Average Bench: 102% (220th of 1037)

Based on 404 user benchmarks.  Model: NVMe KBG30ZMS256G NVM

Outstanding average bench

The Nvme KBG30ZMS256G NVM 256GB averaged 1.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG30ZMS256G NVM 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 239MB/s
Avg. 4K-64Thread Read Speed 484MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG30ZMS256G NVM 256GB is 98.5%. This is a particularly wide range which indicates that the Nvme KBG30ZMS256G NVM 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 271MB/s
Avg. Sequential Write Speed 335MB/s
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Average Bench

(Based on 404 samples)
Min Avg Max
477 Read 690 930
21.8 Write 335 671
30.3 Mixed 361 700
31.6 SusWrite 271 635
91.8% 414 MB/s
Min Avg Max
20.1 4K Read 34.6 47.7
13.7 4K Write 67.9 113
15 4K Mixed 38.5 62.2
138% 47 MB/s
Min Avg Max
302 DQ Read 484 656
17.4 DQ Write 189 423
28.4 DQ Mixed 239 515
202% 304 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
238GB free
Firmware: 0103 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 601 617 605 241 238 238 MB/s
Read 905
Write 558
Mixed 613
SusWrite 423
139% 625 MB/s
4K Read 44.1
4K Write 80.7
4K Mixed 50.1
174% 58.3 MB/s
DQ Read 655
DQ Write 202
DQ Mixed 435
319% 431 MB/s
177GB free (System drive)
Firmware: ADDA0105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 575 578 433 209 197 149 MB/s
Read 740
Write 460
Mixed 542
SusWrite 357
117% 525 MB/s
4K Read 28
4K Write 75.2
4K Mixed 44.8
140% 49.3 MB/s
DQ Read 615
DQ Write 348
DQ Mixed 353
297% 438 MB/s
178GB free (System drive)
Firmware: ADDA0104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 460 189 198 185 161 197 MB/s
Read 756
Write 561
Mixed 583
SusWrite 232
119% 533 MB/s
4K Read 24.4
4K Write 63.9
4K Mixed 41.8
124% 43.4 MB/s
DQ Read 558
DQ Write 218
DQ Mixed 277
234% 351 MB/s
180GB free
Firmware: ADDA0103 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 434 449 461 442 477 279 MB/s
Read 599
Write 427
Mixed 489
SusWrite 424
109% 485 MB/s
4K Read 33.7
4K Write 58.9
4K Mixed 33.9
126% 42.2 MB/s
DQ Read 354
DQ Write 174
DQ Mixed 293
210% 274 MB/s
192GB free (System drive)
Firmware: ADDA0105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 120 137 109 76 92 107 MB/s
Read 687
Write 114
Mixed 39.8
SusWrite 106
51% 237 MB/s
4K Read 28.3
4K Write 59.5
4K Mixed 26
108% 37.9 MB/s
DQ Read 357
DQ Write 97.2
DQ Mixed 81
98% 178 MB/s
91GB free (System drive)
Firmware: ADDA0102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 49 30 46 27 48 109 MB/s
Read 643
Write 23.2
Mixed 115
SusWrite 51.6
44% 208 MB/s
4K Read 30.6
4K Write 77.1
4K Mixed 27.8
123% 45.2 MB/s
DQ Read 356
DQ Write 15.5
DQ Mixed 27.9
60% 133 MB/s
11GB free (System drive)
Firmware: ADDA0105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 71 105 93 88 146 199 MB/s
Read 583
Write 18
Mixed 44.2
SusWrite 117
41% 191 MB/s
4K Read 29.4
4K Write 58.5
4K Mixed 27.7
111% 38.5 MB/s
DQ Read 352
DQ Write 76
DQ Mixed 47.4
78% 158 MB/s
404 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,586,626 SSDs tested.

Typical KBG30ZMS256G NVM 256GB Builds (Compare 2,188 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 74%
Battleship
Workstation
Workstation 12%
Tree trunk

System: Dell G5 5587

EDIT WITH CUSTOM PC BUILDER

Popular KBG30ZMS256G NVM 256GB systems:

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Solid State Drive Rankings (Price vs Performance) September 2020 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.

 Comments

1037 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

 Best User Rated

The Best.
CPUGPUSSD
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Intel Core i5-9400F $140Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $300Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $42
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $66SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 32GB $30
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
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