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Jmicron

Generic 40GB

▲ 5044 ▼

Release date ≈ Q2 2017.

Average Bench: 25.2% (1040th of 1072)

Based on 52 user benchmarks.  Model: JMicron Generic
Poor: 13%Average: 25.2% Great: 32%

Very poor average bench

The Jmicron Generic 40GB averaged 74.7% 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 12.6MB/s
Avg. 4K-64Thread Mixed IO Speed 34.1MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Jmicron Generic 40GB is just 18.3%. This is a relatively narrow range which indicates that the Jmicron Generic 40GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 45.5MB/s
Avg. Sustained Write Speed 46.3MB/s
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Average Bench

(Based on 52 samples)
Rank 104025.2%
Min Avg Max
38.4 Read 161 193
35.8 Write 45.5 48
36.6 Mixed 67.2 75.2
39 SusWrite 46.3 47.7
17.6% 79.9 MB/s
Min Avg Max
8.27 4K Read 12.6 15.5
11 4K Write 19.3 27.7
7.39 4K Mixed 11.3 15.5
43.8% 14.4 MB/s
Min Avg Max
11.8 DQ Read 84.4 111
16.6 DQ Write 34.1 37.7
7.4 DQ Mixed 34.1 49.3
31.9% 50.9 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
9GB free
Firmware: 0214
SusWrite @10s intervals: 47 47 47 47 47 47 MB/s
34% Below average
Read 175
Write 46.8
Mixed 69.3
SusWrite 47.1
18% 84.6 MB/s
4K Read 19
4K Write 33.2
4K Mixed 17
68% 23.1 MB/s
DQ Read 112
DQ Write 39.4
DQ Mixed 52.3
45% 67.8 MB/s
36GB free
Firmware: 0209
SusWrite @10s intervals: 48 48 48 48 48 48 MB/s
30.8% Below average
Read 194
Write 47.8
Mixed 72
SusWrite 47.7
20% 90.3 MB/s
4K Read 14.8
4K Write 25.6
4K Mixed 15
55% 18.5 MB/s
DQ Read 106
DQ Write 36.5
DQ Mixed 49.6
42% 64.2 MB/s
36GB free
Firmware: 8101
SusWrite @10s intervals: 45 46 47 44 47 46 MB/s
29.2% Poor
Read 185
Write 46.8
Mixed 70
SusWrite 45.8
19% 86.8 MB/s
4K Read 14.9
4K Write 20.7
4K Mixed 14.1
52% 16.6 MB/s
DQ Read 105
DQ Write 36.1
DQ Mixed 48.2
42% 63.2 MB/s
4GB free
Firmware: 0209
SusWrite @10s intervals: 48 43 39 42 38 31 MB/s
28% Poor
Read 198
Write 48
Mixed 70.1
SusWrite 40.2
19% 89 MB/s
4K Read 13
4K Write 19.1
4K Mixed 13.2
47% 15.1 MB/s
DQ Read 109
DQ Write 36.9
DQ Mixed 50.5
43% 65.6 MB/s
36GB free
Firmware: 8101
SusWrite @10s intervals: 47 47 47 47 47 47 MB/s
24.4% Poor
Read 170
Write 47.2
Mixed 70.5
SusWrite 47.1
18% 83.6 MB/s
4K Read 10.4
4K Write 16.1
4K Mixed 10.7
38% 12.4 MB/s
DQ Read 99
DQ Write 37.4
DQ Mixed 43.8
39% 60.1 MB/s
36GB free
Firmware: 8101
SusWrite @10s intervals: 47 47 45 45 47 44 MB/s
21% Poor
Read 108
Write 46.2
Mixed 63
SusWrite 45.8
14% 65.6 MB/s
4K Read 10.8
4K Write 13.3
4K Mixed 10.4
37% 11.5 MB/s
DQ Read 78.3
DQ Write 36.9
DQ Mixed 41.6
35% 52.3 MB/s
52 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,784,581 SSDs tested

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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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  • 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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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?
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 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) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $79G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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