Average Bench: 192% (77th of 1016)

Based on 1,914 user benchmarks.  Models: NVMe TOSHIBA-RD400, TOSHIBA-RD400

Outstanding average bench

The Toshiba OCZ RD400 NVMe PCIe M.2 512GB averaged 92.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Toshiba OCZ RD400 NVMe PCIe M.2 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 615MB/s
Avg. 4K-64Thread Read Speed 884MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba OCZ RD400 NVMe PCIe M.2 512GB is 146%. This is a particularly wide range which indicates that the Toshiba OCZ RD400 NVMe PCIe M.2 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 38.2MB/s
Avg. Sustained Write Speed 857MB/s
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Average Bench

(Based on 1,914 samples)
Min Avg Max
519 Read 1,145 1,553
267 Write 985 1,445
565 Mixed 861 1,012
204 SusWrite 857 1,482
216% 962 MB/s
Min Avg Max
22.8 4K Read 38.2 47.5
70.5 4K Write 126 172
29.8 4K Mixed 55.9 70.3
196% 73.2 MB/s
Min Avg Max
478 DQ Read 884 1,011
251 DQ Write 643 776
258 DQ Mixed 615 778
500% 714 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
442GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1177 1318 1371 1390 1411 1484 MB/s
Read 1,349
Write 899
Mixed 971
SusWrite 1,358
257% 1,144 MB/s
4K Read 42.7
4K Write 116
4K Mixed 58.9
201% 72.4 MB/s
DQ Read 768
DQ Write 742
DQ Mixed 743
561% 751 MB/s
261GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 779 701 737 825 689 681 MB/s
Read 1,040
Write 732
Mixed 737
SusWrite 736
182% 811 MB/s
4K Read 45.6
4K Write 142
4K Mixed 65.7
228% 84.5 MB/s
DQ Read 1,007
DQ Write 722
DQ Mixed 644
541% 791 MB/s
274GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 861 842 908 900 1011 1410 MB/s
Read 777
Write 454
Mixed 916
SusWrite 989
177% 784 MB/s
4K Read 35.3
4K Write 131
4K Mixed 49
186% 71.9 MB/s
DQ Read 766
DQ Write 734
DQ Mixed 654
517% 718 MB/s
73GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 715 350 227 212 240 240 MB/s
Read 672
Write 1,198
Mixed 903
SusWrite 331
176% 776 MB/s
4K Read 40.7
4K Write 116
4K Mixed 55.7
194% 70.7 MB/s
DQ Read 838
DQ Write 730
DQ Mixed 625
512% 731 MB/s
194GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 478 403 354 364 332 321 MB/s
Read 515
Write 552
Mixed 547
SusWrite 375
112% 497 MB/s
4K Read 23
4K Write 70.7
4K Mixed 45
130% 46.2 MB/s
DQ Read 760
DQ Write 436
DQ Mixed 166
239% 454 MB/s
1,914 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,624,497 SSDs tested.

 Prices

AmazonUS $2714 months
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Typical OCZ RD400 NVMe PCIe M.2 512GB Builds (Compare 20,482 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 98%
Nuclear submarine
Desktop
Desktop 99%
Nuclear submarine
Workstation
Workstation 67%
Battle cruiser

Motherboard: Asus MAXIMUS VIII HERO - $220

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $1,364

Popular OCZ RD400 NVMe PCIe M.2 512GB 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.

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How it works

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Solid State Drive Rankings (Price vs Performance) January 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

1016 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

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