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Two green DDR3L SODIMM sticks with black chips, 204 pins, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3L 1600 SODIMM for Dell Inspiron 15R 5521 memory upgrade

SKU CH-C5KW-MGWD1

A 16 GB DDR3L 1600 SODIMM kit for upgrading Dell Inspiron 15R 5521 notebooks

  • 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 lifts multitasking headroom
  • DDR3L 1600 MHz at 1.35 V cuts power draw
  • CL11 11-11-11 timing keeps latency low
  • 204-pin SODIMM fits Dell Inspiron 15R 5521 slots
  • Two 8 GB modules fill both sockets for max capacity

Targeted capacity upgrade

This kit delivers 16GB of DDR3L memory in a matched pair of 8GB SODIMMs built for the Dell Inspiron 15R 5521. It uses 204-pin unbuffered modules running at 1600MHz with CL11 timings. The 1.35V operating voltage matches the DDR3L standard required by this notebook.

Sustained workload behaviour

The 2Rx8 dual-rank organisation helps maintain bandwidth during extended multitasking or large dataset handling. CL11 latency and 11-11-11 timings provide consistent access speeds without aggressive tuning. Major-brand chipsets underpin reliable operation across long sessions.

Thermals and power profile

Low-voltage 1.35V modules reduce power draw compared to standard DDR3, limiting heat output inside the compact chassis. No heat spreaders are fitted, relying on the notebook’s existing airflow design. The unbuffered, non-ECC layout keeps electrical load modest for the memory controller.

How it compares

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

Price $36.99
Cheaper than about 82% 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 $2.31 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 systemsDell Inspiron 15R (5521)
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does the 1.35V DDR3L voltage run cooler than standard 1.5V DDR3 during all-day use?

Yes, the 1.35V DDR3L modules draw less power and generate less heat than 1.5V DDR3, helping the laptop stay cooler during extended sessions.

Must the Dell Inspiron 15R 5521 have both SODIMM slots free to install this 2x8GB kit?

The kit fills both of the 5521's two slots, so you simply replace whatever is currently installed; no extra parts or tools are required beyond a screwdriver.

Will the CL11 1600MHz sticks run at the speed of slower DDR3L modules already in the system?

Yes, the memory controller will down-clock the faster sticks to match the slowest module installed, so they work together at the lower speed.

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