Average Bench: 125% (186th of 1072)

Based on 44,050 user benchmarks.  Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 24.7% 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.


Avg. 4K-64Thread Mixed IO Speed 313MB/s
Avg. Sequential Read Speed 1,131MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba XG5 NVMe PCIe M.2 256GB is 120%. This is a particularly wide range which indicates that the Toshiba XG5 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 260MB/s
Avg. Sequential Write Speed 401MB/s

Average Bench

(Based on 44,050 samples)
Min Avg Max
362 Read 1,131 1,787
47.5 Write 401 1,013
71.5 Mixed 446 1,064
18.8 SusWrite 260 529
123% 559 MB/s
Min Avg Max
13.1 4K Read 32 47.3
20.4 4K Write 95.9 142
15.1 4K Mixed 40.6 65
151% 56.2 MB/s
Min Avg Max
239 DQ Read 447 733
37.9 DQ Write 336 882
52.2 DQ Mixed 313 626
255% 365 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
161GB free (System drive)
Firmware: AADA4101 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 343 330 332 334 318 314 MB/s
Read 1,961
Write 1,044
Mixed 1,161
SusWrite 329
248% 1,124 MB/s
4K Read 54.1
4K Write 195
4K Mixed 80.7
289% 110 MB/s
DQ Read 755
DQ Write 961
DQ Mixed 622
535% 779 MB/s
189GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 348 480 354 303 332 303 MB/s
Read 1150
Write 981
Mixed 855
SusWrite 353
186% 835 MB/s
4K Read 29.9
4K Write 54.5
4K Mixed 36.9
121% 40.4 MB/s
DQ Read 483
DQ Write 306
DQ Mixed 361
278% 383 MB/s
21GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 24 15 9 5.5 6.7 58 MB/s
Read 1,528
Write 49.2
Mixed 85.3
SusWrite 19.6
88% 420 MB/s
4K Read 33.2
4K Write 40.7
4K Mixed 39.2
122% 37.7 MB/s
DQ Read 404
DQ Write 35.4
DQ Mixed 64.1
86% 168 MB/s
59GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 319 216 211 183 164 149 MB/s
Read 1,080
Write 332
Mixed 371
SusWrite 207
109% 498 MB/s
4K Read 22.1
4K Write 67.8
4K Mixed 27.9
105% 39.3 MB/s
DQ Read 373
DQ Write 330
DQ Mixed 260
220% 321 MB/s
44,050 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,134,089 SSDs tested


If you buy via one of these links, our site may earn a commission

EbayUS $3321 mins
AmazonUS $504 years
Send price feedback
Typical XG5 NVMe PCIe M.2 256GB Builds (Compare 5,072 builds) See popular component choices, score breakdowns and rankings
Gaming 91%
Nuclear submarine
Desktop 90%
Nuclear submarine
Workstation 83%
Aircraft carrier

System: Alienware Aurora R7

EDIT WITH CUSTOM PC BUILDER Value: 70% - Very good Total price: $673

Popular XG5 NVMe PCIe M.2 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
Solid State Drive Rankings (Price vs Performance) February 2024 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]


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.


Added n/a ago.

Poor (edit your comment) Add link

4 years ago.

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

1072 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-13600K $285Nvidia RTX 4060 $285Crucial MX500 250GB $31
Intel Core i5-12400F $146Nvidia RTX 4060-Ti $360Samsung 850 Evo 120GB $80
Intel Core i5-12600K $170Nvidia RTX 4070 $530Samsung 860 Evo 250GB $49
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $64G.SKILL Trident Z DDR4 3200 C14 4x16GB $346SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback