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Computer Memory Solutions
Computer Memory Solutions 2GB (2x1GB) DDR2 533MHz PC2-4200 CL4 240-Pin DIMM Dell Dimension E520
A 2 GB dual-channel DDR2 kit rated at 533 MHz CL4 for Dell Dimension E520 desktops
- Capacity2GB (2 x 1GB)
- Type240-Pin DDR2 SDRAM
- SpeedDDR2 533 (PC2 4200)
- CAS LatencyCL4
- Timing4-4-4
- Voltage1.8V
- Guaranteed compatibility with Dell Dimension E520 desktops
- 2GB dual-channel kit using two 1GB DDR2 modules
- CL4 latency at 533 MHz for responsive DDR2 performance
- Unbuffered non-ECC design matches original system requirements
- 240-pin DIMM form factor installs directly into four available sockets
System-Specific DDR2 Kit
This 2GB kit contains two 1GB unbuffered DIMMs built for Dell Dimension E520 desktops. It uses 240-pin DDR2 SDRAM running at 533 MHz with CL4 timing and 1.8V operation. The non-ECC modules are designed as a direct upgrade for that platform.
PC2-4200 Speed Rating
The memory operates at the PC2-4200 standard with 4-4-4 timing and a 2Rx8 rank organisation. Major-brand chips are used on each 240-pin stick and no heat spreader is fitted. The rated speed decides whether the kit matches the motherboard's supported frequency.
Four-Slot Upgrade Path
The E520 provides four DIMM sockets and supports up to 8GB total, so this pair leaves two slots free for future expansion. Installation requires no BIOS changes beyond the standard DDR2 voltage setting. Buyers needing ECC or registered modules cannot use this kit.
Highlights
- Guaranteed compatibility with Dell Dimension E520 desktops
- 2GB dual-channel kit using two 1GB DDR2 modules
- CL4 latency at 533 MHz for responsive DDR2 performance
- Unbuffered non-ECC design matches original system requirements
- 240-pin DIMM form factor installs directly into four available sockets
Specifications
| Brand | Computer Memory Solutions |
|---|---|
| Model | CM128644200DIMMDR |
| Capacity | 2GB (2 x 1GB) |
| 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 | Dell Dimension E520 Series Desktop |
| Package Content | 2 Memory RAM Sticks |
Questions about this item
What does the 533 MHz DDR2 rating mean once the modules are installed in a Dell Dimension E520?
The 533 MHz rating sets the maximum data rate the memory controller will use; the system runs the kit at its native 533 MHz speed with CL4 timings.
Which interface standard do these 240-pin DIMMs follow and what does it limit in practice?
They follow the DDR2 PC2-4200 standard, which caps the peak transfer rate at the rated 533 MHz speed and 1.8 V operation.
What physical slot and spacing do the 240-pin DIMMs need to fit the E520?
They require standard 240-pin DDR2 DIMM slots; the E520 provides four such sockets for direct installation.
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