Average Bench: 193% (17th of 853)

Based on 2,674 user benchmarks.  Models: SAMSUNG MZHPV256HDGL-00000, SAMSUNG MZHPV256HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 256GB averaged 93.3% 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 1,748MB/s
Avg. Sequential Mixed IO Speed 1,153MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 256GB is 112%. 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 244MB/s
Avg. 4K-64Thread Write Speed 239MB/s
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Average Bench

(Based on 2,674 samples)
Min Avg Max
759 Read 1,748 2,017
500 Write 953 1,212
668 Mixed 1,153 1,441
284% 1,285 MB/s
Min Avg Max
24.3 4K Read 53.8 47
40.7 4K Write 109 159
18.8 4K Mixed 35.3 52.2
184% 66 MB/s
Min Avg Max
31.8 DQ Read 244 564
100 DQ Write 239 373
20.5 DQ Mixed 110 234
119% 198 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
176GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,981
Write 1,170
Mixed 1,386
334% 1,512 MB/s
4K Read 44.2
4K Write 122
4K Mixed 49.2
194% 71.8 MB/s
DQ Read 207
DQ Write 378
DQ Mixed 126
143% 237 MB/s
238GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,788
Write 1,176
Mixed 1,427
325% 1,463 MB/s
4K Read 35.9
4K Write 89.9
4K Mixed 45.2
160% 57 MB/s
DQ Read 608
DQ Write 376
DQ Mixed 238
246% 407 MB/s
137GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,892
Write 1,160
Mixed 1,400
329% 1,484 MB/s
4K Read 34.1
4K Write 105
4K Mixed 44.7
164% 61.2 MB/s
DQ Read 378
DQ Write 321
DQ Mixed 173
178% 291 MB/s
96GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,923
Write 877
Mixed 1,075
284% 1,292 MB/s
4K Read 40.9
4K Write 106
4K Mixed 46.3
177% 64.2 MB/s
DQ Read 459
DQ Write 315
DQ Mixed 191
196% 322 MB/s
186GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,953
Write 1,149
Mixed 1,407
332% 1,503 MB/s
4K Read 34.4
4K Write 123
4K Mixed 28.4
154% 62 MB/s
DQ Read 39.6
DQ Write 144
DQ Mixed 26.3
39% 70.1 MB/s
134GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,694
Write 755
Mixed 915
246% 1,121 MB/s
4K Read 37.7
4K Write 140
4K Mixed 48.6
194% 75.6 MB/s
DQ Read 510
DQ Write 231
DQ Mixed 159
174% 300 MB/s
18GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,795
Write 693
Mixed 981
253% 1,156 MB/s
4K Read 39.8
4K Write 139
4K Mixed 26.6
168% 68.6 MB/s
DQ Read 40.4
DQ Write 267
DQ Mixed 25.2
57% 111 MB/s
203GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 778
Write 674
Mixed 742
163% 731 MB/s
4K Read 40.9
4K Write 115
4K Mixed 49.8
187% 68.6 MB/s
DQ Read 466
DQ Write 341
DQ Mixed 241
224% 349 MB/s
2,674 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,284,678 SSDs tested.

 Prices

AmazonUS $134.9931 mins ago.
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Typical SM951 AHCI PCIe M.2 256GB Builds (Compare 1,441 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 66%
Battle cruiser
Desktop
Desktop 101%
UFO
Workstation
Workstation 69%
Battle cruiser

Motherboard: Asrock Z97 Extreme6 - $162

EDIT WITH CUSTOM PC BUILDER Value: 80% - Very good Total price: $1,124

Popular SM951 AHCI PCIe M.2 256GB compatible motherboards:

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Solid State Drive Rankings (Price vs Performance) July 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]

 Comments

853 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

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