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Samsung

PM871 2. 128GB

▲ 500 ▼

Release date ≈ Q2 2016.

Average Bench: 38.4% (956th of 1072)

Based on 18 user benchmarks.  Model: SAMSUNG SSD PM871 2.
Poor: 31%Average: 38.4% Great: 47%

Poor average bench

The Samsung PM871 2. 128GB averaged 61.5% 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 20.2MB/s
Avg. 4K Random Mixed IO Speed 19.8MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Samsung PM871 2. 128GB is just 16.3%. This is a relatively narrow range which indicates that the Samsung PM871 2. 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 50.8MB/s
Avg. Sustained Write Speed 110MB/s
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Average Bench

(Based on 18 samples)
Rank 95638.4%
Min Avg Max
85.7 Read 171 253
38.1 Write 114 155
38.4 Mixed 111 143
21.2 SusWrite 110 145
28.2% 126 MB/s
Min Avg Max
8.1 4K Read 20.2 29.8
10.6 4K Write 33 45.3
8.4 4K Mixed 19.8 26.5
73.4% 24.3 MB/s
Min Avg Max
27.6 DQ Read 50.8 200
39.5 DQ Write 61 70.5
10.6 DQ Mixed 33.7 66.5
31.6% 48.5 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
34GB free (System drive)
Firmware: EMT0
SusWrite @10s intervals: 65 45 31 27 21 20 MB/s
47.5% Average
Read 253
Write 43.8
Mixed 59.2
SusWrite 34.9
21% 97.8 MB/s
4K Read 29.8
4K Write 45
4K Mixed 22.6
98% 32.5 MB/s
DQ Read 200
DQ Write 58.9
DQ Mixed 66.5
66% 109 MB/s
92GB free (System drive)
Firmware: EMT0
SusWrite @10s intervals: 135 136 136 151 152 151 MB/s
46.8% Average
Read 190
Write 154
Mixed 141
SusWrite 144
35% 157 MB/s
4K Read 23.8
4K Write 42.8
4K Mixed 25.5
91% 30.7 MB/s
DQ Read 30
DQ Write 70.5
DQ Mixed 32.2
30% 44.2 MB/s
58GB free (System drive)
Firmware: EMT0
SusWrite @10s intervals: 116 109 93 109 143 137 MB/s
46.2% Average
Read 181
Write 103
Mixed 108
SusWrite 118
28% 128 MB/s
4K Read 25.3
4K Write 45.3
4K Mixed 26.5
96% 32.4 MB/s
DQ Read 30
DQ Write 64
DQ Mixed 27
26% 40.3 MB/s
39GB free (System drive)
Firmware: EMT0
SusWrite @10s intervals: 33 26 22 17 15 14 MB/s
41.1% Average
Read 216
Write 38.1
Mixed 38.4
SusWrite 21.2
17% 78.4 MB/s
4K Read 28.8
4K Write 29.1
4K Mixed 20.4
85% 26.1 MB/s
DQ Read 200
DQ Write 43.1
DQ Mixed 55.2
58% 99.5 MB/s
88GB free (System drive)
Firmware: EMT0
SusWrite @10s intervals: 115 115 121 120 122 122 MB/s
39.5% Below average
Read 177
Write 123
Mixed 133
SusWrite 119
31% 138 MB/s
4K Read 20.4
4K Write 29.4
4K Mixed 21.6
74% 23.8 MB/s
DQ Read 29.5
DQ Write 67
DQ Mixed 31.9
29% 42.8 MB/s
71GB free (System drive)
Firmware: EMT0
SusWrite @10s intervals: 56 62 58 62 61 65 MB/s
17.8% Very poor
Read 85.7
Write 83.7
Mixed 66.6
SusWrite 60.8
17% 74.2 MB/s
4K Read 8.1
4K Write 10.6
4K Mixed 8.4
29% 9.03 MB/s
DQ Read 27.6
DQ Write 50.3
DQ Mixed 10.6
16% 29.5 MB/s
18 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,666,246 SSDs tested

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Solid State Drive Rankings (Price vs Performance) April 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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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 $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
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
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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