When building a new system most people focus all their attention on the processor and graphics card, but stable and high performing memory is just as important.

Crucial as a brand are well known for their stability and today we are going to take a look at some of their higher end modules in the shape of the Crucial Ballistix PC5300. Let us see if they live up to the marketing hype.


Quite frequently with memory products we receive the item and it will be packaged in a flimsy plastic case with no other protection. This certainly is not the case with Crucial as their products come in a spacious cardboard box with each module separated inside. Additionally each stick is wrapped in an anti static pocket to help ensure the sticks reach you in perfect working condition.

Apart from the packaging protection everything else is as you would expect and Crucial also supply a small warranty leaflet. If you are buying from Crucial in the UK it is also worth noting that the package is sent recorded delivery for added peace of mind.

The Sticks

Crucial’s Ballistix PC5300 (DDR2 – 667mhz), pictured below are a 1 gigabyte kit. (2x512mb modules). They are the standard 240pin design and are double sided dimms.

The sticks look very appealing indeed as there is a copper coloured heat-spreader which is made from Aluminium, underneath is Crucial’s standard black PCB which goes well with the copper.

Crucial advertise the product as having timings of 3-3-3-12 however out of the box we found that they were set to run at 5-3-3-15 (when using DDR2-667 settings), while these are still good timings it would have been more convenient for the sticks to be SPD programmed to 3-3-3-12. The solution would be to immediately head into the motherboard’s bios and manually set the tighter timings, although if this a users first system build it is an unwanted step. After tightening the timings stability was not an issue. Here is the full list of timings for the MHz settings that the sticks use out of the box:

In regards to voltage the specification on this particular model is 2.2v, before we look at the performance of the modules here is the full module information from Crucial’s site:

• Part Number: BL2KIT6464AA663
• Module Size: 1GB kit (512MBx2)
• Package: Ballistix 240-pin DIMM
• Feature: DDR2 PC2-5300
• Configuration: 64Meg x 64
• Error Checking: NON-ECC
• Speed: DDR2-667
• Voltage: 2.2V
• Memory Timings: 3-3-3-12
• Specs: DDR2 PC2-5300 • 3-3-3-12 • UNBUFFERED • NON-ECC • DDR2-667 • 2.2V • 64Meg x 64






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