In recent months, some Asian DRAM memory manufacturers have been getting away with selling untested ("UTT") DRAMs. Disturbingly, the practice seems to be getting traction at the lower portion of the module business.
This is being done mostly by Taiwanese DRAM makers, who are undercutting the tier-1 guys by selling untested and unmarked parts. The untested yield is high enough that Asian houses are putting then straight into modules and selling them. Any fallout is reworked or returned by the customer and replaced. Apparently the net cost under such a business model is still cheaper than testing the integrated circuits (ICs).
Read the complete story. (IT Manager's Journal)
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