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Two green DDR3 SODIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions 4GB (2x2GB) DDR3 1333MHz CL7 SODIMM for iMac 21.5 2.7 Mid-2011

SKU CH-6NGE-252RQ

A 4 GB (2 × 2 GB) DDR3 1333 MHz CL7 SO-DIMM kit validated for the 21.5-inch iMac 2.7 Mid-2011

  • Capacity4GB (2 x 2GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 4GB dual-channel kit boosts iMac responsiveness
  • CL7 1333 MHz timing cuts latency for snappier multitasking
  • 204-pin SODIMM form factor matches Mid-2011 iMac slots exactly
  • Unbuffered non-ECC design ensures stable operation in Apple systems
  • 2Rx8 major-brand chips deliver reliable performance per module

Matched kit for mid-2011 iMac 21.5

This 4 GB kit contains two 2 GB DDR3 1333 MHz SODIMM modules built to the PC3 10600 standard. It is validated for the Apple iMac "Core i5" 2.7 21.5-inch Mid-2011 and installs in the factory SO-DIMM slots. The unbuffered, non-ECC design matches the original specification.

Everyday capacity with four-slot headroom

Two modules populate half the slots and leave two sockets free for a later upgrade to the 32 GB maximum the platform supports. The 4 GB total handles web browsing, office suites and light multitasking comfortably. Memory-intensive workloads such as virtual machines or large media libraries will exhaust the available RAM quickly.

CL7 timing at 1.5 V

The CAS latency of CL7 with 7-7-7 timing runs at the standard DDR3 voltage of 1.5 V. This combination delivers the responsiveness the memory controller expects without requiring voltage adjustments. Modules rated for higher latency or different voltage will not meet the platform timing requirements.

Helstu kostir

  • 4GB dual-channel kit boosts iMac responsiveness
  • CL7 1333 MHz timing cuts latency for snappier multitasking
  • 204-pin SODIMM form factor matches Mid-2011 iMac slots exactly
  • Unbuffered non-ECC design ensures stable operation in Apple systems
  • 2Rx8 major-brand chips deliver reliable performance per module

Tæknilýsing

BrandComputer Memory Solutions
ModelCM2566410600SODRH
Capacity4GB (2 x 2GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Imac "Core I5" 2.7 21.5-Inch (Mid-2011)
Package Content2 Memory RAM Sticks

Spurningar um þessa vöru

Will the CL7 1333MHz modules work with the original 1333MHz memory already in my Mid-2011 iMac?

Yes, the 1333MHz speed matches the iMac's native DDR3 rate so the new sticks will run alongside the factory modules without downclocking.

How can I verify the 4GB kit is recognised at 1333MHz CL7 after installation?

Open About This Mac → System Report → Memory; each slot should show 2GB, 1333MHz, DDR3 and the part number CM2566410600SODRH.

The box contains two 2GB SODIMM sticks — is any tool or extra cable needed to fit them?

Only a standard Phillips screwdriver is required to open the memory door; the 204-pin modules seat directly with no adapters.

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