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Computer Memory Solutions
Computer Memory Solutions 4GB DDR3 1333MHz SO-DIMM for Apple iMac 21.5-inch 2.5GHz Core i5
4GB DDR3 1333MHz SO-DIMM module for 21.5-inch iMac 2.5GHz Core i5 systems
- Capacity4GB
- Type204-Pin DDR3 SO-DIMM
- SpeedDDR3 1333 (PC3 10600)
- CAS LatencyCL7
- Timing7-7-7
- Voltage1.5V
- 4GB capacity adds responsive multitasking headroom for everyday workloads
- 1333 MHz DDR3 speed matches the iMac 21.5-inch 2.5 GHz specification
- CL7 low latency tightens data access for snappier application response
- 204-pin SO-DIMM form factor fits the factory memory slots directly
- Tested compatible with iMac models including MC309LL/A and MC812LL/A
System-Specific DDR3 SO-DIMM
This 4 GB DDR3 1333 MHz SO-DIMM is built for Apple iMac 21.5-inch models with a 2.5 GHz Core i5 processor. It uses a 204-pin unbuffered non-ECC layout and runs at 1.5 V with CL7 timing. The module is validated for the MC309LL/A system identifier.
Steady-State Memory Behaviour
Major-brand chips and a 2Rx8 organisation keep data rates stable during extended workloads such as video rendering or large dataset processing. The CL7 7-7-7 timing profile maintains low latency without relying on aggressive voltage scaling, so throughput stays consistent when the system is under continuous pressure.
Mechanical Fit and Daily Use
A bare green PCB without a heat spreader slides cleanly into the iMac’s SO-DIMM slots, avoiding clearance issues with the factory cooling shroud. The single-stick packaging lets owners populate one of four sockets now and add matching modules later up to the 32 GB physical limit noted for compatible 21.5-inch and 27-inch models.
Põhijooned
- 4GB capacity adds responsive multitasking headroom for everyday workloads
- 1333 MHz DDR3 speed matches the iMac 21.5-inch 2.5 GHz specification
- CL7 low latency tightens data access for snappier application response
- 204-pin SO-DIMM form factor fits the factory memory slots directly
- Tested compatible with iMac models including MC309LL/A and MC812LL/A
Tehnilised andmed
| Brand | Computer Memory Solutions |
|---|---|
| Model | CM5126410600SODRH |
| Capacity | 4GB |
| Type | 204-Pin DDR3 SO-DIMM |
| Speed | DDR3 1333 (PC3 10600) |
| CAS Latency | CL7 |
| Timing | 7-7-7 |
| Voltage | 1.5V |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Rank | 2Rx8 |
| Chipset | Major Brand Chipset |
| Heat Spreader | No |
| Compatible System | Apple Imac 21.5-Inch 2.5Ghz Intel Core I5 |
| Package Content | 1 Memory RAM Stick |
Küsimused selle toote kohta
How much power does the 1.5 V DDR3 SO-DIMM draw when the iMac runs all day?
Standard DDR3 SO-DIMMs at 1.5 V typically consume a few watts under load; the module itself has no heat spreader and adds minimal heat to the iMac's internal airflow.
Does the 204-pin DDR3 1333 MHz module need any other parts to work in my iMac 21.5-inch 2.5 GHz Core i5?
No extra parts are required; the SO-DIMM installs directly into one of the four memory slots inside the iMac.
Can I keep the original Apple memory and add this 4 GB stick to reach 16 GB or the 32 GB maximum?
Yes, the iMac has four slots and supports up to 32 GB; you can mix this 4 GB module with existing sticks as long as the total does not exceed 32 GB.
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