Average Bench: 190% (21st of 850)

Based on 1,489 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 89.8% 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 1,641MB/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 512GB is 127%. 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 223MB/s
Avg. 4K-64Thread Write Speed 243MB/s
ADVERTISEMENT

Average Bench

(Based on 1,489 samples)
Min Avg Max
766 Read 1,641 2,005
550 Write 1,083 1,519
697 Mixed 1,255 1,652
294% 1,326 MB/s
Min Avg Max
22.5 4K Read 38.8 44.9
37.6 4K Write 98.5 148
18 4K Mixed 36.8 54.5
158% 58 MB/s
Min Avg Max
29.4 DQ Read 223 565
75.5 DQ Write 243 382
18.9 DQ Mixed 102 233
113% 189 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
390GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 2,008
Write 1,514
Mixed 1,627
382% 1,716 MB/s
4K Read 43.3
4K Write 137
4K Mixed 33.3
181% 71.1 MB/s
DQ Read 47.3
DQ Write 348
DQ Mixed 189
148% 194 MB/s
447GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,845
Write 1,449
Mixed 1,668
368% 1,654 MB/s
4K Read 34.6
4K Write 133
4K Mixed 51.1
188% 72.9 MB/s
DQ Read 36.6
DQ Write 143
DQ Mixed 26.9
39% 68.8 MB/s
226GB free
Firmware: BXW24L0Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,911
Write 1,138
Mixed 1,275
318% 1,441 MB/s
4K Read 41.7
4K Write 114
4K Mixed 52.5
191% 69.3 MB/s
DQ Read 346
DQ Write 313
DQ Mixed 162
167% 274 MB/s
258GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,913
Write 1,043
Mixed 1,468
326% 1,475 MB/s
4K Read 42.4
4K Write 122
4K Mixed 54.7
199% 73 MB/s
DQ Read 445
DQ Write 344
DQ Mixed 213
209% 334 MB/s
470GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,869
Write 1,490
Mixed 1,699
376% 1,686 MB/s
4K Read 24.2
4K Write 40.8
4K Mixed 35.5
104% 33.5 MB/s
DQ Read 359
DQ Write 273
DQ Mixed 167
165% 266 MB/s
166GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,467
Write 985
Mixed 1,194
270% 1,216 MB/s
4K Read 38.2
4K Write 124
4K Mixed 52.3
190% 71.4 MB/s
DQ Read 423
DQ Write 289
DQ Mixed 168
176% 293 MB/s
75GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,336
Write 901
Mixed 1,164
252% 1,134 MB/s
4K Read 38.3
4K Write 94
4K Mixed 46.4
167% 59.6 MB/s
DQ Read 383
DQ Write 289
DQ Mixed 171
173% 281 MB/s
6GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,750
Write 907
Mixed 1,118
277% 1,258 MB/s
4K Read 27.8
4K Write 80.9
4K Mixed 39.2
135% 49.3 MB/s
DQ Read 34.4
DQ Write 285
DQ Mixed 19.9
57% 113 MB/s
1,489 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,046,212 SSDs tested.

 Prices

AmazonUS $305.993 months ago.
Send price feedback
Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 339 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 71%
Battleship
Workstation
Workstation 42%
Speed boat

System: Asus N501JW

EDIT WITH CUSTOM PC BUILDER Value: 135% - Outstanding Total price: $306

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.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - 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.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) June 2017 SSD Rankings.

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]

850 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 i7-7700K $309Nvidia GTX 1070 $390Samsung 850 Evo 250GB $100
Intel Core i5-7600K $231AMD RX 480 $608Samsung 850 Pro 256GB $138
AMD Ryzen 7 1700 $280Nvidia GTX 1060-6GB $247Samsung 850 Evo 500GB $167
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $696SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $40HyperX Fury DDR4 2133 C14 2x8GB $133SanDisk Ultra Fit 32GB $13
Today's hottest deals
User Guide  •  About  •  FAQs  •  @Email  •  Privacy  •  Developer Feedback