Average Bench: 193% (19th of 859)

Based on 885 user benchmarks.  Models: NVMe TOSHIBA-RD400, TOSHIBA-RD400

Outstanding average bench

The Toshiba OCZ RD400 NVMe PCIe M.2 256GB averaged 92.7% 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. Sequential Read Speed 1,775MB/s
Avg. Sequential Mixed IO Speed 1,149MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba OCZ RD400 NVMe PCIe M.2 256GB is 101%. 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. 4K-64Thread Read Speed 266MB/s
Avg. 4K-64Thread Write Speed 286MB/s
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Average Bench

(Based on 885 samples)
Min Avg Max
771 Read 1,775 2,100
599 Write 919 1,118
710 Mixed 1,149 1,362
282% 1,281 MB/s
Min Avg Max
23.5 4K Read 38.6 44.9
49.8 4K Write 118 186
21.6 4K Mixed 42.7 63.4
176% 66.4 MB/s
Min Avg Max
29 DQ Read 266 629
79.3 DQ Write 286 550
19.4 DQ Mixed 108 241
128% 220 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
223GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
4KALIGNED
Read 1,979
Write 1,100
Mixed 1,186
313% 1,422 MB/s
4K Read 42.9
4K Write 183
4K Mixed 60.7
240% 95.7 MB/s
DQ Read 395
DQ Write 540
DQ Mixed 37.1
148% 324 MB/s
223GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
4KALIGNED
Read 1,977
Write 1,099
Mixed 1,233
317% 1,436 MB/s
4K Read 41
4K Write 170
4K Mixed 61.5
231% 90.7 MB/s
DQ Read 563
DQ Write 474
DQ Mixed 34
158% 357 MB/s
53GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 1,944
Write 989
Mixed 1,096
295% 1,343 MB/s
4K Read 41.8
4K Write 161
4K Mixed 66.9
234% 90 MB/s
DQ Read 575
DQ Write 447
DQ Mixed 252
259% 425 MB/s
33GB free
Firmware: 57CZ Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 1,813
Write 1,113
Mixed 1,291
311% 1,406 MB/s
4K Read 32.4
4K Write 126
4K Mixed 53.6
185% 70.7 MB/s
DQ Read 608
DQ Write 557
DQ Mixed 237
273% 468 MB/s
188GB free
Firmware: 57CZ Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 1,844
Write 1,080
Mixed 1,309
312% 1,411 MB/s
4K Read 36.6
4K Write 184
4K Mixed 25.5
186% 82.1 MB/s
DQ Read 617
DQ Write 442
DQ Mixed 31.5
158% 364 MB/s
177GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 1,981
Write 1,064
Mixed 1,201
312% 1,415 MB/s
4K Read 41.2
4K Write 86.8
4K Mixed 56.5
181% 61.5 MB/s
DQ Read 302
DQ Write 125
DQ Mixed 101
105% 176 MB/s
189GB free
Firmware: 57CZ Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 1,887
Write 267
Mixed 475
188% 877 MB/s
4K Read 45.5
4K Write 99.9
4K Mixed 53.4
190% 66.3 MB/s
DQ Read 496
DQ Write 156
DQ Mixed 136
150% 263 MB/s
885 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,842,931 SSDs tested.

 Prices

EbayUS $148.996 mins ago.
AmazonUS $155.822 mins ago.
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Typical RD400 NVMe PCIe M.2 256GB Builds (Compare 515 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 42%
Speed boat
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 51%
Yacht

Motherboard: Asrock 970 Performance

EDIT WITH CUSTOM PC BUILDER Value: 80% - Very good Total price: $608

Popular RD400 NVMe PCIe M.2 256GB compatible motherboards:

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Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

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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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Intel Core i5-7600K $220Nvidia GTX 1060-6GB $265Samsung 850 Evo 500GB $149
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Seagate Barracuda 7200.14 1TB $40HyperX Fury DDR4 2133 C14 2x8GB $141SanDisk Extreme 16GB $20
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