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Two green DDR3 SODIMM sticks, 204-pin, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3-1333 SODIMM for iMac 21.5" 2010

SKU CH-NYG0-2NEMA

8GB kit of two 4GB DDR3-1333 SODIMM modules for the 21.5-inch 2010 iMac

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8 GB total capacity from two 4 GB modules
  • DDR3-1333 speed with CL7 latency for responsive performance
  • 204-pin SO-DIMM form factor fits the iMac 21.5" Mid-2010
  • 5 V unbuffered non-ECC design matches original specification
  • Guaranteed compatibility with iMac Core i3 3.2 MC509LL/A

DDR3 1333 SODIMM kit for 2010 iMac

This 8 GB kit contains two 4 GB unbuffered non-ECC modules built to the DDR3 1333 PC3 10600 standard. They use the 204-pin SO-DIMM form factor and run at 1.5 V with CL7 7-7-7 timings. The kit is validated for the 21.5 inch Mid-2010 iMac with a 3.2 GHz Core i3 processor (model MC509LL/A).

Two matched modules enable dual-channel operation

Supplying a pair of identical sticks lets the memory controller run in dual-channel mode, which increases usable bandwidth compared with a single module. The 2Rx8 rank organisation and major-brand chipset are selected to meet the iMac's timing requirements without manual configuration.

Suits owners restoring a Mid-2010 21.5 inch iMac

Buyers needing more than 8 GB or wanting ECC error correction should look elsewhere, as this kit is non-ECC and limited to two 4 GB modules. Systems that require registered or buffered memory, or a different pin count or voltage, are not compatible.

How it compares

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

Price $39.99
Cheaper than about 80% 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 $5.00 per GB
Cheaper than about 77% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126410600SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsApple Imac "Core I3 in 3.2 21.5 in (Mid-2010) Mc509Ll/A
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the CL7 timing on these 1.5V DDR3 SODIMMs need adjustment after installation?

The modules run at CL7 7-7-7 timings at 1.5V; the iMac firmware sets these automatically so no manual adjustment is required.

What capacity ceiling will I hit first when filling all four slots?

The iMac 21.5-inch Mid-2010 supports a maximum of 16GB across its four sockets, so adding this 8GB kit leaves room for another 8GB if needed.

How much heat do these unbuffered non-ECC sticks produce during all-day workloads?

Without a heat spreader the 1.5V DDR3-1333 modules run at standard JEDEC power levels; the iMac's internal airflow is designed to handle that thermal load continuously.

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