SanDiskSDSSDXP-120G-G25
$130
SanDiskSDSSDXPS-240G
 $130 

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC. Release date: Q2 2013.

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC. Release date: Q2 2014.

Real World Speed
Performance profile from 10,187 user samples
2,087 User Benchmarks
Best Bench: 101% 112GB free
Worst Bench: 60% 87GB free
Poor: 60% Great: 101%
SPEED RANK: 410th / 1058
8,100 User Benchmarks
Best Bench: 113% 184GB free (System drive)
Worst Bench: 67% 97GB free (System drive)
Poor: 67% Great: 113%
SPEED RANK: 288th / 1058
Effective Speed
Effective SSD Speed
83.8 % 92.4 % Faster effective speed.
+10%
Read
Avg. Sequential Read Speed
461 MB/s 463 MB/s +0%
Write
Avg. Sequential Write Speed
287 MB/s 412 MB/s Much faster write speed.
+44%
4K Read
Avg. 4K Random Read Speed
27.9 MB/s 29.1 MB/s +4%
4K Write
Avg. 4K Random Write Speed
77.7 MB/s +4% 74.7 MB/s
Mixed
Avg. Sequential Mixed IO Speed
216 MB/s 263 MB/s Faster mixed IO speed.
+22%
4K Mixed
Avg. 4K Random Mixed IO Speed
32.5 MB/s 33.9 MB/s +4%
SusWrite
Avg. Sustained Write Speed
255 MB/s 361 MB/s Much faster sustained write speed.
+42%
Read
Peak Sequential Read Speed
510 MB/s +0% 509 MB/s
Write
Peak Sequential Write Speed
326 MB/s 480 MB/s Much faster peak write speed.
+47%
4K Read
Peak 4K Random Read Speed
34.4 MB/s 35.4 MB/s +3%
4K Write
Peak 4K Random Write Speed
113 MB/s +2% 111 MB/s
Mixed
Peak Sequential Mixed IO Speed
250 MB/s 313 MB/s Faster peak mixed IO speed.
+25%
4K Mixed
Peak 4K Random Mixed IO Speed
40.3 MB/s 42.1 MB/s +4%
SusWrite
Peak Sequential Sustained Write 60s Average
323 MB/s 478 MB/s Much faster peak sustained write speed.
+48%
Market Share
Based on 47,061,766 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.01 % 0.02 % Hugely higher market share.
+100%
Value
Value For Money
5.13 % 13.8 % Hugely better value.
+169%
User Rating
UBM User Rating
51 % 54 % Slightly more popular.
+6%
Price
Price (score)
$130 $79 Much cheaper.
+39%
Age
Newest
100 Months 87 Months More recent.
+13%
DQ Read
Peak 4K-64Thread Read Speed
346 MB/s 378 MB/s Slightly faster peak deep queue read.
+9%
DQ Write
Peak 4K-64Thread Write Speed
288 MB/s 341 MB/s Faster peak deep queue write.
+18%
AS-SSD Total
AS-SSD Total Score
1,089 Pts 1,213 Pts Stronger server IO.
+11%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
153 MB/s 165 MB/s Slightly faster peak deep queue mixed IO.
+8%
ADQ Read
Avg. 4K-64Thread Read Speed
292 MB/s 317 MB/s Slightly faster deep queue read.
+9%
ADQ Write
Avg. 4K-64Thread Write Speed
233 MB/s 265 MB/s Faster deep queue write.
+14%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
137 MB/s 146 MB/s Slightly faster deep queue mixed IO.
+7%
Capacity
Capacity
120GB 240GB
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The 120GB Sandisk Extreme II proved to be a disappointment. I was expecting the same blistering performance as I saw on its larger 240GB sibling but that proved not to be the case. Comparing the 120GB and 240GB Extreme II's reveals that the larger 240GB version has peak speed ratings that are approximately 35% faster that the 120GB Extreme II. The main weakness of the 120GB Extreme II is its sequential write speed which is just 305 MB/s vs 492 MB/s on the 240GB version. Reduced write ability at lower capacities is explained by fewer NAND modules which reduce a controllers ability to parallelize slow write operations across different memory banks. Overall the Sandisk Extreme II sits amongst the bottom 20% of performers in the 120-128GB capacity category. Several of the drives in the group test have comparable performance at both the 120 and 240 GB capacities, those drives are the ones to go for. [Feb '14 SSDrivePro]

MORE DETAILS

The 240GB Sandisk Extreme Pro uses the same controller and NAND as its 13 months younger predecessor, the Extreme II. Comparing the Extreme II and Extreme Pro shows that average performance has increased by 10% but peak performance remains broadly unchanged. The Pro features an improved nCache which uses an SLC buffer to cache writes prior to writing them to the slower MLC NAND. In order to benefit from this improved caching, huge amounts of data need to be written for extended periods, an unlikely consumer scenario. Comparing core performance between the Samsung 840 Evo and Extreme Pro shows that the Extreme Pro averages around 12% faster than the Evo. The Extreme Pro also has a 10 year warranty but I wonder if SATA 3 will even be around at that time. Although the Extreme Pro has a superb performance profile it's not a game changer. [Jun '14 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) September 2021 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.
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.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.

 Frequently Asked Questions

 Best User Rated

The Best.
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Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
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WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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