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Phison PS5021-E21 1TB

PS5021-E21 1TB

The Phison PS5021-E21T 1TB (1024GB) 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. The 1024GB variant can reach up to 4800 MB/ sequential read and 3300 MB/s sequential write and uses Micron N48R QLC flash memory.

TypeSSD
SizeM.2 2280
Capacity1024 GB
InterfaceNVMe
Announced15.05.2023
LinkPhison PS5021-E21 1TB

Benchmarks

Performance Rating - DiskSpd
46.1 pt (53%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.709 -98%
...
Kingston OM8PGP4512Q-A0
44.5 -3%
Acer N7000 2 TB
44.6 -3%
Kingston Fury Renegade SFYRS1000G
45.1 -2%
Lexar SSD NM7A1 2TB
45.2 -2%
Samsung PM9A1 MZVL22T0HBLB
45.5 -1%
Samsung SSD 980 Pro 1TB MZ-V8P1T0BW
45.6 -1%
SSSTC CA6-8D512
45.7 -1%
Western Digital PC SN5000S SDEPNSJ-2T00-1032
45.7 -1%
Gigabyte AG450E1024-SI
45.9 0%
Phison PS5021-E21 1TB
46.1
Phison E18-1TB-PHISON-SSD-B47R
46.4 1%
321JN1024GB-TX01
46.7 1%
Samsung 990 Pro 2 TB MZVL72T0HDLB
47 2%
Kingston KC3000 512G SKC3000S512G
47.7 3%
Crucial P3 Plus CT2000P3PSSD8
47.8 4%
Kingston Fury Renegade SFYRS500G
48.1 4%
2x Samsung PM9A1 1TB (RAID 0)
48.1 4%
Western Digital PC SN8000S SDEPNRK-1T00
48.3 5%
Phison E18-1TB-PHISON-SSD-BICS5
48.9 6%
...
Kingston Fury Renegade G5
87.4 90%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 2032.17     avg: 2239     median: 2239.4 (37%)     max: 2446.71 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 1051.82     avg: 1111     median: 1110.8 (41%)     max: 1169.85 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 3036.41     avg: 3556     median: 3556.1 (32%)     max: 4075.76 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 6392     avg: 6996     median: 6995.5 (43%)     max: 7599 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 2475     avg: 3047     median: 3046.5 (42%)     max: 3618 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 2573     avg: 2599     median: 2599 (42%)     max: 2625 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.02     avg: 0     median: 0 (0%)     max: 0.033 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.066     avg: 0.1     median: 0.1 (0%)     max: 0.08 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 1779.79     avg: 2401     median: 2400.8 (41%)     max: 3021.8 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 2085.99     avg: 2140     median: 2140.4 (42%)     max: 2194.79 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 207.32     avg: 247.1     median: 247.1 (48%)     max: 286.81 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 63.89     avg: 80.9     median: 80.9 (26%)     max: 97.96 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 3884.67     avg: 3983     median: 3983.1 (35%)     max: 4081.48 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 3667.76     avg: 3777     median: 3777.4 (30%)     max: 3886.94 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 280     avg: 303.8     median: 303.8 (27%)     max: 327.6 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 52.34     avg: 63.8     median: 63.8 (2%)     max: 75.35 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 4615     avg: 4718     median: 4718 (25%)     max: 4821 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 2542     avg: 2598     median: 2597.5 (31%)     max: 2653 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 510.5     avg: 520     median: 519.7 (17%)     max: 528.9 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 668.1     avg: 673     median: 673.1 (11%)     max: 678.1 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 4829     avg: 4831     median: 4831 (32%)     max: 4833 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 4869     avg: 4898     median: 4897.5 (26%)     max: 4926 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 281     avg: 311.5     median: 311.5 (72%)     max: 342 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 51.1     avg: 62     median: 62 (18%)     max: 72.8 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 3275     avg: 3506     median: 3506 (56%)     max: 3737 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
3335 MB/s (41%)
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 4675     avg: 4685     median: 4685 (46%)     max: 4695 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 2501     avg: 2504     median: 2503.5 (33%)     max: 2506 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 4776     avg: 4787     median: 4786.5 (33%)     max: 4797 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 5009     avg: 5022     median: 5022 (31%)     max: 5035 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
5011 MB/s (31%)
+ 2 benchmarks and specifications   + Show comparison chart
010020030040050060070080090010001100120013001400150016001700180019002000210022002300240025002600270028002900300031003200330034003500360037003800390040004100420043004400450046004700480049005000Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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v1.33
log 08. 04:02:44

#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 Tue, 05 Aug 2025 20:55:48 +0200 +0.001s ... 0.001s

#4 composed specs +0.005s ... 0.006s

#5 did output specs +0s ... 0.006s

#6 getting avg benchmarks for device 3997 +0.021s ... 0.027s

#7 got single benchmarks 3997 +0.009s ... 0.037s

#8 got avg benchmarks for devices +0s ... 0.037s

#9 min, max, avg, median took s +0.984s ... 1.021s

#10 return log +0.003s ... 1.023s

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Klaus Hinum (Update: 2023-05-15)