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OCZVTX450-25SAT3-128G
OCZVTX450-25SAT3-512G
▲ 51266 ▼

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

VS
▲ 500 ▼

Controller: Indilinx Barefoot 3 M10 IDX500M10-BC. Flash Memory: IMFT Synchronous 20nm MLC. Release date ≈ Q1 2015.

Effective Speed 
+15%
Real World Speed
Performance profile from 1,115 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
75 User Benchmarks
Best Bench: 104% 302GB free
Worst Bench: 62% 7GB free (System drive)
Poor: 62% Great: 104%
SPEED RANK: 388th / 1080
Effective Speed
Effective SSD Speed 		75.5 % 86.5 % Faster effective speed.
+15%
Average Score 
+25%
Read
Avg. Sequential Read Speed 		410 MB/s 432 MB/s Slightly faster read speed.
+5%
Write
Avg. Sequential Write Speed 		268 MB/s 438 MB/s Much faster write speed.
+63%
4K Read
Avg. 4K Random Read Speed 		20.1 MB/s 22.2 MB/s Faster random read.
+10%
4K Write
Avg. 4K Random Write Speed 		87.6 MB/s Faster random write.
+16% 		75.3 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		263 MB/s 367 MB/s Much faster mixed IO speed.
+40%
4K Mixed
Avg. 4K Random Mixed IO Speed 		28.2 MB/s Slightly faster random mixed IO.
+8% 		26.1 MB/s
SusWrite
Avg. Sustained Write Speed 		217 MB/s 394 MB/s Hugely faster sustained write speed.
+82%
Peak Score 
+35%
Read
Peak Sequential Read Speed 		459 MB/s 512 MB/s Faster peak read speed.
+12%
Write
Peak Sequential Write Speed 		283 MB/s 499 MB/s Much faster peak write speed.
+76%
4K Read
Peak 4K Random Read Speed 		23.7 MB/s 27.2 MB/s Faster peak random read.
+15%
4K Write
Peak 4K Random Write Speed 		132 MB/s Faster peak random write.
+12% 		118 MB/s
Mixed
Peak Sequential Mixed IO Speed 		286 MB/s 498 MB/s Much faster peak mixed IO speed.
+74%
4K Mixed
Peak 4K Random Mixed IO Speed 		33.7 MB/s 34.5 MB/s +2%
SusWrite
Peak Sequential Sustained Write 60s Average 		274 MB/s 483 MB/s Much faster peak sustained write speed.
+76%
Value & Sentiment 
�%
Market Share
Based on 77,591,906 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0 %
Value
Value For Money 		6.96 % 11.4 % Much better value.
+63%
User Rating
UBM User Rating 		51 % +2% 50 %
Price
Price (score) 		$80 Much cheaper.
+60% 		$200
Nice To Haves 
+4%
Age
Newest 		138 Months 118+ Months More recent.
+14%
DQ Read
Peak 4K-64Thread Read Speed 		301 MB/s 368 MB/s Faster peak deep queue read.
+22%
DQ Write
Peak 4K-64Thread Write Speed 		286 MB/s 363 MB/s Faster peak deep queue write.
+27%
AS-SSD Total
AS-SSD Total Score 		1,005 Pts 1,213 Pts Stronger server IO.
+21%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		262 MB/s 270 MB/s +3%
ADQ Read
Avg. 4K-64Thread Read Speed 		265 MB/s +4% 255 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		249 MB/s +0% 248 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		227 MB/s Much faster deep queue mixed IO.
+52% 		149 MB/s
Specifications 
Capacity
Capacity 		128GB 512GB
Conclusion 
Average Bench 75.5%
Average Bench 86.5%

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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Welcome to our 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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 Frequently Asked Questions

Storage Devices FAQ
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Solid State Drives
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What is 4K 64 thread write speed?
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