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Green circuit board with black memory chips, 204-pin SODIMM form factor

Computer Memory Solutions

Computer Memory Solutions CM5126412800SOSRL 4GB DDR3L 1600MHz SODIMM memory upgrade Dell Inspiron 15 3520

SKU CH-SKM8-FTAKE

4GB DDR3L 1600MHz SODIMM module upgrades Dell Inspiron 15 3520 laptops with CL11 timing and 1.35V operation

  • Total capacity4 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • Guaranteed Dell Inspiron 15 3520 compatibility
  • 1600 MHz DDR3L speed for responsive multitasking
  • Low 1.35 V DDR3L voltage reduces power draw
  • CL11 11-11-11 timing keeps latency low
  • Single 4 GB 204-pin SODIMM installs in one slot

Targeted DDR3L upgrade

This 4 GB SODIMM runs at 1600 MHz with CL11 timing and 1.35 V voltage. The unbuffered, non-ECC module uses a 204-pin layout and major-brand chips. Computer Memory Solutions guarantees compatibility with the Dell Inspiron 15 3520 laptop.

Replaces slower or smaller DDR3L sticks

Swapping an existing 1600 MHz module for this kit keeps the same speed while adding capacity. The jump is worth it when the system currently runs a single 2 GB or 4 GB stick and the workload demands more headroom for multitasking.

Suits owners of the Inspiron 15 3520

Builders needing ECC, registered DIMMs, higher frequencies or voltages beyond 1.35 V should look elsewhere. The single 4 GB stick also leaves one slot free on the two-slot board, but buyers who want the full 8 GB maximum in one purchase must add a second module.

How it compares

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

Price $20.99
Cheaper than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.25 per GB
Cheaper than about 73% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126412800SOSRL
Total capacity4 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsDell Inspiron 15 (3520)
In the box
Included items1 Memory RAM Stick

Questions about this item

Does this 204-pin SODIMM fit the memory slot in a Dell Inspiron 15 3520?

Yes — the module is a 204-pin DDR3L SODIMM and the system specific listing confirms compatibility with the Inspiron 15 (3520).

What is the correct way to seat this DDR3L SODIMM, and what step do people often miss?

Align the notch on the gold edge with the key in the slot, insert at an angle until the pins are hidden, then press down evenly until both side clips snap into the notches on the module.

Will this 1.35 V DDR3L module need a voltage adjustment or replacement if I later upgrade the BIOS?

The stick runs at the standard 1.35 V for DDR3L and is unbuffered non-ECC; no voltage change is required and the module itself has no replaceable parts.

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