Comparison: Silicon Power Ace A55 2TB vs. Samsung 860 EVO 2TB

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	Silicon Power Ace A55 2TB	VS.	Samsung 860 EVO 2TB
	Show individual test		Show individual test
Technical manufacturer specifications
Manufacturer	Silicon Power		Samsung
Model number	SP002TBSS3A55S25		MZ-76E2T0B/EU
Capacity	2,048 GB	=	2,048 GB
Capacity (according to IEC)	1,863 GiB	=	1,863 GiB
pSLC cache	>250 GB		GB
Read speed	500 MB/s		550 MB/s
Write speed	450 MB/s		520 MB/s
Form factor	2.5"	=	2.5"
Interface	SATA 6 Gbps	=	SATA 6 Gbps
Controller	Phison PS3111-S11		Samsung MJX (S4LR030)
DRAM	No		✓ Yes
Memory module (NAND)	TLC	=	TLC
TBW (Total Bytes Written)	1000  terabyte		1200  terabyte
Warranty	3  Years	=	3  Years
AS SSD performance data
Sequential read	514 MB/s	1% ∆	519 MB/s
Sequential write	434 MB/s	5% ∆	458 MB/s
4K Read	22 MB/s	86% ∆	41 MB/s
4K Write	87 MB/s	0% ∆	88 MB/s
4K-64Thrd Read	147 MB/s	48% ∆	218 MB/s
4K-64Thrd Write	163 MB/s	13% ∆	185 MB/s
Access time read	0.129 ms	200% ∆	0.043 ms
Access time write	0.243 ms	557% ∆	0.037 ms
Score	633	27% ∆	802
CrystalDiskMark performance data
SEQ1M Q8T1 Read	544 MB/s	1% ∆	550 MB/s
SEQ1M Q8T Write	454 MB/s	7% ∆	486 MB/s
SEQ1M Q1T1 Read	534 MB/s	1 % ∆	537 MB/s
SEQ1M Q1T1 Write	444 MB/s	7% ∆	475 MB/s
RND4K Q32T16 Read	157 MB/s	46% ∆	229 MB/s
RND4K Q32T16 Write	179 MB/s	9% ∆	195 MB/s
RND4K Q1T1 Read	23 MB/s	92% ∆	45 MB/s
RND4K Q1T1 Write	93 MB/s	4% ∆	97 MB/s
Buy product
Current price	250 $	76% ∆	439 $
Price per gigabyte	0.12 $	76% ∆	0.21 $
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Silicon Power Ace A55 2TB	Samsung 860 EVO 2TB

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