KingSpec P2U38-2T PCIe SSD 2TB Review

Memory (DDR4/DDR5) and Storage (SSD/NVMe) 367 Page 4 of 17 Published by

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Product Showcase

Product Showcase

The following images were taken at high-resolution and then cropped and scaled down. The camera used was a Canon DSLR shooting 12 MegaPixel photos.

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Right then, above packaging. KingSpec/Aspec delivered the 2TB model, they are still developing this product continuously, but the enterprise version even can reach a volume size of 8TB (!)  Packaging is simple. You will notice the two PCBs and embedded mSATA SSD units. Under that fan is the LSI RAID controller as yes, RAID is only methodology to combined all the drives and create such brute force power.


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If you did not get what this product is by now, the unit is a bootable PCIe SSD (Windows 10 has the controller unit embedded in its default software ) and using an LSI RAID controller. Each NAND on each SSD unit is tied towards its own SM2246 SSD controller with a cache chip.

What you will learn in the benchmarks is that this is a brute force solution, meaning it rips a new hole in terms of transferring massive files. Small files however is most definitely not its strong point due to the RAID controller used. Each mSATA unit might have a DRAM cache, but the RAID unit does not. 

 

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First glance at the product, it surely is looking rather simplistic in design. The controller card holds four mSATA clusters, and then an extra PCB holds another four of them. The PCI-Express interface is x8 (Gen 3.0) and obviously will also fit into a x16 slot. But let's look with a little more detail as in design, it is clever.
 

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Combined in RAID you'll see well over 200,000 4KB random write IOPS on reads and writes, not bad eh? In our testing we will even reach close to 4 GB/sec on huge transfers. Above the backside, on the next page we'll zoom into the more important ICs.
 

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Under the fan an LSI RAID controller is located, to the right you can see one out of the eight mSATA clusters. We test the P2U38 model which is available in 1 TB, 2TB and 8 TB volume sizes.

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