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Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

▲ 516 ▼

Release date ≈ Q3 2017.

VS

Average Bench: 129% (127th of 1003)

Based on 16,473 user benchmarks.  Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA
Poor: 79%Average: 129% Great: 190%

Popular builds with this SSD

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 29.1% 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 312MB/s
Avg. Sequential Read Speed 1,191MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba XG5 NVMe PCIe M.2 256GB is 111%. 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 266MB/s
Avg. Sequential Write Speed 426MB/s
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Average Bench

(Based on 16,473 samples)
Rank 127129%
Min Avg Max
390 Read 1,191 1,790
44.1 Write 426 1,020
77.6 Mixed 463 1,086
33.2 SusWrite 266 534
129% 587 MB/s
Min Avg Max
14.5 4K Read 32.2 47.5
31.5 4K Write 97.9 144
16.6 4K Mixed 41.9 66.1
154% 57.4 MB/s
Min Avg Max
262 DQ Read 455 736
42.5 DQ Write 358 896
47.3 DQ Mixed 312 628
259% 375 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
147GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 301 329 303 309 303 268 MB/s
149% Outstanding
Read 1,679
Write 758
Mixed 806
SusWrite 302
195% 886 MB/s
4K Read 32
4K Write 93
4K Mixed 42.1
152% 55.7 MB/s
DQ Read 435
DQ Write 326
DQ Mixed 296
244% 352 MB/s
120GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 225 199 206 192 183 197 MB/s
148% Outstanding
Read 1,566
Write 318
Mixed 351
SusWrite 200
132% 609 MB/s
4K Read 28.8
4K Write 140
4K Mixed 49.5
181% 72.7 MB/s
DQ Read 429
DQ Write 330
DQ Mixed 295
244% 351 MB/s
44GB free (System drive)
Firmware: AADA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 290 261 211 198 183 170 MB/s
141% Outstanding
Read 1,617
Write 325
Mixed 396
SusWrite 219
138% 639 MB/s
4K Read 29.5
4K Write 94.1
4K Mixed 41.6
148% 55.1 MB/s
DQ Read 437
DQ Write 326
DQ Mixed 294
243% 352 MB/s
16GB free
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 187 170 157 156 149 149 MB/s
120% Outstanding
Read 1,384
Write 234
Mixed 175
SusWrite 161
105% 489 MB/s
4K Read 18.9
4K Write 104
4K Mixed 35.8
130% 52.8 MB/s
DQ Read 430
DQ Write 255
DQ Mixed 299
234% 328 MB/s
25GB free
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 100 114 130 137 138 140 MB/s
113% Outstanding
Read 1720
Write 118
Mixed 188
SusWrite 127
114% 538 MB/s
4K Read 32.7
4K Write 94.6
4K Mixed 4
105% 43.8 MB/s
DQ Read 230
DQ Write 146
DQ Mixed 265
177% 214 MB/s
177GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 309 300 303 293 301 300 MB/s
113% Outstanding
Read 841
Write 456
Mixed 424
SusWrite 301
112% 506 MB/s
4K Read 29.1
4K Write 89.4
4K Mixed 40.2
143% 52.9 MB/s
DQ Read 410
DQ Write 331
DQ Mixed 468
324% 403 MB/s
78GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 254 236 188 154 132 120 MB/s
97.1% Outstanding
Read 617
Write 246
Mixed 281
SusWrite 181
73% 331 MB/s
4K Read 29.2
4K Write 95.7
4K Mixed 40
146% 55 MB/s
DQ Read 401
DQ Write 334
DQ Mixed 288
237% 341 MB/s
72GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 283 230 201 194 167 163 MB/s
70.5% Very good
Read 252
Write 231
Mixed 347
SusWrite 206
58% 259 MB/s
4K Read 16.5
4K Write 108
4K Mixed 18.1
106% 47.6 MB/s
DQ Read 432
DQ Write 330
DQ Mixed 292
242% 351 MB/s
29GB free (System drive)
Firmware: 4101 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 298 262 211 177 155 136 MB/s
65.4% Good
Read 91
Write 308
Mixed 116
SusWrite 206
41% 180 MB/s
4K Read 2.1
4K Write 86.7
4K Mixed 36.3
96% 41.7 MB/s
DQ Read 430
DQ Write 381
DQ Mixed 294
251% 368 MB/s
16,473 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,196,494 SSDs tested.

 Prices

EbayUS $4515 mins
AmazonUS $509 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 6,322 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 109%
UFO
Desktop
Desktop 101%
UFO
Workstation
Workstation 92%
Nuclear submarine

System: Alienware Aurora R7

CPU
Core i7-8700Intel  $280Bench 103%, 92,361 samples3,022x
Core i7-8700KIntel  $350Bench 108%, 317,753 samples2,028x
Core i5-8400Intel  $196Bench 89%, 95,798 samples1,101x
GPU
GTX 1080Nvidia  $528Bench 122%, 462,708 samples1,743x
GTX 1070Nvidia  $335Bench 98%, 663,441 samples1,363x
GTX 1080-TiNvidia  $808Bench 151%, 355,445 samples1,355x
SSD
XG5 NVMe PCIe M.2 256GBToshiba  $45Bench 129%, 16,473 samples1,760x
RAM
8ATF1G64AZ-2G6H1 2x8GBUnknownBench 79%, 3,402 samples1,284x
M378A1K43CB2-CTD 2x8GBUnknownBench 80%, 1,554 samples693x
8ATF1G64AZ-2G6E1 2x8GBUnknownBench 80%, 2,054 samples678x
EDIT WITH CUSTOM PC BUILDER Value: 105% - Outstanding Total price: $853

Popular XG5 NVMe PCIe M.2 256GB systems:

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Solid State Drive Rankings (Price vs Performance) June 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

Added n/a ago.
USA-User
Avatar level
5,290

Average (edit your comment) Add link

2 months ago.

low temperature, but lose the speed

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 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i7-8700K $350Nvidia GTX 1070 $335Samsung 850 Evo 250GB $101
AMD Ryzen 5 2600 $144Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
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Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $75SanDisk Ultra Fit 32GB $12
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