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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM10246417000SO 8GB DDR4 2133MHz SODIMM Lenovo IdeaPad 320-15AST

SKU CH-N9JM-77APN

8GB DDR4 2133MHz SODIMM module with CL15 timing and 1.2V operation for Lenovo IdeaPad 320-15AST compatibility

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Memory timings15-15-15
  • Rated voltage1.2 V
  • 8 GB capacity expands multitasking headroom for Lenovo IdeaPad 320-15AST
  • DDR4 2133 MHz speed matches the laptop's memory controller
  • CL15 timing and 1.2 V voltage keep power draw low
  • 260-pin SODIMM form factor fits the single upgrade slot
  • Major-brand chipset with lifetime warranty from Computer Memory Solutions

Compatible Lenovo IdeaPad 320-15AST upgrade

This 8 GB DDR4 SODIMM is built specifically for the Lenovo IdeaPad 320-15AST laptop. It arrives as a single 260-pin module rated at 2133 MHz with CL15 timings. The non-ECC, unbuffered design matches the factory specification for straightforward installation.

Low voltage 1.2 V operation

Running at 1.2 V keeps power draw minimal and reduces heat inside the compact chassis. Without a heat spreader the module relies on the laptop’s existing airflow, so fan noise stays at the level the system was engineered for. The low-voltage DDR4 standard supports cooler, quieter everyday use.

Slim 260-pin form factor

The stick fits the single SODIMM slot without forcing or clearance issues. Major-brand chips and 2Rx8 organisation deliver reliable throughput for typical workloads. Buyers who want more storage or a second module cannot expand beyond the one socket this platform provides.

How it compares

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

Price $50.99
Cheaper than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.37 per GB
Cheaper than about 62% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246417000SO
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
Memory timings15-15-15
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo IdeaPad 320-15AST
In the box
Included items1Memory Ram Stick

Questions about this item

How do I install the 260-pin DDR4 SODIMM into the Lenovo IdeaPad 320-15AST and what step is often missed?

Power off the laptop, remove the bottom cover, insert the module at an angle until the gold contacts are fully hidden, then press down firmly until both side clips click into place; the step often missed is pressing down hard enough to engage both clips.

What maintenance or replacement will the 8GB DDR4 2133MHz module need over its service life?

No routine maintenance is required; the module has no heat spreader and no moving parts, so replacement is only necessary if a manufacturing defect appears or if the system later requires more than 8GB of memory.

What limit appears first when the CL15 1.2V unbuffered memory runs under sustained heavy workloads?

The 2133MHz speed and CL15 latency set the bandwidth ceiling, so throughput tops out before temperature or voltage become limiting factors in this unbuffered SODIMM.

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