Average Bench: 154% (149th of 1072)

Based on 67 user benchmarks.  Model: NVMe KBG40ZPZ256G NVMe KIOXIA 256GB
Poor: 97%Average: 154% Great: 189%

Popular builds with this SSD

Outstanding average bench

The Nvme KBG40ZPZ256G KIOXIA 256GB averaged 54.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZPZ256G KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 547MB/s
Avg. 4K-64Thread Read Speed 826MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZPZ256G KIOXIA 256GB is 91.5%. This is a particularly wide range which indicates that the Nvme KBG40ZPZ256G KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 449MB/s
Avg. 4K-64Thread Write Speed 341MB/s
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Average Bench

(Based on 67 samples)
Min Avg Max
691 Read 1,064 1,414
108 Write 848 1,277
188 Mixed 859 1,169
90.8 SusWrite 449 557
180% 805 MB/s
Min Avg Max
26 4K Read 42.6 53
48.3 4K Write 98.9 135
30.1 4K Mixed 55.4 70.6
188% 65.7 MB/s
Min Avg Max
368 DQ Read 826 1,107
65.4 DQ Write 341 622
91.4 DQ Mixed 547 709
415% 571 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
161GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 811 888 366 377 379 400 MB/s
Read 947
Write 382
Mixed 1,040
SusWrite 537
163% 727 MB/s
4K Read 39.5
4K Write 47.4
4K Mixed 50.6
150% 45.8 MB/s
DQ Read 706
DQ Write 402
DQ Mixed 529
400% 546 MB/s
171GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 417 382 393 455 341 380 MB/s
Read 946
Write 954
Mixed 591
SusWrite 394
162% 721 MB/s
4K Read 39.2
4K Write 52.9
4K Mixed 50
152% 47.4 MB/s
DQ Read 745
DQ Write 314
DQ Mixed 400
330% 486 MB/s
75GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 163 248 118 270 274 244 MB/s
Read 796
Write 776
Mixed 873
SusWrite 220
150% 666 MB/s
4K Read 46.1
4K Write 67.8
4K Mixed 52.6
173% 55.5 MB/s
DQ Read 807
DQ Write 332
DQ Mixed 662
466% 600 MB/s
152GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 525 520 538 435 389 337 MB/s
Read 792
Write 511
Mixed 723
SusWrite 457
139% 621 MB/s
4K Read 41.3
4K Write 64.6
4K Mixed 44.8
154% 50.2 MB/s
DQ Read 441
DQ Write 225
DQ Mixed 365
262% 343 MB/s
82GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 179 141 215 94 143 31 MB/s
Read 1,138
Write 420
Mixed 469
SusWrite 134
118% 540 MB/s
4K Read 34.3
4K Write 112
4K Mixed 43.9
168% 63.4 MB/s
DQ Read 348
DQ Write 246
DQ Mixed 68.1
113% 221 MB/s
52GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 164 171 111 110 165 87 MB/s
Read 854
Write 188
Mixed 223
SusWrite 134
76% 350 MB/s
4K Read 34.7
4K Write 72.3
4K Mixed 40.3
142% 49.1 MB/s
DQ Read 433
DQ Write 128
DQ Mixed 150
145% 237 MB/s
26GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 51 60 126 70 26 21 MB/s
Read 921
Write 112
Mixed 152
SusWrite 59
66% 311 MB/s
4K Read 21
4K Write 38.2
4K Mixed 24.1
83% 27.8 MB/s
DQ Read 405
DQ Write 61.3
DQ Mixed 81.3
98% 182 MB/s
67 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,697,039 SSDs tested

Typical KBG40ZPZ256G KIOXIA 256GB Builds (Compare 645 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 20%
Surfboard
Desktop
Desktop 76%
Battleship
Workstation
Workstation 18%
Surfboard

System: Dell XPS 13 9310 2-in-1

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZPZ256G 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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  • 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.
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Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $15Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair 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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