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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 (45%)
Restrict / Search: Model: Max. age: years
AS SSD - Score Total
min: 5424     avg: 6670     median: 6647 (41%)     max: 7940 Points
AS SSD - Score Write
min: 3217     avg: 4225     median: 4078 (57%)     max: 5380 Points
AS SSD - Score Read
min: 1522     avg: 1681     median: 1758 (28%)     max: 1764 Points
AS SSD - Access Time Write *
min: 0.015     avg: 0     median: 0 (0%)     max: 0.016 ms
AS SSD - Access Time Read *
min: 0.03     avg: 0     median: 0 (0%)     max: 0.036 ms
AS SSD - 4K-64 Write
min: 2557.76     avg: 3543     median: 3388.7 (57%)     max: 4681.46 MB/s
AS SSD - 4K-64 Read
min: 794.58     avg: 930     median: 993.4 (20%)     max: 1002.25 MB/s
AS SSD - 4K Write
min: 219.05     avg: 235.4     median: 241.3 (47%)     max: 245.88 MB/s
AS SSD - 4K Read
min: 67.51     avg: 75.2     median: 78.9 (25%)     max: 79.06 MB/s
AS SSD - Sequential Write
min: 4398.5     avg: 4468     median: 4481 (40%)     max: 4523.93 MB/s
AS SSD - Sequential Read
min: 6601.62     avg: 6764     median: 6830 (54%)     max: 6860.6 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 151.2     avg: 153     median: 152.2 (14%)     max: 155.6 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 72     avg: 76.3     median: 73.8 (2%)     max: 83.02 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 4189     avg: 4287     median: 4235 (23%)     max: 4438 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 4441     avg: 4498     median: 4480 (53%)     max: 4573 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 452.2     avg: 486.6     median: 497.8 (16%)     max: 509.9 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 516.4     avg: 531     median: 530.7 (8%)     max: 545.8 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 5725     avg: 6054     median: 6122 (41%)     max: 6315 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 10121     avg: 10207     median: 10176 (54%)     max: 10324 MB/s
DiskSpd - DiskSpd 4k_q1t1_write
min: 158.3     avg: 159.8     median: 160.3 (37%)     max: 160.9 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 74.1     avg: 74.6     median: 74.5 (22%)     max: 75.2 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 458     avg: 509     median: 513 (8%)     max: 555 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 908     avg: 937     median: 948 (12%)     max: 955 MB/s
DiskSpd - DiskSpd seq_write
min: 3272     avg: 3816     median: 3688 (36%)     max: 4487 MB/s
DiskSpd - DiskSpd seq_read
min: 3968     avg: 4355     median: 4499 (59%)     max: 4598 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 6525     avg: 7463     median: 7691 (53%)     max: 8173 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 9744     avg: 9813     median: 9757 (61%)     max: 9937 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 9721     avg: 9894     median: 9920 (61%)     max: 10042 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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search for model:
v1.33
log 06. 15:33:12

#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, 01 Jul 2025 20:29:48 +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 4277 +0.016s ... 0.022s

#7 got single benchmarks 4277 +0.009s ... 0.031s

#8 got avg benchmarks for devices +0s ... 0.031s

#9 min, max, avg, median took s +0.721s ... 0.752s

#10 return log +0.002s ... 0.754s

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