Average Bench: 149% (157th of 1072)

Based on 13,282 user benchmarks.  Model: KBG40ZNS256G NVMe KIOXIA 256GB

Outstanding average bench

The Kbg40zns256g NVMe KIOXIA 256GB averaged 48.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zns256g NVMe KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 499MB/s
Avg. 4K-64Thread Read Speed 825MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zns256g NVMe KIOXIA 256GB is 144%. This is a particularly wide range which indicates that the Kbg40zns256g NVMe KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 417MB/s
Avg. 4K Random Write Speed 96.8MB/s
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Average Bench

(Based on 13,282 samples)
Min Avg Max
104 Read 947 1,505
88.7 Write 781 1,448
153 Mixed 810 1,283
66.5 SusWrite 417 579
166% 739 MB/s
Min Avg Max
14.6 4K Read 44.1 58.4
25.1 4K Write 96.8 177
18.1 4K Mixed 54 80.1
187% 65 MB/s
Min Avg Max
279 DQ Read 825 1,419
72.8 DQ Write 426 808
96.8 DQ Mixed 499 711
405% 583 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
159GB free (System drive)
Firmware: 10410105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1004 822 331 280 263 273 MB/s
Read 1,090
Write 1,324
Mixed 1108
SusWrite 495
226% 1,004 MB/s
4K Read 43.9
4K Write 94.6
4K Mixed 58.2
191% 65.6 MB/s
DQ Read 790
DQ Write 554
DQ Mixed 663
498% 669 MB/s
106GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 633 752 516 371 373 375 MB/s
Read 919
Write 750
Mixed 734
SusWrite 503
163% 726 MB/s
4K Read 38.5
4K Write 97.2
4K Mixed 54.7
180% 63.5 MB/s
DQ Read 530
DQ Write 516
DQ Mixed 241
259% 429 MB/s
54GB free (System drive)
Firmware: 10410105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 904 617 506 336 389 393 MB/s
Read 1,010
Write 572
Mixed 1,009
SusWrite 524
174% 779 MB/s
4K Read 24.2
4K Write 94.6
4K Mixed 34.6
131% 51.1 MB/s
DQ Read 772
DQ Write 420
DQ Mixed 583
437% 592 MB/s
178GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 743 666 539 337 340 335 MB/s
Read 926
Write 888
Mixed 898
SusWrite 493
180% 802 MB/s
4K Read 36
4K Write 73.3
4K Mixed 46.5
153% 51.9 MB/s
DQ Read 616
DQ Write 443
DQ Mixed 489
376% 516 MB/s
36GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 350 393 341 257 114 49 MB/s
Read 796
Write 435
Mixed 390
SusWrite 251
104% 468 MB/s
4K Read 28.1
4K Write 63.6
4K Mixed 34.3
120% 42 MB/s
DQ Read 579
DQ Write 243
DQ Mixed 224
216% 349 MB/s
51GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 395 325 239 120 41 133 MB/s
Read 517
Write 460
Mixed 478
SusWrite 209
93% 416 MB/s
4K Read 23.4
4K Write 53.1
4K Mixed 34.7
108% 37.1 MB/s
DQ Read 429
DQ Write 296
DQ Mixed 360
269% 362 MB/s
29GB free (System drive)
Firmware: 10410104 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 68 112 60 30 29 33 MB/s
Read 809
Write 98.3
Mixed 56.4
SusWrite 55.5
54% 255 MB/s
4K Read 19.7
4K Write 32.6
4K Mixed 21.7
75% 24.7 MB/s
DQ Read 527
DQ Write 42.4
DQ Mixed 66.1
104% 212 MB/s
13,282 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,677,308 SSDs tested

Typical NVMe KIOXIA 256GB Builds (Compare 1,338 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 55%
Gunboat
Workstation
Workstation 7%
Tree trunk

System: Dell Latitude 3510

EDIT WITH CUSTOM PC BUILDER

Popular NVMe KIOXIA 256GB systems:

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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.

 Comments

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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12600K $182Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12400F $133Nvidia 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) $30Corsair 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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