Average Bench: 66.5% (561st of 959)

Based on 10,886 user benchmarks.  Models: OCZ-VERTEX3, OCZ-VERT OCZ-VERTEX3, OCZ-VERTEX3 LP, OCZ-VERT EX3

The 120GB OCZ Vertex 3 is almost 3 years old which makes it twice as old as most of the drives in the group test. With sequential peak and average read/write speeds of 510/157 and 390/130 MB/s the 120GB Vertex 3 has good read speeds but lags the group leaders by 50% at writing. This is explained by its Sandforce 2281 controller which is infamous for stability issues and relatively slow incompressible data write speeds. Small file 4K peak and average read/write speeds clocked in at 31/103 and 23/61 MB/s which matches the group leaders, a superb result considering the Vertex 3's age. Overall the 120GB Vertex 3 has an effective speed of 383 MB/s which is only 16% lower than the group leaders which averaged 444 MB/s. The Vertex is a capable drive let down only by its relatively slow peak sequential write speed of 157 MB/s. [Feb '14 SSDrivePro]


Above average average bench

The OCZ Vertex 3 120GB averaged 33.4% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K-64Thread Mixed IO Speed 127MB/s
Avg. 4K Random Read Speed 27.8MB/s

Good consistency

The range of scores (95th - 5th percentile) for the OCZ Vertex 3 120GB is 27.5%. This is a relatively narrow range which indicates that the OCZ Vertex 3 120GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 120MB/s
Avg. Sequential Write Speed 141MB/s

Average Bench

(Based on 10,886 samples)
Min Avg Max
303 Read 373 430
115 Write 141 159
159 Mixed 190 209
92.4 SusWrite 120 139
45.4% 206 MB/s
Min Avg Max
20 4K Read 27.8 35
38.6 4K Write 75.8 114
21.7 4K Mixed 31.9 41.3
123% 45.2 MB/s
Min Avg Max
33.1 DQ Read 159 191
84.5 DQ Write 134 154
38.5 DQ Mixed 127 162
101% 140 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
64GB free
Firmware: 2.25
SusWrite @10s intervals: 133 136 133 136 140 138 MB/s
Read 383
Write 152
Mixed 199
SusWrite 136
48% 217 MB/s
4K Read 33.4
4K Write 99.8
4K Mixed 36.4
150% 56.5 MB/s
DQ Read 191
DQ Write 150
DQ Mixed 111
99% 151 MB/s
43GB free (System drive)
Firmware: 2.22
SusWrite @10s intervals: 128 132 132 133 126 128 MB/s
Read 382
Write 146
Mixed 187
SusWrite 130
47% 211 MB/s
4K Read 27.8
4K Write 99.9
4K Mixed 31.9
136% 53.2 MB/s
DQ Read 183
DQ Write 148
DQ Mixed 143
113% 158 MB/s
97GB free (System drive)
Firmware: 2.25
SusWrite @10s intervals: 128 127 127 124 127 129 MB/s
Read 422
Write 147
Mixed 210
SusWrite 127
50% 227 MB/s
4K Read 27.7
4K Write 59.9
4K Mixed 29
111% 38.9 MB/s
DQ Read 136
DQ Write 136
DQ Mixed 126
98% 133 MB/s
10,886 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,101,861 SSDs tested.

Typical Vertex 3 120GB Builds (Compare 8,093 builds) See popular component choices, score breakdowns and rankings.
Gaming 59%
Desktop 62%
Workstation 38%
Jet ski

Motherboard: Asus P8Z77-V LX - $182

EDIT WITH CUSTOM PC BUILDER Value: 78% - Very good Total price: $700

Popular Vertex 3 120GB compatible motherboards:

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Solid State Drive Rankings (Price vs Performance) October 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]

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.


Controller: SandForce SF2281. NAND: Intel 25nm Synchronous MLC

More bang for the buck...

Added 4 years ago.

Good (edit your comment) Add link

10 months ago.

Have used this drive for about 7 years now. Still performs wonderfully. I got it for about 80 bucks on sale at the time and it seems to outperform many other drives that are newer around the same price today.

Very poor

4 years ago.


17 months ago.

ocz vertex 120gb = very useful on garbage

959 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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