Average Bench: 188% (25th of 869)

Based on 3,841 user benchmarks.  Models: SAMSUNG MZHPV256HDGL-00000, SAMSUNG MZHPV256HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 256GB averaged 87.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 AHCI PCIe M.2 256GB near the top of the comparison list.

Strengths

Avg. Sequential Read Speed 1,701MB/s
Avg. Sequential Mixed IO Speed 1,152MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 256GB is 105%. This is a particularly wide range which indicates that the Samsung SM951 AHCI PCIe M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 251MB/s
Avg. 4K-64Thread Write Speed 238MB/s
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Average Bench

(Based on 3,841 samples)
Min Avg Max
763 Read 1,701 2,013
519 Write 957 1,212
683 Mixed 1,152 1,440
281% 1,270 MB/s
Min Avg Max
24.5 4K Read 43.9 45.5
47.2 4K Write 105 146
19.9 4K Mixed 35.9 50.8
168% 61.5 MB/s
Min Avg Max
31.2 DQ Read 251 544
83.6 DQ Write 238 370
19.2 DQ Mixed 106 218
118% 198 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
116GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,945
Write 1,073
Mixed 1,337
321% 1,452 MB/s
4K Read 34.4
4K Write 96.9
4K Mixed 40.6
156% 57.3 MB/s
DQ Read 278
DQ Write 227
DQ Mixed 113
123% 206 MB/s
165GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,856
Write 1,120
Mixed 1,308
316% 1,428 MB/s
4K Read 37.8
4K Write 75.3
4K Mixed 36.1
143% 49.7 MB/s
DQ Read 281
DQ Write 186
DQ Mixed 126
123% 198 MB/s
100GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 2,018
Write 972
Mixed 1,306
316% 1,432 MB/s
4K Read 44.6
4K Write 134
4K Mixed 30.3
178% 69.7 MB/s
DQ Read 46
DQ Write 153
DQ Mixed 219
133% 139 MB/s
197GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,370
Write 1,129
Mixed 1,259
279% 1,253 MB/s
4K Read 40.4
4K Write 95.1
4K Mixed 22.3
140% 52.6 MB/s
DQ Read 43.7
DQ Write 113
DQ Mixed 113
76% 89.8 MB/s
179GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,262
Write 989
Mixed 1,160
253% 1,137 MB/s
4K Read 29.2
4K Write 83.5
4K Mixed 17.9
111% 43.5 MB/s
DQ Read 284
DQ Write 272
DQ Mixed 114
131% 223 MB/s
107GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,378
Write 787
Mixed 1,000
233% 1,055 MB/s
4K Read 40.6
4K Write 115
4K Mixed 27.2
157% 60.8 MB/s
DQ Read 42.8
DQ Write 127
DQ Mixed 27.7
38% 66 MB/s
88GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 758
Write 599
Mixed 715
154% 691 MB/s
4K Read 38.9
4K Write 103
4K Mixed 27.1
148% 56.3 MB/s
DQ Read 41.2
DQ Write 269
DQ Mixed 27
58% 112 MB/s
3,841 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,263,903 SSDs tested.

 Prices

AmazonUS $15524 days
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EDIT WITH CUSTOM PC BUILDER Value: 132% - Outstanding Total price: $155

Popular SM951 AHCI PCIe M.2 256GB systems:

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Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

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