Controller: Samsung Triple Core MEX. Memory: Samsung 40nm TLC V-NAND

Controller: Silicon Motion SM2246EN. NAND: Micron 16nm MLC.

Real World Speed
Performance profile from 25,814 user samples
23,604 User Benchmarks
Best Bench: 117% 315GB free
Worst Bench: 74% 161GB free
Poor: 74% Great: 117%
SPEED RANK: 64th / 873
2,210 User Benchmarks
Best Bench: 103% 666GB free
Worst Bench: 63% 931GB free
Poor: 63% Great: 103%
SPEED RANK: 139th / 873
Effective Speed
Effective SSD Speed
97.6 % Faster effective speed.
84.5 % -16%
Avg. Sequential Read Speed
498 MB/s +1% 492 MB/s -1%
Avg. Sequential Write Speed
395 MB/s -2% 403 MB/s +2%
4K Read
Avg. 4K Random Read Speed
38 MB/s Much faster random read.
21.4 MB/s -78%
4K Write
Avg. 4K Random Write Speed
78.7 MB/s -4% 81.6 MB/s +4%
Avg. Sequential Mixed IO Speed
402 MB/s -9% 437 MB/s Slightly faster mixed IO speed.
4K Mixed
Avg. 4K Random Mixed IO Speed
35.8 MB/s Much faster random mixed IO.
24.4 MB/s -47%
Peak Sequential Read Speed
521 MB/s 0% 521 MB/s 0%
Peak Sequential Write Speed
415 MB/s -4% 432 MB/s +4%
4K Read
Peak 4K Random Read Speed
46.9 MB/s Much faster peak random read.
29 MB/s -62%
4K Write
Peak 4K Random Write Speed
105 MB/s -10% 116 MB/s Slightly faster peak random write.
Peak Sequential Mixed IO Speed
427 MB/s -9% 465 MB/s Slightly faster peak mixed IO speed.
4K Mixed
Peak 4K Random Mixed IO Speed
51.4 MB/s Much faster peak random mixed IO.
37.4 MB/s -37%
Market Share
Based on 5,230,364 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.69 % Insanely higher market share.
0.02 % -3,350%
Value For Money
118 % +4% 114 % -4%
User Rating
UBM User Rating
67 % More popular.
54 % -24%
Price (score)
$293 -13% $255 Slightly cheaper.
37 Months -5% 35 Months Slightly more recent.
DQ Read
Peak 4K-64Thread Read Speed
379 MB/s Much faster peak deep queue read.
275 MB/s -38%
DQ Write
Peak 4K-64Thread Write Speed
284 MB/s -4% 294 MB/s +4%
AS-SSD Total
AS-SSD Total Score
1,166 Pts Stronger server IO.
997 Pts -17%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
135 MB/s Hugely faster peak deep queue mixed IO.
73.8 MB/s -83%
ADQ Read
Avg. 4K-64Thread Read Speed
225 MB/s Much faster deep queue read.
148 MB/s -52%
ADQ Write
Avg. 4K-64Thread Write Speed
203 MB/s -4% 211 MB/s +4%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
86.2 MB/s Much faster deep queue mixed IO.
48.1 MB/s -79%

The Mushkin Reactor features the same Silicon Motion SM2246EN controller found on both the Crucial BX100 and the Transcend SSD370. All three drives also feature Micron MLC NAND and consequently they all share a similar (and strong) performance profile. These drives were the last batch (early 2015) of budget drives to utilize MLC rather than TLC NAND and as a result they all have reasonably strong sustained write speeds. The more recent trend for budget drives is to utilize a small SLC write cache coupled with TLC NAND, a combination which results in severe write speed degradation upon cache exhaustion. The Mushkin Reactor doesn’t have this problem and both the 500GB and 1TB Reactors only lag the market leading 850 Evo slightly on performance. At today’s prices the 1TB Reactor offers better value for money than the market leading Samsung 850 Evo (compare them). See the current market leaders here[May '16 SSDrivePro]


Solid State Drive Rankings (Price vs Performance) January 2018 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]

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.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

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The Best.
Intel Core i7-7700K $280Nvidia GTX 1070 $430Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $290Nvidia GTX 1060-6GB $275Samsung 850 Evo 500GB $140
Intel Core i5-7600K $210AMD RX 480 $400Samsung 850 Pro 256GB $110
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $205SanDisk Extreme 64GB $65
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $51Corsair Vengeance LPX DDR4 3200 C16 2x8GB $220SanDisk Ultra Fit 32GB $12
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