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Phison PS5021-E21 512GB

PS5021-E21 512GB

The Phison PS5021-E21T 512GB is a fast M.2 2280 SSD using the NVMe PCIe Gen 4x4 interface. It uses a ARM Cortex-R5 CPU produced in 12nm and a 4 channel flash controller without DRAM. The SSD supports TCG OPAL2.0 / Pyrite, AES256, SHA512 and RSA4096 security features. The SSD is specified up to only 70°C operating temperature. 

TypeSSD
SizeM.2 2280
Capacity512 GB
InterfaceNVMe
Announced15.05.2023
LinkPhison PS5021-E21 512GB

Benchmarks

Performance Rating - DiskSpd
42.8 pt (49%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.709 -98%
...
Kingston OM3PGP41024P-A0
40.5 -5%
Micron 2450 1TB MTFDKBK1T0TFK
40.6 -5%
Kioxia XG7 KXG7AZNV1T02
41.4 -3%
BIWIN CE980Y28900-1TB
41.5 -3%
Acer N7000 1 TB
41.6 -3%
Crucial P5 Plus 1TB CT1000P5PSSD8
42 -2%
SSSTC CA6-8D1024
42.2 -1%
TeamGroup T-Create CLASSIC PCIe 4.0 DL
42.5 -1%
Samsung PM9A1 MZVL21T0HCLR
42.6 0%
Phison PS5021-E21 512GB
42.8
WD PC SN740 SDDQNQD-1T00-1014
43.4 1%
SSSTC CA6-8D2048
43.5 2%
Micron 3400 2TB MTFDKBA2T0TFH
43.5 2%
Samsung 9100 Pro 1 TB
44 3%
SK hynix PCB01 HFS001TFM9X186N
44.3 4%
Kingston OM8PGP4512Q-A0
44.5 4%
Acer N7000 2 TB
44.6 4%
Kingston Fury Renegade SFYRS1000G
45.1 5%
Lexar SSD NM7A1 2TB
45.2 6%
...
Kingston Fury Renegade G5
87.4 104%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 1065.41     avg: 1248     median: 1247.7 (21%)     max: 1429.95 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 543.61     avg: 748     median: 747.7 (28%)     max: 951.78 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 1323.81     avg: 1940     median: 1939.9 (18%)     max: 2555.94 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 5102     avg: 5961     median: 5961 (37%)     max: 6820 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 1727     avg: 2488     median: 2487.5 (35%)     max: 3248 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 2236     avg: 2302     median: 2302 (37%)     max: 2368 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.02     avg: 0     median: 0 (0%)     max: 0.024 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.088     avg: 0.1     median: 0.1 (0%)     max: 0.094 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 1119     avg: 1966     median: 1965.7 (33%)     max: 2812.37 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 1749     avg: 1878     median: 1877.9 (37%)     max: 2006.73 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 170.2     avg: 223.1     median: 223.1 (44%)     max: 276 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 67.56     avg: 82.7     median: 82.7 (26%)     max: 97.8 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 2655.13     avg: 2988     median: 2988.1 (26%)     max: 3321 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 2937.5     avg: 3413     median: 3413.3 (27%)     max: 3889 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
320 MB/s (29%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
79.8 MB/s (2%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
417 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
691 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
3956 MB/s (26%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
4955 MB/s (27%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
2109 MB/s (42%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
1451 MB/s (22%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 262     avg: 287.5     median: 287.5 (66%)     max: 313 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 63.7     avg: 70.1     median: 70.1 (20%)     max: 76.4 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 2872     avg: 2980     median: 2980 (47%)     max: 3088 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
min: 1980     avg: 2672     median: 2672 (33%)     max: 3364 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 3954     avg: 4251     median: 4251 (42%)     max: 4548 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 2445     avg: 2581     median: 2581 (34%)     max: 2717 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 3969     avg: 4260     median: 4259.5 (29%)     max: 4550 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 5062     avg: 5136     median: 5135.5 (32%)     max: 5209 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 5023     avg: 5115     median: 5115 (31%)     max: 5207 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
01002003004005006007008009001000110012001300140015001600170018001900200021002200230024002500260027002800290030003100320033003400350036003700380039004000410042004300440045004600470048004900500051005200Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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v1.33
log 12. 12:01:51

#0 ran 0s before starting gpusingle class +0s ... 0s

#1 no ids found in url (should be separated by "_") +0s ... 0s

#2 not redirecting to Ajax server +0s ... 0s

#3 did not recreate cache, as it is less than 5 days old! Created at Fri, 11 Jul 2025 20:31:12 +0200 +0.001s ... 0.001s

#4 composed specs +0.005s ... 0.005s

#5 did output specs +0s ... 0.005s

#6 getting avg benchmarks for device 4081 +0.014s ... 0.019s

#7 got single benchmarks 4081 +0.007s ... 0.026s

#8 got avg benchmarks for devices +0s ... 0.026s

#9 min, max, avg, median took s +0.93s ... 0.957s

#10 return log +0.002s ... 0.959s

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Klaus Hinum (Update: 2023-11-25)