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Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

▲ 5113 ▼

Release date ≈ Q3 2017.

Average Bench: 128% (155th of 1034)

Based on 31,071 user benchmarks.  Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA
Poor: 73%Average: 128% Great: 190%

Popular builds with this SSD

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 27.6% 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 295MB/s
Avg. Sequential Read Speed 1,192MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba XG5 NVMe PCIe M.2 256GB is 117%. 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 237MB/s
Avg. Sequential Write Speed 358MB/s
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Average Bench

(Based on 31,071 samples)
Rank 155128%
Min Avg Max
362 Read 1,192 1,821
34.2 Write 358 1,017
60.8 Mixed 408 1,081
27.2 SusWrite 237 492
120% 549 MB/s
Min Avg Max
12.5 4K Read 34.8 48.6
19.5 4K Write 99 145
15.1 4K Mixed 41.5 66.3
158% 58.5 MB/s
Min Avg Max
256 DQ Read 445 732
41.1 DQ Write 337 880
62.5 DQ Mixed 295 626
246% 359 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
129GB free (System drive)
Firmware: AADA4101 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 328 305 311 313 337 284 MB/s
140% Outstanding
Read 1,538
Write 333
Mixed 442
SusWrite 313
143% 656 MB/s
4K Read 28.3
4K Write 98.4
4K Mixed 37.9
144% 54.9 MB/s
DQ Read 381
DQ Write 332
DQ Mixed 213
199% 309 MB/s
165GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 217 311 297 284 288 274 MB/s
130% Outstanding
Read 1,124
Write 280
Mixed 435
SusWrite 278
116% 530 MB/s
4K Read 27.2
4K Write 102
4K Mixed 42.3
149% 57.2 MB/s
DQ Read 372
DQ Write 594
DQ Mixed 356
306% 441 MB/s
88GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 289 301 293 238 203 181 MB/s
124% Outstanding
Read 1,119
Write 342
Mixed 348
SusWrite 251
112% 515 MB/s
4K Read 29.6
4K Write 141
4K Mixed 31
159% 67.3 MB/s
DQ Read 441
DQ Write 327
DQ Mixed 293
244% 354 MB/s
74GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 35 53 58 75 103 129 MB/s
109% Outstanding
Read 1,331
Write 92.5
Mixed 138
SusWrite 75.4
87% 409 MB/s
4K Read 29.3
4K Write 64.9
4K Mixed 38.3
128% 44.2 MB/s
DQ Read 430
DQ Write 68.7
DQ Mixed 104
113% 201 MB/s
22GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 43 58 67 84 103 107 MB/s
103% Outstanding
Read 1,410
Write 76.2
Mixed 126
SusWrite 76.9
89% 423 MB/s
4K Read 25.2
4K Write 55.3
4K Mixed 32
108% 37.5 MB/s
DQ Read 299
DQ Write 65.5
DQ Mixed 118
104% 161 MB/s
135GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 277 244 215 219 195 195 MB/s
95% Outstanding
Read 651
Write 217
Mixed 324
SusWrite 224
78% 354 MB/s
4K Read 26.5
4K Write 91.3
4K Mixed 30.9
128% 49.6 MB/s
DQ Read 430
DQ Write 310
DQ Mixed 240
214% 326 MB/s
60GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 33 18 19 51 49 51 MB/s
94% Outstanding
Read 1147
Write 74
Mixed 114
SusWrite 36.9
72% 343 MB/s
4K Read 27.5
4K Write 55.6
4K Mixed 32.6
113% 38.6 MB/s
DQ Read 432
DQ Write 54.6
DQ Mixed 95.4
107% 194 MB/s
132GB free (System drive)
Firmware: AADA4104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 304 283 295 271 280 290 MB/s
90.3% Outstanding
Read 389
Write 131
Mixed 158
SusWrite 287
54% 241 MB/s
4K Read 33.5
4K Write 82.8
4K Mixed 43.9
151% 53.4 MB/s
DQ Read 401
DQ Write 63.1
DQ Mixed 226
167% 230 MB/s
31,071 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,504,720 SSDs tested.

 Prices

EbayUS $361 min
AmazonUS $5014 months
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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 3,476 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 94%
Nuclear submarine
Desktop
Desktop 93%
Nuclear submarine
Workstation
Workstation 85%
Aircraft carrier

System: Alienware Aurora R7

CPU
Core i7-8700Intel  $300Bench 90%, 205,433 samples1,729x
Core i7-8700KIntel  $300Bench 93%, 506,066 samples926x
Core i5-8400Intel  $172Bench 85%, 195,999 samples695x
GPU
GTX 1080Nvidia  $540Bench 102%, 770,090 samples832x
GTX 1070Nvidia  $415Bench 78%, 913,064 samples747x
GTX 1080-TiNvidia  $808Bench 129%, 534,898 samples514x
SSD
XG5 NVMe PCIe M.2 256GBToshiba  $36Bench 128%, 31,071 samples631x
RAM
8ATF1G64AZ-2G6H1 2x8GBUnknownBench 79%, 4,574 samples470x
HMA81GU6CJR8N-VK 2x8GBUnknownBench 79%, 3,619 samples369x
8ATF1G64AZ-2G6E1 2x8GBUnknownBench 79%, 5,337 samples307x
EDIT WITH CUSTOM PC BUILDER Value: 59% - Above average Total price: $876

Popular XG5 NVMe PCIe M.2 256GB systems:

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  • - CPU tests include: integer, floating and string.
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Solid State Drive Rankings (Price vs Performance) September 2020 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
6,888

Poor (edit your comment) Add link

13 months 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?
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9600K $193Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $43
Intel Core i7-9700K $290Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
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