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Phison 1 TB ESR01TBTCCZ-27J

 ESR01TBTCCZ-27J

The Phison ESR01TBTCCZ-27J-2MS is a 1-terabyte PCIe 4 NVMe SSD. As is often the case with SSDs, this model gets no mention on the official Phison website, so Notebookcheck has no clear understanding of when this 22 by 80 storage solution launched - presumably, it's early 2025 - or what its specifications are.

Performance

The ESR01TBTCCZ-27J is your standard lower-mid-range 2025 SSD, with sequential reads of ~4.43 GB/s and writes of around 2.33 GB/s, as tested with AS SSD 2. Its performance sustainability seems good with no significant drops spotted.

TypeSSD
SizeM.2 2280
Capacity1000 GB
InterfaceNVMe
Announced01.02.2025

Benchmarks

Performance Rating - DiskSpd
28.1 pt (32%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.717 -97%
...
27.6 -2%
27.7 -1%
27.7 -1%
GOFATOO P110E-512GB
27.7 -1%
27.7 -1%
2x Kingston OM8PGP4256Q-A0 (RAID 0)
27.7 -1%
27.8 -1%
28 0%
28 0%
Phison 1 TB ESR01TBTCCZ-27J
28.1
28.1 0%
28.1 0%
Micron 3500 1TB MTFDKBA1T0TGD
28.2 0%
28.2 0%
28.2 0%
Kingston OM8TAP41024K1-A00
28.3 1%
28.4 1%
Kioxia BG6 KBG6AZNV1T02
28.4 1%
Kioxia BG6 KBG60ZNV1T02
28.4 1%
...
Kingston Fury Renegade G5 4TB
87.8 212%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 1524.37     avg: 1894     median: 1994.6 (33%)     max: 2163.73 MB/s
AS SSD - Copy Program
min: 848.23     avg: 893     median: 876.3 (33%)     max: 954.78 MB/s
AS SSD - Copy ISO
min: 2227.51     avg: 2524     median: 2546.1 (9%)     max: 2799.39 MB/s
AS SSD - Score Total
min: 2362     avg: 4178     median: 4673 (29%)     max: 5500 Points
AS SSD - Score Write
min: 693     avg: 2373     median: 2889 (40%)     max: 3538 Points
AS SSD - Score Read
min: 1164     avg: 1239     median: 1217 (19%)     max: 1337 Points
AS SSD - Access Time Write *
min: 0.027     avg: 0     median: 0.1 (0%)     max: 0.056 ms
AS SSD - Access Time Read *
min: 0.044     avg: 0.1     median: 0.1 (0%)     max: 0.082 ms
AS SSD - 4K-64 Write
min: 264.78     avg: 1861     median: 2364.4 (40%)     max: 2955 MB/s
AS SSD - 4K-64 Read
min: 664.75     avg: 711     median: 713 (14%)     max: 756 MB/s
AS SSD - 4K Write
min: 195.18     avg: 203.9     median: 204 (40%)     max: 212.46 MB/s
AS SSD - 4K Read
min: 54.36     avg: 56.1     median: 56.4 (18%)     max: 57.5 MB/s
AS SSD - Sequential Write
min: 2329.39     avg: 3080     median: 3123.7 (28%)     max: 3787 MB/s
AS SSD - Sequential Read
min: 4428.19     avg: 4720     median: 4492.9 (35%)     max: 5238 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 145.9     avg: 152.8     median: 151.1 (14%)     max: 161.5 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 54.56     avg: 58.1     median: 57.3 (2%)     max: 62.3 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 2485     avg: 3129     median: 3128.5 (17%)     max: 3772 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 2704     avg: 2794     median: 2793.5 (30%)     max: 2883 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 410.2     avg: 429.3     median: 434.7 (9%)     max: 443 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 419.9     avg: 474.7     median: 501 (7%)     max: 503.1 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 4229     avg: 5175     median: 5006 (33%)     max: 6290 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 5844     avg: 6224     median: 5871 (31%)     max: 6956 MB/s
CrystalDiskMark 5.2 / 6 - CDM 6 Write 4K Q8T8
497 MB/s (10%)
CrystalDiskMark 5.2 / 6 - CDM 6 Read 4K Q8T8
720 MB/s (11%)
DiskSpd - DiskSpd 4k_q1t1_write
min: 144.3     avg: 161.9     median: 149.9 (34%)     max: 191.4 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 57.3     avg: 60.1     median: 60.7 (18%)     max: 62.2 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 374     avg: 408.3     median: 412 (6%)     max: 439 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 660     avg: 696     median: 710 (9%)     max: 719 MB/s
DiskSpd - DiskSpd seq_write
min: 2498     avg: 2886     median: 2508 (24%)     max: 3651 MB/s
DiskSpd - DiskSpd seq_read
min: 2908     avg: 3034     median: 2932 (31%)     max: 3262 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 4973     avg: 5369     median: 4978 (34%)     max: 6156 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 5875     avg: 6238     median: 5885 (37%)     max: 6953 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 5848     avg: 6206     median: 5871 (36%)     max: 6898 MB/s
0100200300400500600700800900100011001200130014001500160017001800190020002100220023002400250026002700280029003000310032003300340035003600370038003900400041004200430044004500460047004800490050005100520053005400550056005700580059006000610062006300640065006600670068006900Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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v1.35
log 01. 14:53:23

#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 Sat, 27 Jun 2026 08:36:48 +0200 +0.004s ... 0.004s

#4 composed specs +0.004s ... 0.008s

#5 did output specs +0s ... 0.008s

#6 getting avg benchmarks for device 4345 +0.028s ... 0.037s

#7 got single benchmarks 4345 +0.008s ... 0.045s

#8 got avg benchmarks for devices +0s ... 0.045s

#9 min, max, avg, median took s +2.784s ... 2.829s

#10 return log +0.313s ... 3.142s

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Klaus Hinum (Update: 2025-12-28)