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OCZVTX460A-25SAT3-240G
CrucialCT512M550SSD1
▲ 53539 ▼

Controller: Indilinx Barefoot 3 M10. Flash Memory: Toshiba 19nm MLC. Release date: Q4 2014.

VS
▲ 506 ▼

Controller: Marvell 88SS9189. Flash Memory: Micron Synchronous 20nm MLC. Release date ≤ Q2 2014.

Effective Speed 
+0%
Real World Speed
Performance profile from 6,769 user samples
Benchmark your SSD here
1,086 User Benchmarks
Best Bench: 108% 88GB free
Worst Bench: 68% 143GB free
Poor: 68% Great: 108%
SPEED RANK: 309th / 1074
5,683 User Benchmarks
Best Bench: 111% 167GB free
Worst Bench: 65% 6GB free (System drive)
Poor: 65% Great: 111%
SPEED RANK: 304th / 1074
Effective Speed
Effective SSD Speed 		92.1 % 92.5 % +0%
Average Score 
+0%
Read
Avg. Sequential Read Speed 		397 MB/s 421 MB/s Slightly faster read speed.
+6%
Write
Avg. Sequential Write Speed 		429 MB/s +2% 422 MB/s
4K Read
Avg. 4K Random Read Speed 		23.9 MB/s 26.3 MB/s Faster random read.
+10%
4K Write
Avg. 4K Random Write Speed 		88.3 MB/s +2% 86.6 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		317 MB/s Slightly faster mixed IO speed.
+7% 		295 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		33.3 MB/s 36.9 MB/s Faster random mixed IO.
+11%
SusWrite
Avg. Sustained Write Speed 		399 MB/s Faster sustained write speed.
+16% 		343 MB/s
Peak Score 
+1%
Read
Peak Sequential Read Speed 		440 MB/s 464 MB/s Slightly faster peak read speed.
+5%
Write
Peak Sequential Write Speed 		486 MB/s +3% 470 MB/s
4K Read
Peak 4K Random Read Speed 		27.9 MB/s 30.3 MB/s Slightly faster peak random read.
+9%
4K Write
Peak 4K Random Write Speed 		128 MB/s Slightly faster peak random write.
+7% 		120 MB/s
Mixed
Peak Sequential Mixed IO Speed 		349 MB/s Slightly faster peak mixed IO speed.
+8% 		322 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		40 MB/s 44.4 MB/s Faster peak random mixed IO.
+11%
SusWrite
Peak Sequential Sustained Write 60s Average 		463 MB/s 463 MB/s
Value & Sentiment 
�%
Market Share
Based on 76,100,678 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0 %
Value
Value For Money 		7.53 % 9.36 % Better value.
+24%
User Rating
UBM User Rating 		53 % Slightly more popular.
+6% 		50 %
Price
Price (score) 		$177 Much cheaper.
+38% 		$283
Nice To Haves 
+4%
Age
Newest 		115 Months +5% 121+ Months
DQ Read
Peak 4K-64Thread Read Speed 		357 MB/s 384 MB/s Slightly faster peak deep queue read.
+8%
DQ Write
Peak 4K-64Thread Write Speed 		370 MB/s +2% 362 MB/s
AS-SSD Total
AS-SSD Total Score 		1,206 Pts 1,236 Pts +2%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		284 MB/s Faster peak deep queue mixed IO.
+22% 		232 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		301 MB/s 320 MB/s Slightly faster deep queue read.
+6%
ADQ Write
Avg. 4K-64Thread Write Speed 		297 MB/s +1% 295 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		241 MB/s Faster deep queue mixed IO.
+19% 		203 MB/s
Specifications 
Capacity
Capacity 		240GB 512GB
Conclusion 
Average Bench 92.1%
Average Bench 92.5%
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The OCZ Vertex 460A is basically a tweaked re-release of last years Vertex 460. The two drives share the same controller and the same basic NAND, although the 460A apparently uses a newer version of Toshiba's 19nm MLC. Unsurprisingly there is little difference in performance between the 460 and 460A. In absolute terms, with peak sequential read/write speeds of 516/500 MBps and peak 4K random read/write speeds of 25/120 MB/s the 460A does have a rock solid performance profile but OCZ cannot afford to re-release 12 month old technology, at least not of they want to continue to compete with the likes of Samsung, SanDisk and Crucial who are continuously innovating. Overall the 240GB 460A still sits amongst the top handful of drives both in terms of outright performance and value for money. [Jan '15 SSDrivePro]

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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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The Best.
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Intel Core i5-12600K $174Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-12400F $120Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-13600K $260Nvidia RTX 4070 $549Samsung 870 Evo 250GB $44
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $28Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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