Average Bench: 187% (94th of 1040)

Based on 2,255 user benchmarks.  Models: NVMe TOSHIBA-RD400, TOSHIBA-RD400

Outstanding average bench

The Toshiba OCZ RD400 NVMe PCIe M.2 512GB averaged 87.2% 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 595MB/s
Avg. 4K-64Thread Read Speed 876MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba OCZ RD400 NVMe PCIe M.2 512GB is 134%. 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 38.4MB/s
Avg. Sustained Write Speed 807MB/s
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Average Bench

(Based on 2,255 samples)
Min Avg Max
509 Read 1,124 1,534
236 Write 948 1430
454 Mixed 825 1,012
196 SusWrite 807 1,471
208% 926 MB/s
Min Avg Max
18.3 4K Read 38.4 47.7
64.3 4K Write 122 169
34.8 4K Mixed 55.5 70
194% 71.9 MB/s
Min Avg Max
450 DQ Read 876 1011
204 DQ Write 624 772
213 DQ Mixed 595 777
486% 698 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
401GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1205 1336 1359 1494 1389 1518 MB/s
Read 1,488
Write 1,304
Mixed 1,030
SusWrite 1,383
293% 1,301 MB/s
4K Read 46.5
4K Write 172
4K Mixed 66.7
247% 94.9 MB/s
DQ Read 975
DQ Write 753
DQ Mixed 676
557% 802 MB/s
262GB free (System drive)
Firmware: 57CZ Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 726 689 564 791 729 722 MB/s
Read 1,152
Write 1,456
Mixed 983
SusWrite 704
242% 1,074 MB/s
4K Read 46.6
4K Write 156
4K Mixed 68.1
240% 90.3 MB/s
DQ Read 1,007
DQ Write 735
DQ Mixed 621
532% 788 MB/s
71GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 306 202 173 222 233 190 MB/s
Read 1,106
Write 300
Mixed 926
SusWrite 221
141% 638 MB/s
4K Read 40.6
4K Write 62.4
4K Mixed 57.2
168% 53.4 MB/s
DQ Read 964
DQ Write 542
DQ Mixed 533
456% 680 MB/s
326GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 564 487 776 678 610 670 MB/s
Read 822
Write 742
Mixed 735
SusWrite 631
165% 732 MB/s
4K Read 19.5
4K Write 117
4K Mixed 45.4
150% 60.5 MB/s
DQ Read 182
DQ Write 148
DQ Mixed 139
111% 156 MB/s
74GB free
Firmware: 57CZ Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 119 102 105 107 107 108 MB/s
Read 1,253
Write 158
Mixed 147
SusWrite 108
89% 417 MB/s
4K Read 50.2
4K Write 1.9
4K Mixed 3.7
82% 18.6 MB/s
2,255 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 34,687,156 SSDs tested.

 Prices

AmazonUS $27114 months
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Typical OCZ RD400 NVMe PCIe M.2 512GB Builds (Compare 199 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 164%
UFO
Desktop
Desktop 100%
Nuclear submarine
Workstation
Workstation 164%
UFO

Motherboard: Asus ROG MAXIMUS XI APEX

EDIT WITH CUSTOM PC BUILDER Value: 42% - Average Total price: $1,923

Popular OCZ RD400 NVMe PCIe M.2 512GB compatible motherboards:

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Solid State Drive Rankings (Price vs Performance) November 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

1040 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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