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Two green circuit boards with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 12800 1600MHz NON ECC SODIMM Alienware M17x R5 memory upgrade A24

SKU CH-1BG2-T3WAJ

8GB DDR3L kit (2×4GB) at 1600MHz CL11 1.35V for Alienware M17x R5 notebook

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 8 GB dual-channel kit boosts multitasking headroom
  • DDR3L 1600 MHz CL11 timing matches Alienware M17x R5 spec
  • Low 1.35 V DDR3L voltage reduces heat and power draw
  • Two 4 GB unbuffered SODIMMs install in the four available slots
  • Major-brand chipset and lifetime warranty ensure long-term reliability

Compatible Alienware M17x R5 memory

This 8 GB kit is built specifically for the Alienware M17x R5 notebook. It contains two 4 GB SODIMM modules that install directly into the laptop's memory slots. The kit suits owners who want to restore or increase system memory without compatibility guesswork.

DDR3L 1600 unbuffered SODIMM details

Each module uses a 204-pin DDR3L interface running at 1.35 V with CL11 timing. The sticks are unbuffered, non-ECC and carry major-brand chips without heat spreaders. Two modules fill two of the four available sockets, leaving room for further expansion up to the platform limit. Buyers who need ECC or registered memory cannot use this kit.

Low-voltage operation and thermals

The 1.35 V DDR3L rating keeps power draw modest during normal workloads. With no heat spreaders, the modules rely on the notebook's internal airflow for cooling. Silent operation is maintained because there are no active cooling components on the memory itself.

How it compares

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

Price $82.99
Cheaper than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $10.37 per GB
Pricier than about 54% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126412800SOSRL
Total capacity8 GB (2 × 4 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 systemsAlienware M17x R5 Notebook
In the box
Included items2 Memory RAM Sticks

Questions about this item

What does the DDR3L 1600 (PC3L 12800) rating mean for actual transfer speed?

The PC3L 12800 designation indicates a maximum theoretical bandwidth of 12,800 MB/s at 1,600 MHz. Real-world throughput is lower due to latency and controller overhead.

Will these 204-pin SO-DIMM sticks fit the four memory slots in my Alienware M17x R5?

Yes. The kit contains two 204-pin DDR3L SO-DIMM modules. The Alienware M17x R5 provides four SO-DIMM sockets, so both sticks install directly without adapters.

How do I install the pair correctly, and what mistake should I avoid?

Power off and unplug the notebook. Insert each module at a 30° angle into a slot until the gold contacts disappear, then press down until the side clips click. The common error is stopping before the clips engage, leaving the stick loose.

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