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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

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Timing11-11-11
  • Voltage1.35V
  • 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.

Highlights

  • 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

Specifications

BrandComputer Memory Solutions
ModelCM5126412800SOSRL
Capacity8GB (2 x 4GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Timing11-11-11
Voltage1.35V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemAlienware M17x R5 Notebook
Package Content2 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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