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Green 204-pin DDR3L SO-DIMM with black chips, single-sided layout

SK hynix

SK hynix 4GB DDR3L 1600 CL11 1.35V 1Rx8 204-pin laptop RAM

SKU CH-N7C4-HRSAX

4GB DDR3L SO-DIMM laptop memory running at 1600MHz with CL11 latency and low 1.35V voltage

  • Total capacity4 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit
  • Low-voltage 1.35V DDR3L cuts power draw
  • 1600MHz speed lifts everyday responsiveness
  • CL11 latency keeps data flowing smoothly
  • Single-rank 1Rx8 layout aids stability
  • 204-pin SO-DIMM fits standard laptop slots

4GB DDR3L laptop module

This 4GB DDR3L SO-DIMM runs at 1600MHz with CL11 timings and 1.35V operation. It suits owners of older notebooks that require low-voltage DDR3 memory for a straightforward capacity increase.

Low voltage thermals and power

The 1.35V rating reduces heat output compared to standard 1.5V DDR3, helping keep internal temperatures modest during typical workloads. Unbuffered, non-ECC design adds no extra controller overhead, so power draw stays minimal in everyday use.

Single-rank 1Rx8 organisation

The module uses a single-rank 1Rx8 layout, which determines how the memory controller addresses the chips. Buyers needing dual-rank density or ECC error correction should look elsewhere, as this stick provides neither.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 95% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $2.75 per GB
Cheaper than about 92% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameHynix
Model name204
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Power
Rated voltage1.35 V

Questions about this item

How do I install this 204-pin SO-DIMM and which step do people often get wrong?

Align the notch with the slot key, insert at an angle, then press down firmly until both side clips snap shut; the step often missed is pushing hard enough to engage both clips.

What maintenance or replacement will this 1.35V DDR3L module need later?

No routine maintenance is required; replacement is only necessary if the module fails or if the system is upgraded to a platform that uses a newer memory generation.

What limit appears first when this CL11 1600MHz kit runs under sustained load?

The CAS latency of CL11 at 1600MHz sets the timing boundary; sustained workloads will hit this latency limit before any thermal throttle on standard laptop modules.

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