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Two green DDR3L SODIMM modules with black chips and gold contacts

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3L 1600MHz SODIMM memory upgrade for Lenovo Thinkpad W550S

SKU CH-HEK0-DNHQ4

16 GB DDR3L SODIMM kit (2 × 8 GB) at 1600 MHz CL11 1.35 V for Lenovo ThinkPad W550S

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 16 GB dual-channel kit upgrades Lenovo ThinkPad W550S
  • DDR3L 1600 MHz CL11 timing at 1.35 V for low-power operation
  • 2 × 8 GB unbuffered non-ECC SODIMM modules install in 204-pin slots
  • Major-brand chipset ensures stable performance under load
  • Compatibility guaranteed for ThinkPad W550S with up to 32 GB total capacity

16GB DDR3L kit for ThinkPad W550S

This 16 GB kit contains two 8 GB DDR3L SODIMM modules rated at 1600 MHz with CL11 timings. It is built specifically for the Lenovo ThinkPad W550S and runs at 1.35 V without ECC or registered buffers.

Check your ThinkPad W550S slots and limit

The W550S accepts up to 32 GB across four SODIMM sockets. Confirm how many slots are free and whether the existing modules are also DDR3L 1.35 V before ordering. Mixing voltages or exceeding the 32 GB ceiling will prevent the system from booting.

Low-voltage operation keeps thermals modest

DDR3L at 1.35 V draws less power than standard DDR3, so the modules run cooler inside the compact W550S chassis. No heat spreaders are fitted, relying on the laptop’s existing airflow. Expect quiet, stable operation under normal workloads.

How it compares

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

Price $39.99
Cheaper than about 80% 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 $2.50 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246412800SODRL
Total capacity16 GB (2 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsLenovo Thinkpad W550S
In the box
Included items2 Memory RAM Sticks

Questions about this item

What comes in the package and is anything else needed for installation?

The package contains two 8 GB DDR3L SODIMM modules totalling 16 GB; no extra parts are required to install them in the ThinkPad W550S.

Should I pick this 16 GB kit or a different capacity for the W550S?

This 16 GB (2 x 8 GB) kit matches the system’s four-slot layout and leaves room to reach the 32 GB maximum later if required.

What does the 1600 MHz rating mean once the memory is running in the W550S?

The modules operate at DDR3L 1600 (PC3L 12800) with CL11 timing at 1.35 V, delivering the rated bandwidth in the W550S.

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