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Toshiba KBG30ZMT256G

The Toshiba KBG30ZMT256G is a small (M.2 22x42 mm) 256 GB solid state drive. It relies on the PCIe interface (NVMe protocol) for data transfer.

Notebookcheck says:

... this model is not at he same level as the top-of-the-range SSDs - Lenovo ThinkPad E590 Laptop Review | May 2019

TypeSSD
SizeM.2
Capacity256 GB
InterfaceNVMe
Announced17.12.2018

Benchmarks

AS SSD - Copy Game
min: 254.54     avg: 330     median: 329.7 (6%)     max: 404.95 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 94.34     avg: 130     median: 129.9 (5%)     max: 165.41 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 448.1     avg: 490     median: 490.3 (13%)     max: 532.41 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 1526     avg: 1616     median: 1616 (18%)     max: 1706 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 403     avg: 441     median: 440.5 (10%)     max: 478 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 749     avg: 786     median: 785.5 (22%)     max: 822 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.176     avg: 0.2     median: 0.2 (0%)     max: 0.228 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.057     avg: 0.1     median: 0.1 (0%)     max: 0.162 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 231.66     avg: 273     median: 272.9 (7%)     max: 314.07 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 581.83     avg: 612     median: 612.3 (21%)     max: 642.76 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 90.27     avg: 90.9     median: 90.9 (1%)     max: 91.62 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 43.38     avg: 45.5     median: 45.5 (17%)     max: 47.61 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 735.36     avg: 766     median: 766.2 (18%)     max: 797.05 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 1240.52     avg: 1278     median: 1278.3 (23%)     max: 1316 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K QD32 Write
min: 165.6     avg: 230     median: 230.3 (30%)     max: 294.9 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K QD32 Read
min: 270.9     avg: 410     median: 409.7 (43%)     max: 548.5 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K Write
min: 90.84     avg: 94.5     median: 94.5 (11%)     max: 98.06 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K Read
min: 44.39     avg: 48.2     median: 48.2 (1%)     max: 51.94 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 512K Write
min: 500.6     avg: 583     median: 582.9 (14%)     max: 665.2 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 512K Read
min: 585     avg: 653     median: 653 (28%)     max: 721 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - Sequential Write
min: 597.5     avg: 678     median: 678.4 (16%)     max: 759.2 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - Sequential Read
min: 808.3     avg: 844     median: 844.1 (24%)     max: 879.9 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 89.08     avg: 100     median: 100.1 (9%)     max: 111.2 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 47.73     avg: 48.4     median: 48.4 (1%)     max: 49.01 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 585.8     avg: 669     median: 668.5 (14%)     max: 751.2 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 783.1     avg: 840     median: 839.6 (16%)     max: 896.1 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 200.2     avg: 232     median: 231.6 (14%)     max: 263 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 314.8     avg: 398     median: 398.2 (25%)     max: 481.5 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 784.2     avg: 792     median: 792 (14%)     max: 799.7 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 1544     avg: 1573     median: 1573 (17%)     max: 1602 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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#2 did not recreate cache, as it is less than 5 days old! Created at Mon, 14 Jun 2021 20:16:20 +0200 +0.001s ... 0.001s

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Notebook reviews with Toshiba KBG30ZMT256G

Lenovo ThinkPad E590-20NB0012GE: Intel Core i7-8565U AMD Radeon RX 550X (Laptop), 15.60", 1.9 kg
  Review » Lenovo ThinkPad E590 (i7, RX 550X, SSD, FHD) Laptop Review

Lenovo Yoga Book C930 YB-J912F: Intel Core i5-7Y54 Intel HD Graphics 615, 10.80", 0.8 kg
  Review » Lenovo Yoga Book C930 (i5-7Y54, LTE, E-Ink) Convertible Review

Lenovo ThinkPad E590-20NB0012GE: Intel Core i7-8565U AMD Radeon RX 550X (Laptop), 15.60", 1.9 kg
  External Review » Lenovo ThinkPad E590-20NB0012GE

Lenovo Yoga Book C930 YB-J912F: Intel Core i5-7Y54 Intel HD Graphics 615, 10.80", 0.8 kg
  External Review » Lenovo Yoga Book C930 YB-J912F

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Laptop harddisks (HDD, SSD) benchmarks > Toshiba KBG30ZMT256G Benchmarked
Klaus Hinum (Update: 2020-03- 1)