Average Bench: 179% (77th of 1003)

Based on 4,842 user benchmarks.  Models: SAMSUNG MZHPV256HDGL-00000, SAMSUNG MZHPV256HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 256GB averaged 79.4% 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. 4K-64Thread Mixed IO Speed 460MB/s
Avg. Sequential Read Speed 1,321MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 256GB is 86.5%. 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 Write Speed 342MB/s
Avg. Sequential Mixed IO Speed 692MB/s
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Average Bench

(Based on 4,842 samples)
Min Avg Max
727 Read 1,321 1,554
601 Write 1,015 1,227
477 Mixed 692 859
347 SusWrite 806 1,189
214% 958 MB/s
Min Avg Max
27.9 4K Read 42.4 46.1
59.9 4K Write 111 147
29.7 4K Mixed 48.9 58.5
186% 67.4 MB/s
Min Avg Max
186 DQ Read 590 701
202 DQ Write 342 395
210 DQ Mixed 460 535
344% 464 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
157GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1150 1169 1098 1207 1081 1173 MB/s
Read 1,186
Write 1,142
Mixed 563
SusWrite 1,146
227% 1,009 MB/s
4K Read 40.8
4K Write 107
4K Mixed 52
185% 66.5 MB/s
DQ Read 626
DQ Write 394
DQ Mixed 260
261% 427 MB/s
125GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1218 1127 1090 1132 1002 1049 MB/s
Read 1,233
Write 1,187
Mixed 668
SusWrite 1,103
235% 1,048 MB/s
4K Read 40.5
4K Write 99.6
4K Mixed 50.8
179% 63.6 MB/s
DQ Read 515
DQ Write 393
DQ Mixed 494
358% 467 MB/s
91GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 510 592 605 602 580 551 MB/s
Read 1,213
Write 931
Mixed 629
SusWrite 573
186% 837 MB/s
4K Read 39.8
4K Write 87.3
4K Mixed 44.4
163% 57.2 MB/s
DQ Read 350
DQ Write 295
DQ Mixed 387
272% 344 MB/s
4,842 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,013,832 SSDs tested.

 Prices

AmazonUS $2354 mins
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EDIT WITH CUSTOM PC BUILDER Value: 92% - Outstanding Total price: $235

Popular SM951 AHCI PCIe M.2 256GB systems:

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Solid State Drive Rankings (Price vs Performance) June 2019 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.

 Comments

1003 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 $365Nvidia GTX 1070 $335Samsung 850 Evo 250GB $85
AMD Ryzen 5 2600 $139Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $79SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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