Average Bench: 195% (32nd of 921)

Based on 4,396 user benchmarks.  Models: SAMSUNG MZHPV256HDGL-00000, SAMSUNG MZHPV256HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 256GB averaged 95.4% 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 1,802MB/s
Avg. Sequential Mixed IO Speed 1,255MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 256GB is 186%. 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 223MB/s
Avg. 4K-64Thread Write Speed 232MB/s
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Average Bench

(Based on 4,396 samples)
Min Avg Max
758 Read 1,802 2,760
577 Write 1,033 1,246
697 Mixed 1,255 1,467
301% 1,363 MB/s
Min Avg Max
24.8 4K Read 43 51.3
50 4K Write 105 150
20.9 4K Mixed 36.2 51
167% 61.5 MB/s
Min Avg Max
31.7 DQ Read 223 508
84.8 DQ Write 232 368
21 DQ Mixed 101 214
111% 186 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
88GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,985
Write 1,221
Mixed 1,449
344% 1,552 MB/s
4K Read 43.1
4K Write 118
4K Mixed 42.1
182% 67.8 MB/s
DQ Read 44.2
DQ Write 260
DQ Mixed 145
114% 150 MB/s
150GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,942
Write 916
Mixed 1,227
300% 1,362 MB/s
4K Read 44.3
4K Write 126
4K Mixed 51.2
200% 74 MB/s
DQ Read 451
DQ Write 287
DQ Mixed 166
179% 302 MB/s
116GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,933
Write 1,051
Mixed 1,299
315% 1,428 MB/s
4K Read 36.5
4K Write 110
4K Mixed 22.4
142% 56.2 MB/s
DQ Read 38.6
DQ Write 295
DQ Mixed 111
102% 148 MB/s
177GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,261
Write 1,126
Mixed 1,183
266% 1,190 MB/s
4K Read 33.4
4K Write 100
4K Mixed 27.1
138% 53.5 MB/s
DQ Read 40.4
DQ Write 247
DQ Mixed 22.7
53% 103 MB/s
106GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 749
Write 653
Mixed 719
158% 707 MB/s
4K Read 41
4K Write 103
4K Mixed 28.3
153% 57.5 MB/s
DQ Read 42
DQ Write 346
DQ Mixed 27.3
70% 138 MB/s
83GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 753
Write 627
Mixed 707
155% 696 MB/s
4K Read 36.2
4K Write 75
4K Mixed 38.6
144% 49.9 MB/s
DQ Read 172
DQ Write 131
DQ Mixed 75.1
77% 126 MB/s
4,396 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,471,072 SSDs tested.

 Prices

AmazonUS $1971 month
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EDIT WITH CUSTOM PC BUILDER Value: 115% - Outstanding Total price: $197

Popular SM951 AHCI PCIe M.2 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 upgrades.

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Solid State Drive Rankings (Price vs Performance) April 2018 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.

 Comments

921 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $176AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Extreme 16GB $18
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