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: Western Digital WD Blue SN580 1TB vs. Kingston NV2 1TB

	Western Digital WD Blue SN580 1TB	Kingston NV2 1TB
	Show single test	Show single test
Technical information
Manufacturer	Western Digital	Kingston
Type	WDS100T3B0E	SNV2S/1000G
Storage capacity	1024 GB	1024 GB
Storage capacity (IEC)	932 GiB	932 GiB
pSLC-Cache	>330 GB	269 GB
Read speed	4150 MB/s	3500 MB/s
Write speed	4000 MB/s	2100 MB/s
Form factor	M.2 2280	M.2 2280
Interface	PCIe 4.0 x4	PCIe 4.0 x4
DRAM	no	no
Memory module (NAND)	TLC	QLC
TBW (Total Bytes Written)	600 Terabyte	320 Terabyte
Performance data AS SSD
Sequential Read	3466,66 MB/s	14,93% ∆	3016,40 MB/s
Sequential Write	3653,47 MB/s	52,34% ∆	2398,16 MB/s
4K Read	68,57 MB/s	48,29% ∆	46,24 MB/s
4K Write	196,68 MB/s	19,21% ∆	164,98 MB/s
4K-64Thrd Read	965,15 MB/s	25,27% ∆	770,45 MB/s
4K-64Thrd Write	1768,88 MB/s	41,74% ∆	1247,99 MB/s
Access time Read	0,018 ms	16,67% ∆	0,021 ms
Access time Write	0,118 ms	412,71% ∆	0,605 ms
Score	4445	33,80% ∆	3322
Performance data CrystalDiskMark
SEQ1M Q8T1 Read	4180,65 MB/s	13,24% ∆	3691,95 MB/s
SEQ1M Q8T Write	4109,69 MB/s	59,99% ∆	2568,64 MB/s
SEQ1M Q1T1 Read	3426,00 MB/s	11,39% ∆	3075,63 MB/s
SEQ1M Q1T1 Write	4101,68 MB/s	62,36% ∆	2526,28 MB/s
RND4K Q32T16 Read	2013,27 MB/s	144,52% ∆	823,37 MB/s
RND4K Q32T16 Write	2569,89 MB/s	76,96% ∆	1452,28 MB/s
RND4K Q1T1 Read	59,72 MB/s	7,97% ∆	64,48 MB/s
RND4K Q1T1 Write	211,49 MB/s	13,49% ∆	186,35 MB/s
Buy
Current price	ca. 115 $	7,83% ∆	ca. 124 $
Price / GigaByte	0,11 $	0,12 $
	Buy on Amazon	Buy on Amazon

Western Digital WD Blue SN580 1TB	Kingston NV2 1TB