Average Bench: 195% (33rd of 921)

Based on 2,281 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 94.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 AHCI PCIe M.2 512GB near the top of the comparison list.

Strengths

Avg. Sequential Read Speed 1,687MB/s
Avg. Sequential Mixed IO Speed 1,295MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 512GB is 112%. This is a particularly wide range which indicates that the Samsung SM951 AHCI PCIe M.2 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 224MB/s
Avg. 4K-64Thread Write Speed 237MB/s
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Average Bench

(Based on 2,281 samples)
Min Avg Max
1,004 Read 1,687 2,006
609 Write 1,117 1,524
721 Mixed 1,295 1,664
303% 1,366 MB/s
Min Avg Max
22.9 4K Read 39.8 44.8
42.4 4K Write 100 141
20.7 4K Mixed 37.7 54.5
162% 59.2 MB/s
Min Avg Max
29.9 DQ Read 224 528
88.8 DQ Write 237 379
21.4 DQ Mixed 102 217
112% 188 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
372GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,959
Write 1,543
Mixed 1,689
385% 1,730 MB/s
4K Read 40.2
4K Write 79.9
4K Mixed 46.6
163% 55.6 MB/s
DQ Read 236
DQ Write 161
DQ Mixed 92.4
98% 163 MB/s
406GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,955
Write 1,515
Mixed 1,641
379% 1,704 MB/s
4K Read 39.2
4K Write 103
4K Mixed 27
148% 56.3 MB/s
DQ Read 40.6
DQ Write 99.9
DQ Mixed 134
84% 91.7 MB/s
406GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,864
Write 1,470
Mixed 1,641
369% 1,658 MB/s
4K Read 40.5
4K Write 104
4K Mixed 27.3
152% 57.4 MB/s
DQ Read 40.5
DQ Write 310
DQ Mixed 26.9
65% 126 MB/s
146GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 2,021
Write 1,073
Mixed 1,309
324% 1,468 MB/s
4K Read 45.2
4K Write 141
4K Mixed 32
184% 72.6 MB/s
DQ Read 46.3
DQ Write 159
DQ Mixed 32
45% 79.1 MB/s
200GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,909
Write 1,135
Mixed 1,247
316% 1,430 MB/s
4K Read 26.4
4K Write 56.1
4K Mixed 32.7
112% 38.4 MB/s
DQ Read 252
DQ Write 238
DQ Mixed 116
123% 202 MB/s
119GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,363
Write 858
Mixed 1,066
243% 1,095 MB/s
4K Read 39.2
4K Write 77.2
4K Mixed 44.2
157% 53.6 MB/s
DQ Read 296
DQ Write 207
DQ Mixed 129
129% 211 MB/s
2,281 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 $2905 months
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Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 336 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 73%
Battleship
Workstation
Workstation 42%
Speed boat

System: Asus N501JW

EDIT WITH CUSTOM PC BUILDER Value: 144% - Outstanding Total price: $290

Popular SM951 AHCI PCIe M.2 512GB 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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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
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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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