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Green circuit board with black chips, 260-pin DDR4 SODIMM module

Computer Memory Solutions

Computer Memory Solutions CM1024642400SO 8GB DDR4 2400 SODIMM ThinkPad 13 E490 E490s E590 V510z

SKU CH-7VP9-9R1WV

8 GB DDR4 2400 SO-DIMM upgrade for ThinkPad 13, E490, E490s, E590 and V510z All-in-One

  • Total capacity8 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 8GB DDR4 2400MHz module upgrades compatible ThinkPad systems
  • CL17 timing and 1.2V operation deliver responsive multitasking performance
  • 260-pin SO-DIMM form factor fits 13, E490, E490s, E590 and V510z models
  • 2Rx8 unbuffered design with major brand chipset ensures reliable operation
  • Single 8GB stick supports dual-channel configuration up to 32GB total capacity

Compatible ThinkPad Upgrade

This 8 GB DDR4 SO-DIMM is built for the ThinkPad 13, E490, E490s, E590 and V510z All-in-One. It targets owners of those models who need a straightforward memory increase without compatibility guesswork. The module runs at 2400 MHz with CL17 timing at 1.2 V.

Single-Stick Kit Impact

The package contains one 260-pin unbuffered stick, so the upgrade adds a single rank of 2Rx8 capacity. If the second slot is already occupied, all memory will operate at the speed of the slowest module or the processor limit. No heat spreader is included, matching the original factory design.

Slot Installation Notes

Installation requires opening the service hatch and seating the module into one of the two SODIMM sockets. The main risk is incomplete insertion, which causes a no-post condition. The system supports up to 32 GB total, so this 8 GB stick leaves room for a second module if needed.

How it compares

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

Price $38.99
Cheaper than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.87 per GB
Cheaper than about 78% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM1024642400SO
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
Memory timings17-17-17
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo ThinkPad 13, ThinkPad E490, ThinkPad E490s, ThinkPad E590, V Series V510z All-in-One
In the box
Included items1 Memory RAM Stick

Questions about this item

Will the 2Rx8 rank configuration ever need to be changed as the laptop ages?

The module uses a fixed 2Rx8 layout that does not wear out; no rank adjustment or replacement is required during the system's life.

What caps performance first when the SODIMM runs continuously at 2400 MHz?

The CL17 timing and 1.2 V voltage set the electrical ceiling; the memory controller cannot push latency lower or frequency higher than the rated DDR4-2400 specification.

How much heat or fan noise does the stick add during all-day workloads?

With no heat spreader and a standard 1.2 V unbuffered design, thermal output stays low enough that the laptop's existing cooling handles it without extra noise.

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