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Amd-raid

WDC WD40EFAX-68J 4TB

▲ 500 ▼

Release date ≈ Q3 2020.

Average Bench: 66.7% (149th of 1015)

more Based on 388 user benchmarks.  Models: AMD-RAID WDC WD40EFAX-68J, WDC WD40 EFAX-68JH4N1, WDC WD40 EFAX-68JH4N0, WDC WD40EFAX-68J, WDC WD40EFAX-68JH4N1, WDC WD40EFAX-68JH4N0, WDC WD40EFAX-68MR2N0
Poor: 13%Average: 66.7% Great: 110%

Popular builds with this HDD

Above average average bench

The Amd-raid WDC WD40EFAX-68J 4TB averaged 33.3% 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 5.04MB/s
Avg. 4K Random Write Speed 4.95MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Amd-raid WDC WD40EFAX-68J 4TB is 96.4%. This is a particularly wide range which indicates that the Amd-raid WDC WD40EFAX-68J 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 54.3MB/s
Avg. Sustained Write Speed 106MB/s
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Average Bench

(Based on 388 samples)
Rank 14966.7%
Min Avg Max
9.74 Read 124 219
17.9 Write 106 180
10.5 Mixed 54.3 96.4
19 SusWrite 106 181
71.2% 97.5 MB/s
Min Avg Max
0.1 4K Read 5.04 26.4
0.3 4K Write 4.95 7.9
0.1 4K Mixed 0.64 1.1
373% 3.54 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
85GB free
Firmware: 83.00A83
SusWrite @10s intervals: 170 169 171 172 165 94 MB/s
102% Outstanding
Read 184
Write 183
Mixed 88.1
SusWrite 157
112% 153 MB/s
4K Read 34.9
4K Write 7.9
4K Mixed 1.1
1,723% 14.6 MB/s
3.5TB free
Firmware: 83.00A83
SusWrite @10s intervals: 160 160 158 158 161 166 MB/s
90.3% Outstanding
Read 152
Write 158
Mixed 68.7
SusWrite 160
98% 135 MB/s
4K Read 4
4K Write 7.3
4K Mixed 0.8
391% 4.03 MB/s
859GB free
Firmware: 83.00A83
SusWrite @10s intervals: 158 148 153 150 149 144 MB/s
82.2% Excellent
Read 133
Write 151
Mixed 78.4
SusWrite 150
94% 128 MB/s
4K Read 4.7
4K Write 7.9
4K Mixed 0.8
431% 4.47 MB/s
2.5TB free
Firmware: 82.00A82
SusWrite @10s intervals: 126 125 125 125 124 126 MB/s
50% Average
Read 47.4
Write 76.8
Mixed 25.9
SusWrite 125
50% 68.8 MB/s
4K Read 0.2
4K Write 6.5
4K Mixed 1
240% 2.57 MB/s
640GB free
Firmware: 83.00A83
SusWrite @10s intervals: 82 111 72 85 76 90 MB/s
48.8% Average
Read 82.7
Write 63.3
Mixed 23.1
SusWrite 85.8
46% 63.7 MB/s
4K Read 1.4
4K Write 5.5
4K Mixed 0.7
238% 2.53 MB/s
289GB free
Firmware: 83.00A83
SusWrite @10s intervals: 120 146 150 153 151 148 MB/s
44.1% Average
Read 9.2
Write 26.9
Mixed 13.7
SusWrite 145
35% 48.6 MB/s
4K Read 0.3
4K Write 1
4K Mixed 0.1
42% 0.47 MB/s
308GB free
Firmware: 83.00A83
SusWrite @10s intervals: 61 55 61 61 63 72 MB/s
43.9% Average
Read 88.6
Write 101
Mixed 78.8
SusWrite 62.4
62% 82.8 MB/s
4K Read 0.6
4K Write 7.2
4K Mixed 0.9
258% 2.9 MB/s
70GB free
Firmware: 82.00A82
SusWrite @10s intervals: 72 30 39 30 27 30 MB/s
39.7% Below average
Read 98
Write 89.4
Mixed 31.9
SusWrite 38
47% 64.3 MB/s
4K Read 1
4K Write 7.6
4K Mixed 0.9
282% 3.17 MB/s
388 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,306,122 HDDs 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 WDC WD40EFAX-68J 4TB Builds (Compare 10,167 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 60%
Gunboat
Workstation
Workstation 7%
Tree trunk

Motherboard: Intel H61

CPU
Core i5-3470Intel  $59Bench 63%, 223,595 samples1,963x
Core i7-3770Intel  $297Bench 69%, 278,207 samples996x
Core i5-2400Intel  $250Bench 61%, 166,255 samples988x
GPU
HD 2500 (Desktop 1.05 GHz)IntelBench 1%, 146,665 samples2,004x
HD 2000 (Desktop 1.1 GHz)IntelBench 1%, 150,891 samples1,354x
GeForce GT 730NvidiaBench 5%, 164,888 samples704x
SSD
A400 240GBKingston  $28Bench 66%, 424,288 samples486x
256GB 256GBSSDBench 77%, 9,229 samples267x
128GB 128GBSSDBench 65%, 7,332 samples264x
RAM
2x8GBUnknownBench 64%, 236,291 samples597x
1x8GBUnknownBench 38%, 168,538 samples584x
1x4GBUnknownBench 28%, 154,807 samples242x
EDIT WITH CUSTOM PC BUILDER Value: 72% - Very good Total price: $87

Popular WDC WD40EFAX-68J 4TB compatible motherboards:

How Fast Is Your HDD? (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.

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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
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  • - Compare your in-game FPS to other users with your hardware
Hard Drive Rankings (Price vs Performance) April 2024 HDD Rankings

We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. 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 HDDs. [HDrivePro]

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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

vs Seagate Barracuda 1TB (2016)
vs WD Blue 1TB (2012)
vs Seagate Barracuda 2TB (2016)
vs Seagate Barracuda 3TB (2016)
vs Seagate Barracuda 7200.14 1TB
vs WD Black 1TB (2013)
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1015 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different HDDs 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?
What is 4K random write speed?
What is 4K random read speed?
What is AS SSD real world copy speed?
How big is 16GB?
What does MBps mean?
Hard Drives
What is the Hard Drive value for money rating?
What is effective Hard Drive speed?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair 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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