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Phison E31 2 TB

 E31 2TB

The 2-terabyte Phison E31 (E31-2TB-PHISON-SSD-BICS8) is a PCIe 5 NVMe SSD with no DRAM cache that was quietly launched around the middle of 2024.

Performance

AS SSD reports sequential reads and write reads of around 6.6 GB/s and 4.4 GB/s. While fast enough, this M.2 22 by 80 size drive is certainly not a record breaker, losing out to many PCIe 4 models.

The good part is, its performance seems relatively stable with no big throttling when subjected to sustained read load.

TypeSSD
SizeM.2 2280
InterfaceNVMe
ControllerAn in-house Phison PCIe 5 controller
Announced01.07.2024

Benchmarks

Performance Rating - DiskSpd
39.2 pt (48%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.72 -98%
...
36.2 -8%
36.5 -7%
SK Hynix HFS002TEJ9X162N
36.5 -7%
37.4 -5%
Kingston OM8PGP41024Q-A0
38.3 -2%
38.4 -2%
38.9 -1%
Western Digital PC SN5000S SDEPMSJ-512G
39 -1%
39.1 0%
Phison E31 2 TB
39.2
39.3 0%
39.5 1%
39.5 1%
39.7 1%
39.8 2%
39.9 2%
40 2%
40 2%
40.7 4%
...
Samsung 9100 Pro 2 TB
81.4 108%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Score Total
min: 5424     avg: 6682     median: 6682 (48%)     max: 7940 Points
AS SSD - Score Write
min: 3217     avg: 4299     median: 4298.5 (60%)     max: 5380 Points
AS SSD - Score Read
min: 1522     avg: 1640     median: 1640 (35%)     max: 1758 Points
AS SSD - Access Time Write *
min: 0.015     avg: 0     median: 0 (0%)     max: 0.016 ms
AS SSD - Access Time Read *
min: 0.033     avg: 0     median: 0 (0%)     max: 0.036 ms
AS SSD - 4K-64 Write
min: 2557.76     avg: 3620     median: 3619.6 (61%)     max: 4681.46 MB/s
AS SSD - 4K-64 Read
min: 794.58     avg: 894     median: 894 (25%)     max: 993.4 MB/s
AS SSD - 4K Write
min: 219.05     avg: 232.5     median: 232.5 (45%)     max: 245.88 MB/s
AS SSD - 4K Read
min: 67.51     avg: 73.2     median: 73.2 (23%)     max: 78.94 MB/s
AS SSD - Sequential Write
min: 4398.5     avg: 4461     median: 4461.2 (39%)     max: 4523.93 MB/s
AS SSD - Sequential Read
min: 6601.62     avg: 6731     median: 6731.1 (53%)     max: 6860.6 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 152.2     avg: 153.9     median: 153.9 (14%)     max: 155.6 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 73.81     avg: 78.4     median: 78.4 (2%)     max: 83.02 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 4189     avg: 4314     median: 4313.5 (23%)     max: 4438 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 4441     avg: 4507     median: 4507 (54%)     max: 4573 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 452.2     avg: 481.1     median: 481.1 (16%)     max: 509.9 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 516.4     avg: 531     median: 531.1 (8%)     max: 545.8 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 5725     avg: 6020     median: 6020 (40%)     max: 6315 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 10121     avg: 10149     median: 10148.5 (54%)     max: 10176 MB/s
DiskSpd - DiskSpd 4k_q1t1_write
min: 158.3     avg: 159.3     median: 159.3 (37%)     max: 160.3 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 74.5     avg: 74.9     median: 74.9 (22%)     max: 75.2 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 513     avg: 534     median: 534 (10%)     max: 555 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 908     avg: 928     median: 928 (15%)     max: 948 MB/s
DiskSpd - DiskSpd seq_write
min: 3272     avg: 3480     median: 3480 (37%)     max: 3688 MB/s
DiskSpd - DiskSpd seq_read
min: 3968     avg: 4283     median: 4283 (56%)     max: 4598 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 6525     avg: 7349     median: 7349 (50%)     max: 8173 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 9744     avg: 9841     median: 9840.5 (61%)     max: 9937 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 9721     avg: 9821     median: 9820.5 (60%)     max: 9920 MB/s
0100200300400500600700800900100011001200130014001500160017001800190020002100220023002400250026002700280029003000310032003300340035003600370038003900400041004200430044004500460047004800490050005100520053005400550056005700580059006000610062006300640065006600670068006900700071007200730074007500760077007800790080008100820083008400850086008700880089009000910092009300940095009600970098009900Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

Add one or more devices and compare

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v1.33
log 18. 19:47:23

#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 Mon, 16 Jun 2025 20:14:04 +0200 +0.001s ... 0.001s

#4 composed specs +0.004s ... 0.005s

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

#6 getting avg benchmarks for device 4277 +0.016s ... 0.021s

#7 got single benchmarks 4277 +0.006s ... 0.027s

#8 got avg benchmarks for devices +0s ... 0.027s

#9 min, max, avg, median took s +0.715s ... 0.742s

#10 return log +0.002s ... 0.744s

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