Corsair Neutron XTi 480 GB SSD review

Memory (DDR4/DDR5) and Storage (SSD/NVMe) 367 Page 5 of 19 Published by

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Product Showcase

 



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The SSD can be opened up and shows a half size PCB. This 6 Gbps storage unit makes use of Toshiba planar 15 nm NAND. A total of eight NAND flash memory ICs can be spotted on the PCB for the entire 480 GB. The NAND FLASH partitions are assigned directly to the controller. All the way to the left you can see the NAND ICs, up top a DRAM cache IC and the controller.
  

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Phison PS3110 S10 is quad-core controller offering sustained performance of up to 560MB/sec, with 540MB/s for sequential writes on this SSD. This is multi-core controller with the ability of a possible 175 MB/s to 200 MB/s per channel throughput, which is a really high value yet becoming the norm for enthusiast class SSDs. 
 

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In the photo above we zoom in a little on the Nanya DRAM Cache chip - there are two of these NANYA tagged 512MB DDR3 1600MHz ICs, one on each side of the PCB totalling to a massing 1 GB cache buffer.
  

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Above you can see one of the 64GB Toshiba 15nm MLC BGA flash packages, there are four on each side of the PCB. 8x64=512GB minus overprovisioning hence that 480 GB volume size. 


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This is the backside of the PCB, just the four NAND ICs as well as that extra DRAM chip.

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