Comparison: Kingston A400 960GB vs. Samsung 870 EVO 1TB

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	Kingston A400 960GB	VS.	Samsung 870 EVO 1TB
	Show individual test		Show individual test
Technical manufacturer specifications
Manufacturer	Kingston		Samsung
Model number	SA400S37/960G		MZ-77E1T0B
Capacity	960 GB		1,024 GB
Capacity (according to IEC)	894 GiB		932 GiB
pSLC cache	>200 GB		GB
Read speed	500 MB/s		560 MB/s
Write speed	450 MB/s		530 MB/s
Form factor	2.5"	=	2.5"
Interface	SATA 6 Gbps	=	SATA 6 Gbps
Controller	Silicon Motion SM2259		Samsung MKX (Metis S4LR059)
DRAM	No		✓ Yes
Memory module (NAND)	QLC		TLC
TBW (Total Bytes Written)	300  terabyte		600  terabyte
Warranty	5  Years		3  Years
AS SSD performance data
Sequential read	443 MB/s	17% ∆	519 MB/s
Sequential write	421 MB/s	9% ∆	460 MB/s
4K Read	41 MB/s	9% ∆	45 MB/s
4K Write	72 MB/s	24% ∆	90 MB/s
4K-64Thrd Read	202 MB/s	7% ∆	218 MB/s
4K-64Thrd Write	150 MB/s	23% ∆	185 MB/s
Access time read	0.041 ms	2% ∆	0.042 ms
Access time write	0.123 ms	232% ∆	0.037 ms
Score	715	13% ∆	811
CrystalDiskMark performance data
SEQ1M Q8T1 Read	468 MB/s	18% ∆	550 MB/s
SEQ1M Q8T Write	476 MB/s	2% ∆	485 MB/s
SEQ1M Q1T1 Read	451 MB/s	19 % ∆	538 MB/s
SEQ1M Q1T1 Write	470 MB/s	1% ∆	477 MB/s
RND4K Q32T16 Read	158 MB/s	46% ∆	230 MB/s
RND4K Q32T16 Write	194 MB/s	0% ∆	195 MB/s
RND4K Q1T1 Read	34 MB/s	37% ∆	47 MB/s
RND4K Q1T1 Write	79 MB/s	24% ∆	98 MB/s
Buy product
Current price	180 $	94% ∆	350 $
Price per gigabyte	0.19 $	94% ∆	0.34 $
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Kingston A400 960GB	Samsung 870 EVO 1TB

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