Average Bench: 77.3% (482nd of 1026)

Based on 1,360 user benchmarks.  Models: TS256GSSD340, TS256GSS D340

Good average bench

The Transcend SSD340 256GB averaged 22.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Transcend SSD340 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 118MB/s
Avg. 4K Random Mixed IO Speed 34.2MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Transcend SSD340 256GB is 44.6%. This is a relatively wide range which indicates that the Transcend SSD340 256GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 210MB/s
Avg. Sustained Write Speed 211MB/s

Average Bench

(Based on 1,360 samples)
Min Avg Max
335 Read 423 486
76.1 Write 221 305
114 Mixed 210 269
58.4 SusWrite 211 301
59.2% 266 MB/s
Min Avg Max
16.2 4K Read 25.2 31.5
33.4 4K Write 73.8 108
20.6 4K Mixed 34.2 45
121% 44.4 MB/s
Min Avg Max
171 DQ Read 234 312
80.5 DQ Write 222 311
43.2 DQ Mixed 118 151
119% 191 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
206GB free (System drive)
Firmware: SVN059
SusWrite @10s intervals: 296 302 305 303 305 306 MB/s
Read 457
Write 306
Mixed 248
SusWrite 303
73% 328 MB/s
4K Read 29.1
4K Write 89.3
4K Mixed 41.6
145% 53.3 MB/s
DQ Read 286
DQ Write 304
DQ Mixed 148
152% 246 MB/s
39GB free (System drive)
Firmware: SVN423b
SusWrite @10s intervals: 225 282 299 300 302 281 MB/s
Read 403
Write 308
Mixed 248
SusWrite 282
69% 310 MB/s
4K Read 22.1
4K Write 80.4
4K Mixed 34.4
120% 45.6 MB/s
DQ Read 309
DQ Write 308
DQ Mixed 148
155% 255 MB/s
178GB free (System drive)
Firmware: SVN263
SusWrite @10s intervals: 212 209 210 213 208 208 MB/s
Read 463
Write 217
Mixed 214
SusWrite 210
61% 276 MB/s
4K Read 26.8
4K Write 76.4
4K Mixed 35.8
127% 46.3 MB/s
DQ Read 189
DQ Write 220
DQ Mixed 114
111% 175 MB/s
1,360 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 28,626,604 SSDs tested.


AmazonUS $1942 years
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Typical SSD340 256GB Builds (Compare 3,132 builds) See popular component choices, score breakdowns and rankings.
Gaming 50%
Desktop 62%
Workstation 46%

Motherboard: Asus Rampage III Extreme

EDIT WITH CUSTOM PC BUILDER Value: 37% - Below average Total price: $875

Popular SSD340 256GB compatible motherboards:

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

Welcome to our freeware 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 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.
  • - 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.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) July 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]


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.


1026 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 i5-9600K $190Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $47
Intel Core i5-9400F $150Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $339Nvidia RTX 2070S (Super) $510Samsung 850 Pro 512GB $249
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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