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Strange performance of SSD

Fresh7 days ago
Mar 15, 2026801 views
Confidence Score0%
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Problem

My SSD (on Windows XP) is working well, however, I get the following strange results from Crystal Mark 2004R3: How it comes that sequential write is much slower than non-sequential? It's only about half as fast as sequential write for my standard HDD. I'm quite sure my partition is properly aligned…

Error Output

236 MB/s for  sequential read
 59 MB/s for  sequential write
168 MB/s for  random read 512KB
151 MB/s for  random write 512KB
 90 MB/s for  random re…

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix for: Strange performance of SSD

Low Risk

This is only a guess - because XP does not support TRIM, your sequential write is going over blocks that once had data on them and needs to erase them before writing them, this will slow down the write performance of the drive. When you are performi…

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Environment