520 Tower
Package Content2 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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