TEST: KingSpec P3 1TB SATA SSD

Technical data
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Manufacturer	KingSpec
Model number	P3-1TB
Storage capacity	1024 GB (954 GiB)
pSLC-Cache	>300 GB approx.
Read speed	570 MB/s
Write speed	540 MB/s
Interface	SATA 6 Gbps
Connection	2.5"
Memory module (NAND)	QLC
TBW (Total Bytes Written)	480 Terabyte
Controller	Silicon Motion SM2259XT
Price	ca. 48 AUD (= 0,05 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

99 %

Write speed

96 %

*) Test result evaluated according to AS SSD Score within the same size.

AS SSD Benchmark

Standard performance test

The standard test was performed with a 1 GB file. A total score of 671 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	517,72 MB/s	442,63 MB/s
4K in megabytes per second	28,19 MB/s	86,64 MB/s
4K-64Thrd in megabytes per second	163,57 MB/s	164,10 MB/s
Access time in milliseconds	0,040 ms	0,138 ms
Score	244	295
Total score	671

Copy Performance Test

A common everyday situation is simulated here. Three test folders are created:

• ISO (folder with two large files)
• Program (folder with many small files)
• Game (folder with small and large files)

The three folders are copied using the Windows Copy command (the cache remains enabled). The practical test of October 18, 2024 shows the performance for simultaneous write and read operations. The lower the duration, the better the performance.

AS SSD Copy-Benchmark	Transfer rate:	Duration:
ISO two large files	966,77 MB/s	1,11 s
Program many small files	1298,50 MB/s	1,08 s
Game small and large files	1663,25 MB/s	0,83 s

Compression Performance Test

Here, the writing and reading speed of the the KingSpec SATA SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 570MB/s and 540MB/s respectively).

CrystalDiskMark Benchmark

Here, two sequential and two random performance tests are performed, similar to the ones performed on the AS SSD.

CDM	Read [MB/s]	Write [MB/s]
SEQ1M Q8T1	547,58	464,96
SEQ1M Q1T1	538,31	454,54
RND4K Q32T16	235,13	176,73
RND4K Q1T1	43,91	91,64