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OWC

Mercury EXTREME Pro SSD 480GB

▲ 500 ▼

Release date ≈ Q4 2014.

Average Bench: 32.2% (1002nd of 1072)

Based on 28 user benchmarks.  Model: OWC Mercury EXTREME Pro SSD
Poor: 27%Average: 32.2% Great: 40%

Poor average bench

The OWC Mercury EXTREME Pro SSD 480GB averaged 67.8% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Read Speed 17.9MB/s
Avg. 4K-64Thread Mixed IO Speed 40.2MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the OWC Mercury EXTREME Pro SSD 480GB is just 12.5%. This is a relatively narrow range which indicates that the OWC Mercury EXTREME Pro SSD 480GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 41.5MB/s
Avg. 4K Random Write Speed 12.9MB/s
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Average Bench

(Based on 28 samples)
Rank 100232.2%
Min Avg Max
10 Read 184 257
9.8 Write 110 139
11.5 Mixed 131 166
5.5 SusWrite 102 139
29.4% 132 MB/s
Min Avg Max
0.4 4K Read 17.9 22.4
0.7 4K Write 12.9 16.3
2.5 4K Mixed 13.7 18.3
51.5% 14.8 MB/s
Min Avg Max
16.1 DQ Read 84.3 116
13.1 DQ Write 41.5 49.6
8.85 DQ Mixed 40.2 64.1
35.9% 55.3 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
322GB free
Firmware: 361A13F0
SusWrite @10s intervals: 138 137 138 137 139 137 MB/s
40.1% Average
Read 213
Write 139
Mixed 158
SusWrite 138
36% 162 MB/s
4K Read 21.8
4K Write 16
4K Mixed 18.3
65% 18.7 MB/s
DQ Read 90.9
DQ Write 49.3
DQ Mixed 60.8
48% 67 MB/s
248GB free
Firmware: 361A13F0
SusWrite @10s intervals: 134 133 135 134 134 137 MB/s
38.4% Below average
Read 191
Write 116
Mixed 136
SusWrite 134
32% 144 MB/s
4K Read 21.5
4K Write 14.3
4K Mixed 17.8
63% 17.9 MB/s
DQ Read 91.9
DQ Write 48.7
DQ Mixed 64.1
49% 68.2 MB/s
371GB free
Firmware: 361A13F0
SusWrite @10s intervals: 108 102 103 138 127 110 MB/s
34.3% Below average
Read 167
Write 132
Mixed 135
SusWrite 115
31% 137 MB/s
4K Read 17.2
4K Write 14.8
4K Mixed 17.5
56% 16.5 MB/s
DQ Read 91.4
DQ Write 43.2
DQ Mixed 50.9
42% 61.8 MB/s
447GB free
Firmware: 361A13F0
SusWrite @10s intervals: 104 95 107 111 109 105 MB/s
32.8% Below average
Read 178
Write 110
Mixed 151
SusWrite 105
30% 136 MB/s
4K Read 17.9
4K Write 10.4
4K Mixed 14.1
51% 14.1 MB/s
DQ Read 116
DQ Write 49.6
DQ Mixed 59.6
50% 75 MB/s
363GB free
Firmware: 361A13F0
SusWrite @10s intervals: 113 106 103 104 99 98 MB/s
32.4% Below average
Read 143
Write 134
Mixed 165
SusWrite 104
31% 137 MB/s
4K Read 19.2
4K Write 10.3
4K Mixed 16.5
56% 15.3 MB/s
DQ Read 91.5
DQ Write 48.3
DQ Mixed 51.5
43% 63.8 MB/s
261GB free
Firmware: 361A13F0
SusWrite @10s intervals: 103 105 103 99 95 98 MB/s
32.3% Below average
Read 144
Write 134
Mixed 158
SusWrite 100
30% 134 MB/s
4K Read 15.5
4K Write 15.8
4K Mixed 18.1
55% 16.5 MB/s
DQ Read 91.5
DQ Write 46.6
DQ Mixed 51.4
43% 63.2 MB/s
419GB free
Firmware: 361A13F0
SusWrite @10s intervals: 9.2 5.4 8.2 3.6 3.8 2.7 MB/s
2.24% Terrible
Read 10
Write 9.8
Mixed 11.5
SusWrite 5.5
2% 9.2 MB/s
4K Read 0.4
4K Write 0.7
4K Mixed 2.5
4% 1.2 MB/s
28 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,667,796 SSDs tested

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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.

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Speed Comparisons

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 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
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WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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