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WDC

WD40 EMAZ-51TKPB0 4TB

WD40 EMAZ-51TKPB0 4TB
BENCHMARKS (5)
MKT (%)
(0)

Effective Speed -2,401%Effective Speed -2,401%Average Score -4,123%Read -2,456%, Write -3,000%, 4K Read -637%, 4K Write -2,547%, Mixed -2,891%, 4K Mixed -15,256%, SusWrite -2,076%Peak Score Read -3,141%, Write -3,683%, 4K Read -628%, 4K Write -4,207%, Mixed -3,790%, 4K Mixed -27,275%, SusWrite -2,574%Value & Sentiment -37%User Rating -37%Nice To Haves DQ Read -257,764%, DQ Write -17,836%, DQ Mixed -190,718%, ADQ Read -201,246%, ADQ Write -11,985%, ADQ Mixed -141,254%, Age -101%, AS-SSD Total -6,464%

Average Bench: 21.8% (1063^rd of 1080)

Based on 5 user benchmarks. Model: WDC WD40 EMAZ-51TKPB0

Poor: 14%Average: 21.8% Great: 29%

Very poor average bench

The WDC WD40 EMAZ-51TKPB0 4TB averaged 78.1% 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 12.1MB/s

Avg. Sequential Write Speed 150MB/s

See where your SSD ranks →

Unknown consistency

There are too few samples to reasonably determine how consistently this SSD perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 4K-64Thread Read Speed 0.85MB/s

Avg. 4K-64Thread Mixed IO Speed 1.05MB/s

Average Bench

(Based on 5 samples)

Rank 106321.8%

Min	Avg	Max
131	Read 164	183
117	Write 150	170
88.7	Mixed 108	120
113	SusWrite 145	171
31.9% 142 MB/s

Min	Avg	Max
1.7	4K Read 12.1	26.4
6.1	4K Write 7.82	8.8
0.7	4K Mixed 0.72	0.8
23.4% 6.87 MB/s

Min	Avg	Max
0.8	DQ Read 0.85	0.9
10.2	DQ Write 10.4	10.6
1	DQ Mixed 1.05	1.1
2.17% 4.1 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

GBR-User, 2 years ago.

1.5TB free

Firmware: 0508

SusWrite @10s intervals: 161 161 163 162 165 163 MB/s

27.1% Poor

Write 151

Mixed 114

SusWrite 162

34% 152 MB/s

4K Read 20.8

4K Write 8.1

4K Mixed 0.7

37% 9.87 MB/s

DQ Read 0.8

DQ Write 10.1

DQ Mixed 1.3

2% 4.07 MB/s

DEU-User, 2 years ago.

2TB free

Firmware: 80.0

SusWrite @10s intervals: 114 113 114 112 114 112 MB/s

25.7% Poor

Write 142

Mixed 111

SusWrite 113

30% 132 MB/s

4K Read 26.4

4K Write 8.8

4K Mixed 0.7

46% 12 MB/s

DQ Read 0.8

DQ Write 10.2

DQ Mixed 1

2% 4 MB/s

DEU-User, 2 years ago.

992GB free

Firmware: 0

SusWrite @10s intervals: 117 119 121 119 121 119 MB/s

14.5% Very poor

Write 117

Mixed 88.7

SusWrite 119

26% 114 MB/s

4K Read 1.7

4K Write 6.1

4K Mixed 0.8

7% 2.87 MB/s

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 77,219,675 SSDs tested

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Solid State Drive Rankings (Price vs Performance) October 2024 SSD Rankings

Welcome to our 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]

Group Test Results

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Fastest real world speed - Real World Speed measures performance for typical consumers.

1080 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

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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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ALL FAQs »

CPU	GPU	SSD
Intel Core i5-12600K $165	Nvidia RTX 4060 $299	WD Black SN850X M.2 2TB $135
Intel Core i5-12400F $112	Nvidia RTX 4060-Ti $389	WD Black SN850X M.2 1TB $80
Intel Core i5-13600K $226	Nvidia RTX 4070 $500	Crucial T700 M.2 4TB $350

WDC

WD40 EMAZ-51TKPB0 4TB

Average Bench: 21.8% (1063^rd of 1080)

Very poor average bench

Strengths

Unknown consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

UserBenchmark of the month

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Speed Comparisons

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Best User Rated

WDC

WD40 EMAZ-51TKPB0 4TB

Average Bench: 21.8% (1063rd of 1080)

Very poor average bench

Strengths

Unknown consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 21.8% (1063^rd of 1080)