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Two green DDR2 DIMM modules with black chips, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 4GB (2x2GB) DDR2 533MHz PC2-4200 CL4 240-Pin DIMM Kit for Dell Dimension E520

SKU CH-W2JV-B3PJX

A 4 GB DDR2 kit of two 240-pin DIMMs rated at 533 MHz PC2-4200 CL4 for Dell Dimension E520 desktops

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR2 533 (PC2 4200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL4
  • Memory timings4-4-4
  • Rated voltage1.8 V
  • 4GB dual-channel kit upgrades Dell Dimension E520
  • DDR2 533MHz CL4 timing matches system specification
  • Non-ECC unbuffered DIMMs install without configuration
  • 240-pin form factor fits motherboard slots directly
  • Major-brand chips deliver tested reliability

Dell Dimension E520 Memory Kit

This 4 GB kit contains two 2 GB DDR2 DIMMs built specifically for the Dell Dimension E520 desktop. Each module runs at 533 MHz with CL4 timings and operates at the standard 1.8 V. The unbuffered, non-ECC design matches the original system requirements exactly.

Upgrade From 2 GB Or Mismatched Modules

The kit replaces a single 2 GB stick or a mixed pair that forces the board to run at lower speeds. Adding the second matched module enables dual-channel operation across the four available sockets. The jump is worthwhile when the current total sits below the 8 GB ceiling and the system feels sluggish with multiple applications open.

Handles Everyday Desktop Loads

Two gigabytes per module give comfortable headroom for web browsing, office suites and media playback on this platform. The 8 GB maximum supported by the motherboard caps further expansion, so heavy virtualisation or large photo batches will exhaust the available address space. Buyers who want more storage or integrated graphics memory will not find it here.

How it compares

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

Price $16.99
Cheaper than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $4.25 per GB
Cheaper than about 83% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256644200DIMMDR
Total capacity4 GB (2 × 2 GB)
Product type240-Pin DDR2 SDRAM
Performance
Rated speedDDR2 533 (PC2 4200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL4
Memory timings4-4-4
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Compatible systemsDell Dimension E520 Series Desktop
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I mount the 240-pin DIMMs in the Dell Dimension E520?

Align the notch on each module with the key in the motherboard slot, then press straight down until both side clips snap into place; the kit includes two 2GB sticks for the four available sockets.

What is the correct way to install the DDR2 533MHz modules, and what step is often missed?

Power off and unplug the system, ground yourself, then seat each stick firmly until the clips click; the step often missed is verifying both modules are fully locked before restoring power.

When will the 4GB DDR2 kit need replacement or maintenance?

The modules are solid-state with no moving parts and require no routine maintenance; replacement is only needed if a stick fails or the system is upgraded beyond the 8GB maximum supported by the Dell Dimension E520.

More in Model-Specific Memory Upgrades

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