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Two green 204-pin DDR3L SO-DIMM sticks without heat spreaders

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3L 1600 CL11 1.35V SO-DIMM memory upgrade

SKU CH-5Z7J-3WWRM

16 GB dual-channel DDR3L kit at 1600 MHz with CL11 timing for Dell Inspiron 17R 5721 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 for Dell Inspiron 17R 5721
  • DDR3L 1600 MHz CL11 runs at 1.35 V for lower power draw
  • 204-pin SO-DIMM form factor fits the notebook slots directly
  • Unbuffered non-ECC design matches the system memory architecture
  • 2Rx8 modules installed in pairs enable full dual-channel bandwidth

Compatible Dell Inspiron 17R 5721 Memory Kit

This 16GB kit contains two 8GB DDR3L SO-DIMM modules designed for the Dell Inspiron 17R 5721 series notebook. The memory runs at 1600MHz with CL11 timing and operates at a low 1.35V voltage. It arrives new as a matched pair for dual-channel operation.

Suits owners of this specific Dell model

Builders upgrading a compatible Inspiron 17R 5721 will receive guaranteed compatibility from the supplier. Users of any other laptop, desktop or server platform should look elsewhere because the modules are validated only for the listed system. The kit does not support ECC or registered memory configurations.

Dual-channel pair requirement

The notebook has two memory sockets and the supplier states that modules must be ordered and installed in pairs for dual-channel mode. This 2x8GB kit satisfies that requirement directly. A 64-bit operating system is needed to address the full 16GB capacity.

How it compares

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

Price $37.99
Cheaper than about 81% 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 $2.37 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 17R (5721) Series Notebook
In the box
Included items2 Memory RAM Sticks

Questions about this item

How much heat and power do the 1.35V DDR3L modules generate during continuous use?

The low 1.35V voltage reduces heat output and power draw compared to standard 1.5V DDR3, helping the Dell Inspiron 17R (5721) run cooler during all-day workloads.

What must my Dell Inspiron 17R (5721) already have to run this 2 x 8GB kit in dual-channel mode?

The notebook needs two free 204-pin SO-DIMM slots and a 64-bit operating system; the two modules must be installed as a matched pair to enable dual-channel operation.

Will these CL11 1600MHz sticks work alongside the original 4GB modules currently in my 5721?

The system maximum is 16GB across two sockets, so the existing 4GB modules must be removed; mixing capacities would exceed the limit and the board requires modules installed in matched pairs.

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