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Computer Memory Solutions
Computer Memory Solutions CM256644200DIMMDR 4GB (2x2GB) DDR2 533MHz PC2-4200 DIMM
A 4 GB matched pair of DDR2 533 MHz DIMMs validated for Apple Power Mac G5 Quad Core 2.5 GHz systems
- Capacity4GB (2 x 2GB)
- Type240-Pin DDR2 SDRAM
- SpeedDDR2 533 (PC2 4200)
- CAS LatencyCL4
- Timing4-4-4
- Voltage1.8V
- 4GB total capacity delivered as a matched 2x2GB kit
- DDR2 533MHz PC2-4200 speed rated for CL4 4-4-4 timing
- 8V unbuffered non-ECC 240-pin DIMM modules
- Guaranteed compatible with Apple Power Mac G5 Quad Core 2.5GHz M9592LL/A
- Lifetime warranty from Computer Memory Solutions
System-specific DDR2 kit
This 4 GB kit contains two 2 GB unbuffered DIMMs built to the DDR2 533 standard. It is designed for Apple Power Mac G5 models from late 2005 that require 240-pin PC2-4200 memory running at 1.8 V.
240-pin DDR2 533 interface
The modules use a 240-pin DDR2 SDRAM interface clocked at 533 MHz with CL4 4-4-4 timings. Only systems that accept PC2-4200 non-ECC DIMMs at this exact pin count and voltage will recognise the kit.
Steady operation at rated speed
Under continuous load the sticks maintain their specified 533 MHz frequency and 1.8 V supply without throttling. Builders who need ECC protection or registered buffering must choose a different module type.
Highlights
- 4GB total capacity delivered as a matched 2x2GB kit
- DDR2 533MHz PC2-4200 speed rated for CL4 4-4-4 timing
- 8V unbuffered non-ECC 240-pin DIMM modules
- Guaranteed compatible with Apple Power Mac G5 Quad Core 2.5GHz M9592LL/A
- Lifetime warranty from Computer Memory Solutions
Specifications
| Brand | Computer Memory Solutions |
|---|---|
| Model | CM256644200DIMMDR |
| Capacity | 4GB (2 x 2GB) |
| Type | 240-Pin DDR2 SDRAM |
| Speed | DDR2 533 (PC2 4200) |
| CAS Latency | CL4 |
| Timing | 4-4-4 |
| Voltage | 1.8V |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Rank | 2Rx8 |
| Chipset | Major Brand Chipset |
| Heat Spreader | No |
| Compatible System | Apple Power Mac G5 Quad Core 2.5Ghz M9592Ll/A |
| Package Content | 2 Memory RAM Sticks |
Questions about this item
What does the PC2-4200 rating mean once the memory is installed in a Power Mac G5?
PC2-4200 indicates DDR2-533 speed with a 4-4-4 timing profile, matching the G5's memory bus so the system can address the full 4 GB kit without downclocking.
Which memory standard and pin layout does this kit use?
It uses 240-pin DDR2 SDRAM DIMMs, the physical and electrical interface required by the Power Mac G5 models listed.
What physical space and slot count are needed to install the kit?
Two adjacent 240-pin DIMM slots are required; the G5 Quad 2.5 GHz and Dual 2.0/2.3 GHz (Late 2005) each provide eight such slots.
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