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Two green DDR3L SODIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3L 1600 CL11 1.35V MacBook Pro 13" Mid-2012

SKU CH-49T0-1432S

DDR3L 1600 dual-channel kit upgrades the 13-inch Mid-2012 MacBook Pro to 8 GB with 1.35 V CL11 modules

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 8GB dual-channel kit lifts multitasking headroom on Mid-2012 13" MacBook Pro
  • DDR3L 1600 CL11 at 1.35V matches factory memory specification exactly
  • 204-pin SO-DIMM form factor drops straight into the two factory slots
  • Two matched 4GB modules enable 128-bit bus width for full throughput
  • Major-brand DRAM chips validated for Apple MacBook Pro 9,2 A1278

Targeted MacBook Pro Upgrade

This 8 GB kit contains two 4 GB DDR3L SO-DIMM modules rated at 1600 MHz with CL11 timings. It is built for the 13-inch MacBook Pro with a 2.5 GHz Core i5 from mid-2012. The unbuffered, non-ECC design matches the factory specification for that model.

DDR3L Voltage and Speed Ceiling

The modules operate at 1.35 V, the lower voltage required by the DDR3L standard used in this MacBook. The PC3L-12800 rating sets the maximum data rate at 1600 MT/s; the system will not run the memory faster than this ceiling. CL11 latency is fixed by the SPD profile.

Straightforward Two-Stick Installation

Installation requires removing the bottom case and seating both 204-pin sticks into the two available slots. The kit supplies a matched pair, so single-channel operation is avoided. The only common issue is incomplete insertion; the retention clips must click fully to prevent boot failures.

How it compares

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

Price $83.99
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 $10.50 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 systemsApple Macbook Pro "Core I5 in 2.5 13 in Mid-2012
In the box
Included items2 Memory RAM Sticks

Questions about this item

Should I choose the 2 x 4 GB kit or a single 8 GB module for my MacBook Pro 13" Mid-2012?

The 2 x 4 GB kit enables dual-channel operation on the 13" Mid-2012 MacBook Pro, giving higher memory bandwidth than a single 8 GB stick would provide.

What does the 1600 MHz rating actually deliver once the modules are installed in this MacBook Pro?

The system will run the DDR3L memory at 1600 MHz with CL11 timings at 1.35 V, matching the factory specification for the Mid-2012 13" model.

How does the 204-pin SO-DIMM DDR3L interface limit performance in this machine?

The 204-pin DDR3L SO-DIMM interface caps throughput at the PC3L-12800 data rate, which is the maximum the Mid-2012 13" MacBook Pro memory controller supports.

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