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Sony details their Cross Point ReRAM SSD technology [hard specs]


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Wonder if this could be partly integrated into their custom SSD solution. Doubt it though, sounds way too high end. It's apparently a layer between the SSD and RAM.

 

2019-11-2609_23_28-pe9zjiw.jpg

 

Target specs:
128GB drive [8 x 16GB] - 25.6 GB/s read, 9.6 GB/s write, PCIe gen5 x8, target wattage 14.6W+
256GB drive [16 x 16GB] - 51.2 GB/s read, 19.2 GB/s write, PCIe gen5 x16, target wattage 27.2W+

 

 

Transfer speeds of older tech:

  • Today's retail PCIe gen4 x4 NVME SSDs top at around 5 GB/s.
  • Mass consumer PCIe gen3 NVME SSDs are around 3 GB/s
  • Old SATA3 SSDs are 512 MB/s
  • PS4 - HDD in PS4 [with very slow seek speeds of a laptop drive] is 150 MB/s sequential, 40 MB/s for small files [and can go lower for very small files, PS4 Spider-Man was made to load 20MB/s while Spidey is swinging across the city]
  • PS3 - 22 GB/s to VRAM, 25.6 GB/s to system memory [not counting other caches]
  • Xbox 360 - 21.6 GB/s to VRAM, 22.4 GB/s to system memory [not counting other caches]
  • Nintendo Switch - 25.6 GB/s to system LPDDR memory [at 1600MHz]
  • PC DDR4transfer rates:
    • DDR4 2133:17 GB/s
    • DDR4 2400:19.2 GB/s
    • DDR4 2666:21.3 GB/s
    • DDR4 3200:25.6 GB/s
Edited by Team 2019
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12 minutes ago, Vini said:

Sony trynna jump through hoops to keep that $400 price tag

ReRAM is expensive compared to NAND. I wouldn't bet on a $400 price tag with ReRAM onboard, and ReRAM being onboard is highly unlikely.

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50 minutes ago, lynux3 said:

ReRAM is expensive compared to NAND. I wouldn't bet on a $400 price tag with ReRAM onboard, and ReRAM being onboard is highly unlikely.

I would bet on a $400 price tag all day. Sony is stuck with it

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