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Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

▲ 513 ▼

Release date ≈ Q3 2017.

VS

Average Bench: 127% (105th of 976)

Based on 10,068 user benchmarks.  Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA
Poor: 79%Average: 127% Great: 182%

Popular builds with this SSD

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 27.1% 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 307MB/s
Avg. Sequential Read Speed 1,202MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba XG5 NVMe PCIe M.2 256GB is 103%. 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 413MB/s
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Average Bench

(Based on 10,068 samples)
Rank 105127%
Min Avg Max
482 Read 1,202 1,796
58.9 Write 413 1,019
96 Mixed 443 1,023
65.8 SusWrite 262 470
127% 580 MB/s
Min Avg Max
14.1 4K Read 30 45.7
37.6 4K Write 94.5 132
19.3 4K Mixed 41.4 63.3
148% 55.3 MB/s
Min Avg Max
187 DQ Read 441 721
46.1 DQ Write 339 843
52.2 DQ Mixed 307 628
252% 362 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
187GB free (System drive)
Firmware: 4101 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 350 321 339 338 338 311 MB/s
193% Outstanding
Read 1,754
Write 967
Mixed 1,128
SusWrite 333
232% 1,046 MB/s
4K Read 45.5
4K Write 122
4K Mixed 64.2
216% 77.3 MB/s
DQ Read 628
DQ Write 956
DQ Mixed 636
525% 740 MB/s
187GB free (System drive)
Firmware: 4101 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 309 323 338 308 324 328 MB/s
191% Outstanding
Read 1767
Write 532
Mixed 1,120
SusWrite 322
206% 935 MB/s
4K Read 45
4K Write 120
4K Mixed 61.9
211% 75.5 MB/s
DQ Read 732
DQ Write 868
DQ Mixed 224
329% 608 MB/s
100GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 268 228 208 228 203 210 MB/s
146% Outstanding
Read 1,677
Write 327
Mixed 400
SusWrite 224
142% 657 MB/s
4K Read 30.3
4K Write 102
4K Mixed 42.8
155% 58.4 MB/s
DQ Read 428
DQ Write 336
DQ Mixed 278
236% 347 MB/s
140GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 294 288 259 281 277 269 MB/s
138% Outstanding
Read 1,247
Write 418
Mixed 438
SusWrite 278
130% 595 MB/s
4K Read 32.8
4K Write 121
4K Mixed 47.5
175% 67.2 MB/s
DQ Read 437
DQ Write 327
DQ Mixed 292
242% 352 MB/s
85GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 82 171 203 225 244 277 MB/s
134% Outstanding
Read 1,657
Write 110
Mixed 145
SusWrite 200
112% 528 MB/s
4K Read 33.1
4K Write 74.1
4K Mixed 44.3
146% 50.5 MB/s
DQ Read 400
DQ Write 59.7
DQ Mixed 100
107% 187 MB/s
37GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 328 247 224 190 165 154 MB/s
80.4% Excellent
Read 108
Write 266
Mixed 388
SusWrite 218
56% 245 MB/s
4K Read 28.4
4K Write 96.9
4K Mixed 41.7
148% 55.7 MB/s
DQ Read 433
DQ Write 332
DQ Mixed 188
194% 318 MB/s
138GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 271 275 270 254 248 251 MB/s
77.7% Very good
Read 212
Write 374
Mixed 327
SusWrite 262
67% 294 MB/s
4K Read 21.5
4K Write 75.7
4K Mixed 31.7
113% 43 MB/s
DQ Read 406
DQ Write 415
DQ Mixed 306
259% 376 MB/s
65GB free (System drive)
Firmware: AADA4101 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 286 246 200 189 166 158 MB/s
74.1% Very good
Read 319
Write 315
Mixed 409
SusWrite 208
70% 313 MB/s
4K Read 25.7
4K Write 59.5
4K Mixed 31.3
110% 38.8 MB/s
DQ Read 370
DQ Write 283
DQ Mixed 227
197% 293 MB/s
10,068 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 10,388,192 SSDs tested.

 Prices

EbayUS $5415 mins
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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 3,788 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 110%
UFO
Desktop
Desktop 101%
UFO
Workstation
Workstation 92%
Nuclear submarine

System: Alienware Aurora R7

CPU
Core i7-8700Intel  $310Bench 102%, 41,712 samples1,712x
Core i7-8700KIntel  $370Bench 107%, 193,105 samples1,314x
Core i5-8400Intel  $220Bench 88%, 52,353 samples665x
GPU
GTX 1080Nvidia  $490Bench 124%, 370,991 samples1,084x
GTX 1080-TiNvidia  $808Bench 153%, 234,642 samples911x
GTX 1070Nvidia  $330Bench 99%, 414,715 samples798x
SSD
XG5 NVMe PCIe M.2 256GBToshiba  $54Bench 127%, 10,068 samples1,209x
RAM
8ATF1G64AZ-2G6H1 2x8GBUnknownBench 79%, 2,385 samples958x
M378A1K43CB2-CTD 2x8GBUnknownBench 79%, 918 samples469x
8ATF1G64AZ-2G6E1 2x8GBUnknownBench 80%, 950 samples346x
EDIT WITH CUSTOM PC BUILDER Value: 107% - Outstanding Total price: $854

Popular XG5 NVMe PCIe M.2 256GB systems:

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Solid State Drive Rankings (Price vs Performance) December 2018 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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Age: 15 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 $370Nvidia GTX 1070 $330Samsung 850 Evo 250GB $63
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $210Samsung 850 Evo 500GB $90
Intel Core i5-8600K $249Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $125SanDisk Extreme 64GB $72
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $830SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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