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Kbg30zmt256g

TOSHIBA 256GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 104% (236th of 1072)

Based on 1,245 user benchmarks.  Model: KBG30ZMT256G TOSHIBA
Poor: 50%Average: 104% Great: 157%

Popular builds with this SSD

Outstanding average bench

The Kbg30zmt256g TOSHIBA 256GB averaged 4.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg30zmt256g TOSHIBA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 277MB/s
Avg. 4K-64Thread Read Speed 488MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg30zmt256g TOSHIBA 256GB is 107%. This is a particularly wide range which indicates that the Kbg30zmt256g TOSHIBA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 294MB/s
Avg. Sequential Write Speed 342MB/s
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Average Bench

(Based on 1,245 samples)
Rank 236104%
Min Avg Max
406 Read 651 894
45.1 Write 342 713
30.1 Mixed 376 726
37.8 SusWrite 294 618
92.3% 416 MB/s
Min Avg Max
13.8 4K Read 36.9 50.3
11.6 4K Write 70.6 127
12 4K Mixed 39.7 67.7
144% 49.1 MB/s
Min Avg Max
239 DQ Read 488 657
36.7 DQ Write 241 439
36.1 DQ Mixed 277 505
229% 335 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
149GB free
Firmware: 0106ADLA
SusWrite @10s intervals: 191 338 448 338 520 352 MB/s
131% Outstanding
Read 762
Write 703
Mixed 632
SusWrite 364
138% 616 MB/s
4K Read 42
4K Write 96.3
4K Mixed 52.9
182% 63.7 MB/s
DQ Read 651
DQ Write 315
DQ Mixed 425
331% 464 MB/s
188GB free (System drive)
Firmware: 0108ADLA
SusWrite @10s intervals: 271 278 164 202 291 296 MB/s
82.2% Excellent
Read 456
Write 381
Mixed 402
SusWrite 250
84% 373 MB/s
4K Read 17.3
4K Write 40.2
4K Mixed 31
87% 29.5 MB/s
DQ Read 620
DQ Write 318
DQ Mixed 234
237% 391 MB/s
136GB free (System drive)
Firmware: 0105ADLA
SusWrite @10s intervals: 254 296 240 253 339 314 MB/s
76.8% Very good
Read 380
Write 143
Mixed 270
SusWrite 283
60% 269 MB/s
4K Read 25.3
4K Write 37.1
4K Mixed 39.1
108% 33.8 MB/s
DQ Read 258
DQ Write 176
DQ Mixed 212
159% 215 MB/s
176GB free (System drive)
Firmware: 0108ADLA
SusWrite @10s intervals: 256 321 322 359 348 334 MB/s
74.5% Very good
Read 484
Write 328
Mixed 392
SusWrite 324
86% 382 MB/s
4K Read 17.7
4K Write 37.8
4K Mixed 29.6
85% 28.4 MB/s
DQ Read 212
DQ Write 162
DQ Mixed 34.6
67% 136 MB/s
88GB free (System drive)
Firmware: 0109ADLA
SusWrite @10s intervals: 56 45 68 43 66 40 MB/s
45.5% Average
Read 495
Write 63.5
Mixed 204
SusWrite 52.9
44% 204 MB/s
4K Read 15.6
4K Write 12.3
4K Mixed 12.6
46% 13.5 MB/s
DQ Read 355
DQ Write 20.5
DQ Mixed 95.3
93% 157 MB/s
121GB free (System drive)
Firmware: 0109ADLA
SusWrite @10s intervals: 60 18 54 28 26 54 MB/s
38.7% Below average
Read 452
Write 93.2
Mixed 17
SusWrite 40
32% 151 MB/s
4K Read 4.9
4K Write 25.2
4K Mixed 11.9
36% 14 MB/s
DQ Read 203
DQ Write 102
DQ Mixed 46
62% 117 MB/s
1,245 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,657,496 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical TOSHIBA 256GB Builds (Compare 18 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 55%
Gunboat
Workstation
Workstation 10%
Tree trunk

System: Lenovo 20N9S19A00

CPU
Core i5-8265UIntelBench 53%, 87,841 samples18x
GPU
UHD Graphics 620IntelBench 5%, 178,291 samples18x
SSD
TOSHIBA 256GBKbg30zmt256gBench 104%, 1,245 samples18x
RAM
M471A1K43DB1-CTD 2x8GBSamsungBench 76%, 43,895 samples15x
HMA81GS6CJR8N-VK 2x8GBHynixBench 74%, 28,425 samples2x
8ATF1G64HZ-2G6E1 2x8GBMicronBench 76%, 20,226 samples1x
EDIT WITH CUSTOM PC BUILDER

Popular TOSHIBA 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
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Solid State Drive Rankings (Price vs Performance) April 2024 SSD Rankings

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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Speed Comparisons

vs Crucial MX500 250GB
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1072 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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