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Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

▲ 5117 ▼

Release date ≈ Q3 2017.

Average Bench: 125% (173rd of 1058)

Based on 43,251 user benchmarks.  Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA
Poor: 71%Average: 125% Great: 195%

Popular builds with this SSD

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 25.1% 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 304MB/s
Avg. Sequential Read Speed 1,159MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba XG5 NVMe PCIe M.2 256GB is 124%. 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 248MB/s
Avg. Sequential Write Speed 389MB/s
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Average Bench

(Based on 43,251 samples)
Rank 173125%
Min Avg Max
404 Read 1,159 1,814
42.3 Write 389 1,019
68.6 Mixed 439 1,087
18.9 SusWrite 248 495
122% 559 MB/s
Min Avg Max
12.3 4K Read 33.6 47.3
20.8 4K Write 94.7 144
16 4K Mixed 40.3 65.3
153% 56.2 MB/s
Min Avg Max
243 DQ Read 447 727
40.6 DQ Write 326 814
48.4 DQ Mixed 304 625
250% 359 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
162GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 291 311 295 286 278 265 MB/s
143% Outstanding
Read 1,421
Write 862
Mixed 392
SusWrite 288
163% 741 MB/s
4K Read 21.1
4K Write 111
4K Mixed 44.6
148% 59 MB/s
DQ Read 443
DQ Write 584
DQ Mixed 519
390% 515 MB/s
84GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 303 216 291 295 316 325 MB/s
142% Outstanding
Read 1,402
Write 957
Mixed 352
SusWrite 291
165% 751 MB/s
4K Read 24.4
4K Write 112
4K Mixed 43.1
151% 59.7 MB/s
DQ Read 443
DQ Write 503
DQ Mixed 589
412% 512 MB/s
66GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 321 294 227 249 220 206 MB/s
129% Outstanding
Read 1,471
Write 328
Mixed 146
SusWrite 253
118% 549 MB/s
4K Read 14.3
4K Write 90
4K Mixed 40.8
122% 48.4 MB/s
DQ Read 390
DQ Write 326
DQ Mixed 299
240% 338 MB/s
162GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 356 328 303 331 295 314 MB/s
123% Outstanding
Read 850
Write 267
Mixed 378
SusWrite 321
100% 454 MB/s
4K Read 30.9
4K Write 110
4K Mixed 44.2
162% 61.8 MB/s
DQ Read 432
DQ Write 443
DQ Mixed 452
336% 442 MB/s
114GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 292 298 270 253 241 244 MB/s
115% Outstanding
Read 904
Write 341
Mixed 404
SusWrite 266
105% 479 MB/s
4K Read 29.2
4K Write 94
4K Mixed 41
146% 54.7 MB/s
DQ Read 399
DQ Write 358
DQ Mixed 228
212% 328 MB/s
41GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 7.9 4.7 4 3.9 4 4.1 MB/s
114% Outstanding
Read 1,753
Write 18.7
Mixed 31.7
SusWrite 4.8
94% 452 MB/s
4K Read 47.2
4K Write 14.9
4K Mixed 23.2
109% 28.4 MB/s
DQ Read 481
DQ Write 12.7
DQ Mixed 22.8
73% 172 MB/s
105GB free (System drive)
Firmware: AAHA4103 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 37 64 106 166 196 246 MB/s
95.7% Outstanding
Read 956
Write 79.9
Mixed 116
SusWrite 136
69% 322 MB/s
4K Read 29.5
4K Write 54.9
4K Mixed 39.7
125% 41.4 MB/s
DQ Read 402
DQ Write 46.6
DQ Mixed 80.6
95% 176 MB/s
203GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 268 315 316 296 306 293 MB/s
91.8% Outstanding
Read 408
Write 239
Mixed 313
SusWrite 299
70% 315 MB/s
4K Read 24.2
4K Write 117
4K Mixed 28.1
134% 56.3 MB/s
DQ Read 432
DQ Write 337
DQ Mixed 263
230% 344 MB/s
53GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 22 17 8.4 3.3 2.2 1.5 MB/s
63.1% Good
Read 819
Write 48.4
Mixed 60.2
SusWrite 9.1
49% 234 MB/s
4K Read 21.7
4K Write 26.4
4K Mixed 14.2
65% 20.8 MB/s
DQ Read 442
DQ Write 24.9
DQ Mixed 46.1
81% 171 MB/s
43,251 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 57,420,205 SSDs tested.

 Prices

AmazonUS $503 years
EbayUS $10212 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 9,417 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 95%
Nuclear submarine
Desktop
Desktop 91%
Nuclear submarine
Workstation
Workstation 86%
Aircraft carrier

System: Alienware Aurora R7

CPU
Core i7-8700Intel  $173Bench 88%, 355,950 samples4,897x
Core i7-8700KIntel  $300Bench 89%, 699,090 samples2,540x
Core i5-8400Intel  $172Bench 85%, 303,512 samples1,630x
GPU
GTX 1080Nvidia  $400Bench 106%, 1,005,992 samples2,314x
GTX 1070Nvidia  $138Bench 80%, 1,277,123 samples1,962x
GTX 1080-TiNvidia  $861Bench 137%, 717,838 samples1,308x
SSD
XG5 NVMe PCIe M.2 256GBToshiba  $50Bench 125%, 43,251 samples1,686x
RAM
8ATF1G64AZ-2G6H1 2x8GBUnknownBench 78%, 8,965 samples1,190x
HMA81GU6CJR8N-VK 2x8GBUnknownBench 80%, 6,858 samples1,026x
8ATF1G64AZ-2G6E1 2x8GBUnknownBench 80%, 9,200 samples922x
EDIT WITH CUSTOM PC BUILDER Value: 70% - Very good Total price: $623

Popular XG5 NVMe PCIe M.2 256GB systems:

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Solid State Drive Rankings (Price vs Performance) August 2022 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
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8,832

Poor (edit your comment) Add link

3 years ago.

runs slower than regular SSD. Price is cheap but it's not worth it

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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?
What’s the difference between SATA, PCIe and NVMe?
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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-12600K $275Nvidia RTX 3060-Ti $470Crucial MX500 250GB $40
Intel Core i5-12400F $160Nvidia RTX 3070 $535Samsung 850 Evo 120GB $106
Intel Core i7-12700K $350Nvidia RTX 3050 $325Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $58SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $33Corsair Vengeance LPX DDR4 3000 C15 2x8GB $64SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $449SanDisk Ultra Fit 32GB $16
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