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Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

▲ 514 ▼

Release date ≈ Q3 2017.

VS

Average Bench: 128% (116th of 991)

Based on 12,698 user benchmarks.  Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA
Poor: 75%Average: 128% Great: 183%

Popular builds with this SSD

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 28.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Toshiba XG5 NVMe PCIe M.2 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 302MB/s
Avg. Sequential Read Speed 1,198MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba XG5 NVMe PCIe M.2 256GB is 109%. This is a particularly wide range which indicates that the Toshiba XG5 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 262MB/s
Avg. Sequential Write Speed 415MB/s
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Average Bench

(Based on 12,698 samples)
Rank 116128%
Min Avg Max
476 Read 1,198 1,793
61.4 Write 415 1,021
110 Mixed 440 1,028
51.9 SusWrite 262 495
127% 579 MB/s
Min Avg Max
13 4K Read 32.2 45
23.6 4K Write 96.4 137
17 4K Mixed 41.3 61.9
153% 56.7 MB/s
Min Avg Max
161 DQ Read 439 733
58.7 DQ Write 354 913
57 DQ Mixed 302 627
252% 365 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
192GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 155 302 320 317 313 304 MB/s
181% Outstanding
Read 1,542
Write 414
Mixed 844
SusWrite 285
169% 771 MB/s
4K Read 44.5
4K Write 118
4K Mixed 61.8
209% 74.8 MB/s
DQ Read 737
DQ Write 929
DQ Mixed 333
390% 666 MB/s
29GB free
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 609 304 260 308 243 225 MB/s
170% Outstanding
Read 1,535
Write 341
Mixed 1,060
SusWrite 325
180% 815 MB/s
4K Read 40.5
4K Write 97.8
4K Mixed 57.1
186% 65.1 MB/s
DQ Read 715
DQ Write 674
DQ Mixed 630
491% 673 MB/s
191GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 381 579 463 321 400 326 MB/s
162% Outstanding
Read 1,131
Write 848
Mixed 770
SusWrite 412
176% 790 MB/s
4K Read 44
4K Write 120
4K Mixed 63.1
211% 75.6 MB/s
DQ Read 740
DQ Write 438
DQ Mixed 220
263% 466 MB/s
193GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 231 326 301 326 331 216 MB/s
157% Outstanding
Read 1,083
Write 444
Mixed 876
SusWrite 288
149% 673 MB/s
4K Read 40.2
4K Write 104
4K Mixed 61.1
194% 68.5 MB/s
DQ Read 673
DQ Write 910
DQ Mixed 468
444% 684 MB/s
189GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 331 327 332 337 334 318 MB/s
137% Outstanding
Read 1,226
Write 333
Mixed 395
SusWrite 330
125% 571 MB/s
4K Read 33
4K Write 116
4K Mixed 46.7
171% 65.3 MB/s
DQ Read 361
DQ Write 333
DQ Mixed 290
233% 328 MB/s
75GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 170 195 207 213 204 190 MB/s
129% Outstanding
Read 1,502
Write 309
Mixed 348
SusWrite 196
127% 589 MB/s
4K Read 30.9
4K Write 90.6
4K Mixed 42.5
149% 54.7 MB/s
DQ Read 248
DQ Write 215
DQ Mixed 296
204% 253 MB/s
36GB free (System drive)
Firmware: 4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 302 257 214 186 163 165 MB/s
122% Outstanding
Read 1,135
Write 185
Mixed 468
SusWrite 215
109% 500 MB/s
4K Read 38.9
4K Write 114
4K Mixed 30.6
158% 61.1 MB/s
DQ Read 423
DQ Write 329
DQ Mixed 296
243% 349 MB/s
65GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 73 94 136 163 185 180 MB/s
103% Outstanding
Read 857
Write 110
Mixed 213
SusWrite 139
71% 330 MB/s
4K Read 32
4K Write 101
4K Mixed 44.6
159% 59.2 MB/s
DQ Read 401
DQ Write 106
DQ Mixed 187
155% 231 MB/s
12,698 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 12,089,043 SSDs tested.

 Prices

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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 XG5 NVMe PCIe M.2 256GB Builds (Compare 4,792 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 109%
UFO
Desktop
Desktop 101%
UFO
Workstation
Workstation 91%
Nuclear submarine

System: Alienware Aurora R7

CPU
Core i7-8700Intel  $304Bench 102%, 59,663 samples2,189x
Core i7-8700KIntel  $360Bench 109%, 249,526 samples1,605x
Core i5-8400Intel  $185Bench 89%, 64,001 samples868x
GPU
GTX 1080Nvidia  $528Bench 123%, 366,495 samples1,346x
GTX 1080-TiNvidia  $808Bench 151%, 283,614 samples1,092x
GTX 1070Nvidia  $336Bench 97%, 455,284 samples1,009x
SSD
XG5 NVMe PCIe M.2 256GBToshiba  $53Bench 128%, 12,698 samples1,435x
RAM
8ATF1G64AZ-2G6H1 2x8GBUnknownBench 79%, 2,827 samples1,088x
M378A1K43CB2-CTD 2x8GBUnknownBench 79%, 1,149 samples563x
8ATF1G64AZ-2G6E1 2x8GBUnknownBench 80%, 1,412 samples477x
EDIT WITH CUSTOM PC BUILDER Value: 104% - Outstanding Total price: $884

Popular XG5 NVMe PCIe M.2 256GB systems:

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Solid State Drive Rankings (Price vs Performance) February 2019 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

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Reaching its prime
Age: 17 months

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 Frequently Asked Questions

Storage Devices FAQ
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i7-8700K $360Nvidia GTX 1070 $336Samsung 850 Evo 250GB $78
AMD Ryzen 5 1600 $149Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $90
Intel Core i5-8600K $259Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $115SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $750SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $41Corsair Vengeance LPX DDR4 3200 C16 2x8GB $126SanDisk Ultra Fit 32GB $12
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