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OCZVTX450-25SAT3-128G
OCZ
▲ 51266 ▼

Controller: Indilinx Barefoot 3 M10 IDX500M10-BC. Flash Memory: IMFT Synchronous 20nm MLC. Release date: Q2 2013.

VS
▲ 501 ▼
  

Controller: Indilinx Everest 2 IDX400M00. Flash Memory: Micron Asynchronous 25nm MLC. Release date ≈ Q3 2014.

Effective Speed 
+13%
Real World Speed
Performance profile from 1,185 user samples
Benchmark your SSD here
1,040 User Benchmarks
Best Bench: 90% 130GB free
Worst Bench: 57% 72GB free (System drive)
Poor: 57% Great: 90%
SPEED RANK: 575th / 1080
145 User Benchmarks
Best Bench: 85% 451GB free
Worst Bench: 50% 63GB free
Poor: 50% Great: 85%
SPEED RANK: 732nd / 1080
Effective Speed
Effective SSD Speed 		75.5 % Faster effective speed.
+13% 		66.8 %
Average Score 
+12%
Read
Avg. Sequential Read Speed 		410 MB/s Much faster read speed.
+43% 		286 MB/s
Write
Avg. Sequential Write Speed 		268 MB/s 283 MB/s Slightly faster write speed.
+6%
4K Read
Avg. 4K Random Read Speed 		20.1 MB/s Faster random read.
+16% 		17.3 MB/s
4K Write
Avg. 4K Random Write Speed 		87.6 MB/s Slightly faster random write.
+5% 		83.1 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		263 MB/s Faster mixed IO speed.
+25% 		210 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		28.2 MB/s Faster random mixed IO.
+27% 		22.2 MB/s
SusWrite
Avg. Sustained Write Speed 		217 MB/s 279 MB/s Faster sustained write speed.
+29%
Peak Score 
+1%
Read
Peak Sequential Read Speed 		459 MB/s Much faster peak read speed.
+35% 		340 MB/s
Write
Peak Sequential Write Speed 		283 MB/s 392 MB/s Much faster peak write speed.
+39%
4K Read
Peak 4K Random Read Speed 		23.7 MB/s Faster peak random read.
+12% 		21.2 MB/s
4K Write
Peak 4K Random Write Speed 		132 MB/s Slightly faster peak random write.
+8% 		122 MB/s
Mixed
Peak Sequential Mixed IO Speed 		286 MB/s +1% 282 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		33.7 MB/s Faster peak random mixed IO.
+11% 		30.3 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		274 MB/s 382 MB/s Much faster peak sustained write speed.
+39%
Value & Sentiment 
�%
Market Share
Based on 76,328,306 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0 %
User Rating
UBM User Rating 		51 % +2% 50 %
Nice To Haves 
+23%
Age
Newest 		134 Months 119+ Months More recent.
+11%
DQ Read
Peak 4K-64Thread Read Speed 		301 MB/s Faster peak deep queue read.
+19% 		254 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		286 MB/s 313 MB/s Slightly faster peak deep queue write.
+9%
AS-SSD Total
AS-SSD Total Score 		1,005 Pts Slightly stronger server IO.
+6% 		951 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		262 MB/s Faster peak deep queue mixed IO.
+26% 		208 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		265 MB/s Much faster deep queue read.
+40% 		189 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		249 MB/s Faster deep queue write.
+26% 		197 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		227 MB/s Hugely faster deep queue mixed IO.
+88% 		121 MB/s
Specifications 
Capacity
Capacity 		128GB 512GB
Conclusion 
Average Bench 75.5%
Average Bench 66.8%
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The 128GB Vertex 450 has a reasonable but somewhat unusual performance profile. The main weakness is its sequential write speed which is only 282 MB/s peak. This implies that the 128GB version has fewer NAND modules than both its larger 256GB sibling and several other leading 128GB models. Other SSDs, including some 128GB models can consistently achieve sequential write speeds in the 500 MB/s range. A handicap of this magnitude on a key performance metric would normally relegate an SSD to the lower divisions but the Vertex 450 offsets its poor sequential write speed with a record breaking 4K write speed of 158 MB/s which is the highest I have ever seen on any SSD. Overall the Vertex 450 has an average, but quirky, performance profile and is reasonably priced however there are both faster and cheaper alternatives available on the SSD leaderboard.  [Feb '14 SSDrivePro]

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Storage Devices FAQ
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