We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Two green DDR4 SODIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 32GB (2x16GB) DDR4 2666MHz CL19 SODIMM for Lenovo Legion Y740 D39

SKU CH-K5RY-WCB7H

A 32GB DDR4 SODIMM kit of two 16GB modules at 2666MHz CL19 for Lenovo Legion Y740 laptops

  • Capacity32GB (2 x 16GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 32 GB total capacity from two matched 16 GB modules
  • DDR4 2666 MHz speed rated at PC4 21300 bandwidth
  • CL19 CAS latency with 19-19-19 timing for stable operation
  • 2 V low-voltage unbuffered design runs cool in laptops
  • Guaranteed compatible with Lenovo Legion Y740 15 and 17 inch models

Legion Y740 memory upgrade

This 32 GB kit uses two 16 GB DDR4 SODIMM modules rated at 2666 MHz with CL19 timings. It is built specifically for Lenovo Legion Y740-17IRHg, Y740-15IRH and Y740-15IRHg laptops. The unbuffered non-ECC design matches the factory specification for these systems.

Thermals and power in daily use

Each module runs at the standard 1.2 V DDR4 voltage, keeping power draw low during typical workloads. The low-profile form factor has no heat spreader, so it fits under the stock chassis cover without airflow changes. Noise and temperature remain at the laptop's normal baseline.

When the jump makes sense

This kit replaces the original memory when the system shipped with less than 32 GB total capacity. It fills both SODIMM sockets, so it is not suited for buyers who want to keep an existing module and add only one stick. A 64-bit operating system is required to address the full amount.

Highlights

  • 32 GB total capacity from two matched 16 GB modules
  • DDR4 2666 MHz speed rated at PC4 21300 bandwidth
  • CL19 CAS latency with 19-19-19 timing for stable operation
  • 2 V low-voltage unbuffered design runs cool in laptops
  • Guaranteed compatible with Lenovo Legion Y740 15 and 17 inch models

Specifications

BrandComputer Memory Solutions
ModelCM2048642666SO
Capacity32GB (2 x 16GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo Legion Y740-17IRHg, Y740-15IRH, Y740-15IRHg
Package Content2 Memory RAM Sticks

Questions about this item

How do I install the 260-pin DDR4 SODIMM sticks into my Lenovo Legion Y740, and which step do people often miss?

Power off and unplug the laptop, remove the bottom panel, insert each 16 GB stick at an angle into the two SODIMM slots until the side clips click, then reassemble; the step many miss is seating both modules fully so the clips engage on both sides.

What maintenance or replacement will this 32 GB kit need over time?

No routine maintenance is required; the modules carry a limited lifetime warranty against manufacturing defects, so replacement would only be needed if a stick fails or you later upgrade beyond the 32 GB maximum the Y740 supports.

What limit appears first when the memory runs at 2666 MHz CL19 under sustained heavy workloads?

The CAS latency of 19 cycles at 1.2 V is the primary timing constraint; the memory controller will not exceed the rated 2666 MT/s, so bandwidth and latency stay fixed at those specifications during prolonged use.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

More in System Specific Memory

Similar items

Same shelf, same checkout — eight coins and a 30-minute rate lock.