Average Bench: 191% (18th of 850)

Based on 669 user benchmarks.  Models: NVMe TOSHIBA-RD400, TOSHIBA-RD400

Outstanding average bench

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

Strengths

Avg. Sequential Read Speed 1,757MB/s
Avg. Sequential Mixed IO Speed 1,151MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba OCZ RD400 NVMe PCIe M.2 256GB is 100%. 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 271MB/s
Avg. 4K-64Thread Write Speed 309MB/s
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Average Bench

(Based on 669 samples)
Min Avg Max
840 Read 1,757 2,033
598 Write 918 1,101
710 Mixed 1,151 1,364
281% 1,275 MB/s
Min Avg Max
23 4K Read 35.4 44.8
48.5 4K Write 122 187
20.8 4K Mixed 42 63.3
172% 66.3 MB/s
Min Avg Max
28 DQ Read 271 632
83.8 DQ Write 309 565
17.8 DQ Mixed 112 244
133% 230 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
211GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 2,338
Write 1,074
Mixed 1,275
343% 1,562 MB/s
4K Read 32.8
4K Write 99.1
4K Mixed 47.6
163% 59.9 MB/s
DQ Read 267
DQ Write 213
DQ Mixed 122
124% 201 MB/s
88GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 1,945
Write 818
Mixed 1,258
295% 1,341 MB/s
4K Read 40.9
4K Write 145
4K Mixed 38.6
188% 74.7 MB/s
DQ Read 43.9
DQ Write 377
DQ Mixed 30.4
77% 151 MB/s
62GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 1,935
Write 823
Mixed 1,213
291% 1,324 MB/s
4K Read 20.6
4K Write 39.8
4K Mixed 34
96% 31.5 MB/s
DQ Read 324
DQ Write 354
DQ Mixed 154
167% 277 MB/s
127GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
4KALIGNED
Read 1,836
Write 1,070
Mixed 1,126
297% 1,344 MB/s
4K Read 23.3
4K Write 41.7
4K Mixed 22.2
86% 29.1 MB/s
DQ Read 19.2
DQ Write 41.7
DQ Mixed 13.5
15% 24.8 MB/s
62GB free
Firmware: 57CZ4102 Max speed: PCIe 5,000 MB/s
SYSTEM 4KALIGNED
Read 1,807
Write 884
Mixed 1,129
280% 1,273 MB/s
4K Read 20.8
4K Write 42.9
4K Mixed 27.6
90% 30.5 MB/s
DQ Read 24.3
DQ Write 361
DQ Mixed 15
64% 133 MB/s
669 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,046,212 SSDs tested.

 Prices

AmazonUS $139.4722 mins ago.
EbayUS $174.9929 mins ago.
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Typical RD400 NVMe PCIe M.2 256GB Builds (Compare 450 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 42%
Speed boat
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 50%
Yacht

Motherboard: Asrock 970 Performance

EDIT WITH CUSTOM PC BUILDER Value: 84% - Excellent Total price: $571

Popular 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.

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  • - CPU tests include: integer, floating and string.
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  • - RAM tests include: single/multi core bandwidth and latency.
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Solid State Drive Rankings (Price vs Performance) June 2017 SSD Rankings.

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]

850 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-7700K $309Nvidia GTX 1070 $390Samsung 850 Evo 250GB $100
Intel Core i5-7600K $231AMD RX 480 $608Samsung 850 Pro 256GB $138
AMD Ryzen 7 1700 $280Nvidia GTX 1060-6GB $247Samsung 850 Evo 500GB $167
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $696SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $40HyperX Fury DDR4 2133 C14 2x8GB $133SanDisk Ultra Fit 32GB $13
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