SSD Comparison: Compare SSDs and USB flash drives

Compare SSDs (M.2 and SATA), external hard drives and USB flash drives.
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Compare: Kingston KC3000 1TB vs. Western Digital WD_BLACK SN7100 1TB

	Kingston KC3000 1TB	Western Digital WD_BLACK SN7100 1TB
	Show single test	Show single test
Technical information
Manufacturer	Kingston	Western Digital
Type	SKC3000S/1024G	WDS100T4X0E-00CJA0
Storage capacity	1024 GB	1024 GB
Storage capacity (IEC)	954 GiB	932 GiB
Read speed	7000 MB/s	7250 MB/s
Write speed	6000 MB/s	6900 MB/s
Form factor	M.2 2280	M.2 2280
Interface	PCIe 4.0 x4	PCIe 4.0 x4
DRAM	✓ yes	no
Memory module (NAND)	TLC	TLC
TBW (Total Bytes Written)	800 Terabyte	600 Terabyte
Controller	Phison PS5018-E18	Western Digital Polaris 3
Performance data AS SSD
Sequential Read	6105,04 MB/s	4,86% ∆	5822,32 MB/s
Sequential Write	5628,25 MB/s	5,75% ∆	5321,99 MB/s
4K Read	77,27 MB/s	13,63% ∆	87,80 MB/s
4K Write	215,66 MB/s	19,43% ∆	180,58 MB/s
4K-64Thrd Read	1972,30 MB/s	4,64% ∆	1884,90 MB/s
4K-64Thrd Write	3056,26 MB/s	15,02% ∆	2657,27 MB/s
Access time Read	0,017 ms	17,65% ∆	0,020 ms
Access time Write	0,088 ms	12,50% ∆	0,099 ms
Score	7840	8,57% ∆	7221
Performance data CrystalDiskMark
SEQ1M Q8T1 Read	7361,56 MB/s	0,78% ∆	7304,71 MB/s
SEQ1M Q8T Write	6112,60 MB/s	1,36% ∆	6195,83 MB/s
SEQ1M Q1T1 Read	3635,23 MB/s	35,09% ∆	4910,67 MB/s
SEQ1M Q1T1 Write	5474,83 MB/s	2,08% ∆	5363,35 MB/s
RND4K Q32T16 Read	2584,67 MB/s	57,16% ∆	4061,98 MB/s
RND4K Q32T16 Write	3185,22 MB/s	4,22% ∆	3056,38 MB/s
RND4K Q1T1 Read	68,13 MB/s	51,65% ∆	103,32 MB/s
RND4K Q1T1 Write	241,80 MB/s	13,62% ∆	212,82 MB/s
Buy
Current price	ca. 110 $	22,22% ∆	ca. 90 $
Price / GigaByte	0,11 $	0,09 $
	Buy on Amazon	Buy on Amazon

Kingston KC3000 1TB	Western Digital WD_BLACK SN7100 1TB