SanDiskSDSSDHII-240G-G25
OCZVTR150-25SAT3-240G
$246

Controller: Marvell 88SS9187. Memory: SanDisk 19nm TLC.

 $246 

Controller: OCZ Barefoot 3 M00. Flash: Toshiba 19nm (1st gen) MLC NAND.

Real World Speed
Performance profile from 17,015 user samples
16,122 User Benchmarks
Best Bench: 83% 58GB free
Worst Bench: 47% 151GB free
Poor: 47% Great: 83%
SPEED RANK: 492nd / 927
893 User Benchmarks
Best Bench: 113% 180GB free
Worst Bench: 63% 119GB free
Poor: 63% Great: 113%
SPEED RANK: 138th / 927
Effective Speed
Effective SSD Speed
65.4 % 90.2 % Much faster effective speed.
+38%
Read
Avg. Sequential Read Speed
458 MB/s 491 MB/s Slightly faster read speed.
+7%
Write
Avg. Sequential Write Speed
252 MB/s 456 MB/s Hugely faster write speed.
+81%
4K Read
Avg. 4K Random Read Speed
27.1 MB/s Faster random read.
+27%
21.3 MB/s
4K Write
Avg. 4K Random Write Speed
49.6 MB/s 83.9 MB/s Much faster random write.
+69%
Mixed
Avg. Sequential Mixed IO Speed
246 MB/s 471 MB/s Hugely faster mixed IO speed.
+91%
4K Mixed
Avg. 4K Random Mixed IO Speed
14.7 MB/s 26.1 MB/s Much faster random mixed IO.
+78%
Read
Peak Sequential Read Speed
500 MB/s 521 MB/s +4%
Write
Peak Sequential Write Speed
344 MB/s 502 MB/s Much faster peak write speed.
+46%
4K Read
Peak 4K Random Read Speed
36.4 MB/s Much faster peak random read.
+34%
27.1 MB/s
4K Write
Peak 4K Random Write Speed
76.7 MB/s 131 MB/s Much faster peak random write.
+71%
Mixed
Peak Sequential Mixed IO Speed
329 MB/s 509 MB/s Much faster peak mixed IO speed.
+55%
4K Mixed
Peak 4K Random Mixed IO Speed
20.7 MB/s 38.8 MB/s Hugely faster peak random mixed IO.
+87%
Market Share
Based on 6,792,068 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.43 % Insanely higher market share.
+4,200%
0.01 %
Value
Value For Money
79.6 % Hugely better value.
+86%
42.8 %
User Rating
UBM User Rating
65 % Slightly more popular.
+7%
61 %
Price
Price (score)
$70 Much cheaper.
+72%
$246
Age
Newest
44 Months More recent.
+19%
54 Months
DQ Read
Peak 4K-64Thread Read Speed
349 MB/s 363 MB/s +4%
DQ Write
Peak 4K-64Thread Write Speed
204 MB/s 351 MB/s Much faster peak deep queue write.
+72%
AS-SSD Total
AS-SSD Total Score
979 Pts 1,208 Pts Stronger server IO.
+23%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
50.7 MB/s 99.7 MB/s Hugely faster peak deep queue mixed IO.
+97%
ADQ Read
Avg. 4K-64Thread Read Speed
170 MB/s 202 MB/s Faster deep queue read.
+19%
ADQ Write
Avg. 4K-64Thread Write Speed
127 MB/s 218 MB/s Much faster deep queue write.
+72%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
30.4 MB/s 62 MB/s Hugely faster deep queue mixed IO.
+104%
Capacity
Capacity
240GB 240GB
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The Sandisk Ultra II sits above Sandisk's Ultra Plus and below their Extreme Pro. The Ultra Plus would probably have been phased out completely were it not for its continued success within budget space. The Ultra II is the first Sandisk drive to utilize cheaper (and slower) TLC NAND. Similarly to the Extreme Pro, the Ultra II utilizes an nCache which operates a portion of the NAND in simulated SLC mode. This strategy also matches the one employed by Samsung's now 14 months old Evo. Comparing the Ultra II and Evo shows broad performance equivalence which given the Ultra II's 15% price discount makes it the better choice today. That said it's probably worth waiting for the release of the 850 Evo which will pack another 14 months of Samsung's market leading R&D and will probably steal the show. [Sep '14 SSDrivePro]

MORE DETAILS

Comparing the 150 to the original Vector is disappointing, the newer 150 actually offers marginally worse performance than its predecessor. A strange result but verified (at least partly) by figures on OCZ's own website: 100K 4K read IOPS for the Vector vs 90K 4K read IOPS for the 150. The newer 150 comes with a 5 year warranty which covers 50GB/day vs. the original Vectors 20GB/day but even this should be taken with a pinch of salt considering that the OCZ stock price is currently trading at around seven cents per share, an all time low. Despite the fact that new Vector 150 performs worse than its predecessor it's still a very competent performer and if prices drop, it has the potential to become a decent value proposition. In the meantime however there are far better deals available elsewhere.  [Dec '13 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) May 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.
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.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
AMD Ryzen 5 1600 $167Nvidia GTX 1070 $447Samsung 850 Evo 250GB $95
Intel Core i7-8700K $320Nvidia GTX 1060-6GB $296Samsung 850 Evo 500GB $140
Intel Core i7-7700K $305AMD RX 480 $300Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $180SanDisk Extreme 64GB $41
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $960SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Extreme 16GB $20
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