Average Bench: 191% (64th of 1003)

Based on 1,278 user benchmarks.  Models: NVMe TOSHIBA-RD400, TOSHIBA-RD400

Outstanding average bench

The Toshiba OCZ RD400 NVMe PCIe M.2 512GB averaged 91.4% 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 605MB/s
Avg. 4K-64Thread Read Speed 856MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba OCZ RD400 NVMe PCIe M.2 512GB is 125%. 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 38.9MB/s
Avg. Sequential Mixed IO Speed 844MB/s
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Average Bench

(Based on 1,278 samples)
Min Avg Max
616 Read 1,122 1,501
270 Write 972 1,391
556 Mixed 844 992
226 SusWrite 879 1,431
214% 954 MB/s
Min Avg Max
21.2 4K Read 38.9 47.8
66.4 4K Write 124 172
34.1 4K Mixed 54.3 69.6
194% 72.4 MB/s
Min Avg Max
416 DQ Read 856 1,010
219 DQ Write 647 782
248 DQ Mixed 605 770
492% 703 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
378GB free (System drive)
Firmware: 57CZ Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1425 1451 1448 1459 1468 1490 MB/s
Read 1,550
Write 1,448
Mixed 996
SusWrite 1,457
306% 1,363 MB/s
4K Read 40.7
4K Write 144
4K Mixed 63.2
219% 82.7 MB/s
DQ Read 1,004
DQ Write 771
DQ Mixed 645
548% 807 MB/s
420GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1137 1113 1018 1247 1059 1215 MB/s
Read 1,304
Write 919
Mixed 854
SusWrite 1,131
236% 1,052 MB/s
4K Read 37.4
4K Write 131
4K Mixed 65.2
210% 77.9 MB/s
DQ Read 927
DQ Write 632
DQ Mixed 690
539% 750 MB/s
430GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1117 1020 964 1067 1139 1163 MB/s
Read 1171
Write 1,069
Mixed 973
SusWrite 1,078
242% 1,073 MB/s
4K Read 45
4K Write 135
4K Mixed 65.6
224% 81.9 MB/s
DQ Read 935
DQ Write 763
DQ Mixed 602
518% 766 MB/s
429GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 992 1034 1102 1170 1135 1079 MB/s
Read 1,226
Write 744
Mixed 955
SusWrite 1,085
225% 1,003 MB/s
4K Read 45.2
4K Write 130
4K Mixed 53.6
206% 76.2 MB/s
DQ Read 921
DQ Write 746
DQ Mixed 609
517% 759 MB/s
441GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1104 1330 1305 1388 1396 1318 MB/s
Read 952
Write 1159
Mixed 934
SusWrite 1,307
246% 1,088 MB/s
4K Read 41
4K Write 107
4K Mixed 56.7
191% 68.1 MB/s
DQ Read 807
DQ Write 689
DQ Mixed 618
499% 705 MB/s
275GB free (System drive)
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1089 1213 1328 880 81 276 MB/s
Read 1,151
Write 830
Mixed 968
SusWrite 811
211% 940 MB/s
4K Read 44.8
4K Write 149
4K Mixed 55.7
218% 83.2 MB/s
DQ Read 977
DQ Write 755
DQ Mixed 766
600% 833 MB/s
1,278 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,013,832 SSDs tested.

 Prices

AmazonUS $1954 mins
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Typical OCZ RD400 NVMe PCIe M.2 512GB Builds (Compare 14,803 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 122%
UFO
Desktop
Desktop 107%
UFO
Workstation
Workstation 115%
UFO

Motherboard: Asus CROSSHAIR VI HERO - $180

EDIT WITH CUSTOM PC BUILDER Value: 112% - Outstanding Total price: $1,475

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

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Solid State Drive Rankings (Price vs Performance) June 2019 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

1003 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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