Slow SSD speed after 4 months of use - Kingston A400 240GB

Jan 28, 2019
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Hi! I've recently noticed my SSD (Kingston A400 240GB) speed is going down the gutter. I used the CrystaldiskMark benchmark and I get around 370 MB/s on read speed. Searching around for benchmarks for the same exact SSD (240GB), I've seen read speeds greater than 500MB/s. For comparison, I also bought another Kingston A400 a couple of weeks ago, this time with 480GB space, and on the same benchmark I get around 550 MB/s. My motherboard is a MSI X370 Gaming Plus. SSD is 50% full.

Things I've tried:
- Made sure TRIM is enabled
- Disabled Windows auto disk optimization and defrag
-Made sure AHCI is enabled in BIOS
-SSD and Bios are both updated to the latest firmware
-Made sure SSD is connected to a Sata III port and tried a different Sata III port
-Made sure I was using a Sata III cable and tried a different Sata III cable
-Used Kingston Disk software to make sure there were no disk errors and to check disk integrity

To be honest, I'm out of ideas, any help would be greatly appreciated.
 
Jan 28, 2019
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I'm not at home atm, I'll try this in a couple of hours and post the results.
 

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