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OWC

Mercury EXTREME Pro SSD 40GB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 23.5% (1046th of 1072)

Based on 11 user benchmarks.  Model: OWC Mercury EXTREME Pro SSD
Poor: 11%Average: 23.5% Great: 30%

Popular builds with this SSD

Very poor average bench

The OWC Mercury EXTREME Pro SSD 40GB averaged 76.5% 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 13.5MB/s
Avg. 4K Random Write Speed 28.4MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the OWC Mercury EXTREME Pro SSD 40GB is just 18.8%. This is a relatively narrow range which indicates that the OWC Mercury EXTREME Pro SSD 40GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 45.8MB/s
Avg. Sequential Write Speed 48.4MB/s
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Average Bench

(Based on 11 samples)
Rank 104623.5%
Min Avg Max
58.9 Read 117 142
15.5 Write 48.4 58.3
33.5 Mixed 68.9 78
44.4 SusWrite 45.8 47.6
15.5% 70 MB/s
Min Avg Max
3.82 4K Read 13.5 23.4
4.26 4K Write 28.4 55.6
3.07 4K Mixed 9.28 22.2
47.4% 17.1 MB/s
Min Avg Max
4.6 DQ Read 63.2 111
7.9 DQ Write 40.2 61.2
4.42 DQ Mixed 24.5 77
25.6% 42.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
7GB free (System drive)
Firmware: 320A13F0
SusWrite @10s intervals: 47 39 45 46 45 44 MB/s
37.9% Below average
Read 116
Write 57.1
Mixed 76.5
SusWrite 44.4
16% 73.6 MB/s
4K Read 20.3
4K Write 55.6
4K Mixed 22.2
89% 32.7 MB/s
DQ Read 99.7
DQ Write 58.6
DQ Mixed 70.5
55% 76.3 MB/s
11GB free (System drive)
Firmware: 361A13F0
SusWrite @10s intervals: 48 41 48 47 49 48 MB/s
29.9% Poor
Read 118
Write 58.1
Mixed 76.5
SusWrite 46.6
17% 74.8 MB/s
4K Read 13.8
4K Write 37.7
4K Mixed 15.4
61% 22.3 MB/s
DQ Read 111
DQ Write 61.2
DQ Mixed 77
60% 83.2 MB/s
15GB free
Firmware: 320A13F0
SusWrite @10s intervals: 45 45 45 44 44 45 MB/s
26.8% Poor
Read 117
Write 56.5
Mixed 75.7
SusWrite 44.7
16% 73.4 MB/s
4K Read 23.4
4K Write 9.9
4K Mixed 13.9
58% 15.7 MB/s
DQ Read 61.1
DQ Write 19.3
DQ Mixed 26.3
23% 35.6 MB/s
15GB free
Firmware: 320A13F0
SusWrite @10s intervals: 49 47 46 46 44 45 MB/s
26.8% Poor
Read 127
Write 58.3
Mixed 76.3
SusWrite 45.8
17% 76.8 MB/s
4K Read 22.8
4K Write 10.5
4K Mixed 13.2
57% 15.5 MB/s
DQ Read 61.2
DQ Write 20.5
DQ Mixed 26.3
23% 36 MB/s
14GB free (System drive)
Firmware: 361A13F0 Max speed: SATA 2.0 300 MB/s
20.9% Poor
Read 132
Write 48.3
Mixed 75.4
19% 85.1 MB/s
4K Read 10.4
4K Write 33.8
4K Mixed 4.68
40% 16.3 MB/s
DQ Read 12.6
DQ Write 51.8
DQ Mixed 26.5
22% 30.3 MB/s
5GB free (System drive)
Firmware: 320A13F0
SusWrite @10s intervals: 47 42 50 48 49 49 MB/s
11.1% Very poor
Read 66.7
Write 50.7
Mixed 57.7
SusWrite 47.6
12% 55.7 MB/s
4K Read 4.2
4K Write 10.7
4K Mixed 4.1
17% 6.33 MB/s
DQ Read 4.6
DQ Write 7.9
DQ Mixed 4.8
4% 5.77 MB/s
11 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,809,334 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Mercury EXTREME Pro SSD 40GB Builds (Compare 11,622 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 7%
Tree trunk
Desktop
Desktop 59%
Gunboat
Workstation
Workstation 7%
Tree trunk

Motherboard: Dell OptiPlex 7010

CPU
Core i5-3470Intel  $59Bench 63%, 223,595 samples3,930x
Core i7-3770Intel  $297Bench 69%, 278,207 samples3,553x
Core i5-3570IntelBench 65%, 104,858 samples1,613x
GPU
HD 2500 (Desktop 1.05 GHz)IntelBench 1%, 146,665 samples2,193x
GT 1030NvidiaBench 14%, 185,384 samples986x
GTX 1050-TiNvidia  $59Bench 29%, 946,701 samples935x
SSD
Mercury EXTREME Pro SSD 40GBOWCBench 23%, 11 samples1x
RAM
2x8GBUnknownBench 64%, 236,291 samples226x
HMT351U6CFR8C-PB 2x4GBHynixBench 53%, 17,809 samples158x
8JTF51264AZ-1G6E1 4x4GBMicronBench 56%, 6,584 samples152x
EDIT WITH CUSTOM PC BUILDER Value: 97% - Outstanding Total price: $59

Popular Mercury EXTREME Pro SSD 40GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
Solid State Drive Rankings (Price vs Performance) May 2024 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.

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Speed Comparisons

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1072 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

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?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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