Comparison: fanxiang S900 1TB vs. Western Digital WD_BLACK SN8100 1TB

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	fanxiang S900 1TB	VS.	Western Digital WD_BLACK SN8100 1TB
	Show individual test		Show individual test
Technical manufacturer specifications
Manufacturer	fanxiang		Western Digital
Model number	S900-1TB		WDS100T1X0M-00CMT0
Capacity	1,024 GB	=	1,024 GB
Capacity (according to IEC)	931 GiB	=	931 GiB
pSLC cache	105 GB		325 GB
Read speed	10,000 MB/s		14,900 MB/s
Write speed	10,000 MB/s		11,000 MB/s
Form factor	M.2 2280	=	M.2 2280
Interface	PCIe 5.0 x4	=	PCIe 5.0 x4
Controller	Phison PS5026-E26		Silicon Motion SM2508
DRAM	✓ Yes	=	✓ Yes
Memory module (NAND)	TLC	=	TLC
TBW (Total Bytes Written)	700  terabyte		600  terabyte
Warranty	5  Years	=	5  Years
AS SSD performance data
Sequential read	7,676 MB/s	45% ∆	11,168 MB/s
Sequential write	8,345 MB/s	27% ∆	10,631 MB/s
4K Read	83 MB/s	6% ∆	88 MB/s
4K Write	277 MB/s	29% ∆	214 MB/s
4K-64Thrd Read	2,967 MB/s	11% ∆	3,300 MB/s
4K-64Thrd Write	2,402 MB/s	91% ∆	4,591 MB/s
Access time read	0.014 ms	43% ∆	0.020 ms
Access time write	0.173 ms	50% ∆	0.115 ms
Score	9316	36% ∆	12643
CrystalDiskMark performance data
SEQ1M Q8T1 Read	9,633 MB/s	53% ∆	14,774 MB/s
SEQ1M Q8T Write	8,858 MB/s	35% ∆	11,931 MB/s
SEQ1M Q1T1 Read	7,498 MB/s	20 % ∆	9,018 MB/s
SEQ1M Q1T1 Write	8,841 MB/s	13% ∆	9,982 MB/s
RND4K Q32T16 Read	5,439 MB/s	7% ∆	5,842 MB/s
RND4K Q32T16 Write	4,328 MB/s	4% ∆	4,515 MB/s
RND4K Q1T1 Read	83 MB/s	19% ∆	99 MB/s
RND4K Q1T1 Write	319 MB/s	36% ∆	234 MB/s
Buy product
Current price	180 $	56% ∆	280 $
Price per gigabyte	0.18 $	56% ∆	0.27 $
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fanxiang S900 1TB	Western Digital WD_BLACK SN8100 1TB

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