Average Bench: 182% (54th of 959)

Based on 1,816 user benchmarks.  Models: NVMe TOSHIBA-RD400, TOSHIBA-RD400

Outstanding average bench

The Toshiba OCZ RD400 NVMe PCIe M.2 256GB averaged 81.6% 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 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 360MB/s
Avg. Sequential Read Speed 1,398MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba OCZ RD400 NVMe PCIe M.2 256GB is 91.9%. This is a particularly wide range which indicates that the Toshiba OCZ RD400 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 706MB/s
Avg. 4K Random Read Speed 36.8MB/s
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Average Bench

(Based on 1,816 samples)
Min Avg Max
672 Read 1,398 1,985
434 Write 866 1,104
515 Mixed 914 1,328
248 SusWrite 706 1066
216% 971 MB/s
Min Avg Max
25.4 4K Read 36.8 45.8
70.4 4K Write 120 168
24.6 4K Mixed 47.8 64
180% 68.1 MB/s
Min Avg Max
34.2 DQ Read 521 844
107 DQ Write 451 746
24.2 DQ Mixed 360 649
304% 444 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
200GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 940 977 1079 992 936 990 MB/s
Read 1,312
Write 931
Mixed 827
SusWrite 986
227% 1,014 MB/s
4K Read 42.1
4K Write 143
4K Mixed 61.3
218% 82.3 MB/s
DQ Read 833
DQ Write 738
DQ Mixed 602
501% 724 MB/s
172GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 965 906 922 1063 1123 1101 MB/s
Read 1,207
Write 987
Mixed 783
SusWrite 1,013
224% 998 MB/s
4K Read 37.9
4K Write 116
4K Mixed 51.6
185% 68.6 MB/s
DQ Read 816
DQ Write 747
DQ Mixed 574
488% 712 MB/s
176GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 668 788 836 819 786 863 MB/s
Read 1,053
Write 448
Mixed 659
SusWrite 793
165% 738 MB/s
4K Read 47.2
4K Write 152
4K Mixed 66.4
237% 88.7 MB/s
DQ Read 836
DQ Write 624
DQ Mixed 546
458% 669 MB/s
140GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 664 713 672 700 737 666 MB/s
Read 1,374
Write 892
Mixed 788
SusWrite 692
209% 937 MB/s
4K Read 41
4K Write 135
4K Mixed 62.6
214% 79.4 MB/s
DQ Read 832
DQ Write 613
DQ Mixed 650
505% 698 MB/s
73GB free (System drive)
Firmware: 57CZ Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 662 502 417 435 400 394 MB/s
Read 1,075
Write 750
Mixed 722
SusWrite 468
168% 754 MB/s
4K Read 36.7
4K Write 142
4K Mixed 38.2
180% 72.4 MB/s
DQ Read 824
DQ Write 680
DQ Mixed 563
473% 689 MB/s
1,816 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,161,475 SSDs tested.

 Prices

EbayUS $14945 mins
AmazonUS $15032 mins
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Typical OCZ RD400 NVMe PCIe M.2 256GB Builds (Compare 4,625 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 121%
UFO
Desktop
Desktop 98%
Nuclear submarine
Workstation
Workstation 105%
UFO

Motherboard: Asrock X370 Taichi - $184

EDIT WITH CUSTOM PC BUILDER Value: 99% - Outstanding Total price: $1,426

Popular OCZ RD400 NVMe PCIe M.2 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.

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Solid State Drive Rankings (Price vs Performance) October 2018 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

959 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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