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SanDiskSDSSDXPS-240G
OCZARC100-25SAT3-240G
$120
▲ 544,013 ▼

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC. Release date: Q2 2014.

VS
▲ 531,950 ▼
 $120 

Controller: Indilinx Barefoot 3. Flash Memory: Toshiba A19nm MLC. Release date: Q3 2014.

Effective Speed 
+5%
Real World Speed
Performance profile from 22,661 user samples
Benchmark your SSD here
10,862 User Benchmarks
Best Bench: 114% 83GB free (System drive)
Worst Bench: 65% 20GB free (System drive)
Poor: 65% Great: 114%
SPEED RANK: 316th / 1080
11,799 User Benchmarks
Best Bench: 101% 139GB free
Worst Bench: 65% 82GB free
Poor: 65% Great: 101%
SPEED RANK: 378th / 1080
Effective Speed
Effective SSD Speed 		91.7 % Slightly faster effective speed.
+5% 		87 %
Average Score 
+3%
Read
Avg. Sequential Read Speed 		455 MB/s Faster read speed.
+25% 		363 MB/s
Write
Avg. Sequential Write Speed 		406 MB/s +2% 398 MB/s
4K Read
Avg. 4K Random Read Speed 		28.9 MB/s Faster random read.
+24% 		23.3 MB/s
4K Write
Avg. 4K Random Write Speed 		76.5 MB/s 87.4 MB/s Faster random write.
+14%
Mixed
Avg. Sequential Mixed IO Speed 		258 MB/s 301 MB/s Faster mixed IO speed.
+17%
4K Mixed
Avg. 4K Random Mixed IO Speed 		33.4 MB/s +1% 33.2 MB/s
SusWrite
Avg. Sustained Write Speed 		350 MB/s 354 MB/s +1%
Peak Score 
+12%
Read
Peak Sequential Read Speed 		509 MB/s Faster peak read speed.
+24% 		410 MB/s
Write
Peak Sequential Write Speed 		479 MB/s Faster peak write speed.
+12% 		426 MB/s
4K Read
Peak 4K Random Read Speed 		35.6 MB/s Much faster peak random read.
+30% 		27.3 MB/s
4K Write
Peak 4K Random Write Speed 		113 MB/s 121 MB/s Slightly faster peak random write.
+7%
Mixed
Peak Sequential Mixed IO Speed 		316 MB/s 323 MB/s +2%
4K Mixed
Peak 4K Random Mixed IO Speed 		42.4 MB/s Slightly faster peak random mixed IO.
+9% 		39 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		480 MB/s Faster peak sustained write speed.
+17% 		410 MB/s
Value & Sentiment 
�%
Market Share
Based on 77,585,568 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0 %
Value
Value For Money 		13.7 % Much better value.
+44% 		9.51 %
User Rating
UBM User Rating 		54 % +2% 53 %
Price
Price (score) 		$79 Much cheaper.
+34% 		$120
Nice To Haves 
+10%
Age
Newest 		125 Months 123 Months +2%
DQ Read
Peak 4K-64Thread Read Speed 		376 MB/s Faster peak deep queue read.
+19% 		317 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		343 MB/s 352 MB/s +3%
AS-SSD Total
AS-SSD Total Score 		1,214 Pts Slightly stronger server IO.
+10% 		1,108 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		164 MB/s 258 MB/s Much faster peak deep queue mixed IO.
+57%
ADQ Read
Avg. 4K-64Thread Read Speed 		325 MB/s Faster deep queue read.
+17% 		277 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		267 MB/s 294 MB/s Faster deep queue write.
+10%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		148 MB/s 226 MB/s Much faster deep queue mixed IO.
+53%
Specifications 
Capacity
Capacity 		240GB 240GB
Conclusion 
Average Bench 91.7%
Average Bench 87%

The 240GB Sandisk Extreme Pro uses the same controller and NAND as its 13 months younger predecessor, the Extreme II. Comparing the Extreme II and Extreme Pro shows that average performance has increased by 10% but peak performance remains broadly unchanged. The Pro features an improved nCache which uses an SLC buffer to cache writes prior to writing them to the slower MLC NAND. In order to benefit from this improved caching, huge amounts of data need to be written for extended periods, an unlikely consumer scenario. Comparing core performance between the Samsung 840 Evo and Extreme Pro shows that the Extreme Pro averages around 12% faster than the Evo. The Extreme Pro also has a 10 year warranty but I wonder if SATA 3 will even be around at that time. Although the Extreme Pro has a superb performance profile it's not a game changer. [Jun '14 SSDrivePro]

MORE DETAILS

The 240GB OCZ ARC has a solid performance profile with particularly strong 4K speeds. The ARC is positioned below both OCZ's enthusiast Vector 150 and the mainstream Vertex 460 but based on hardware specs there is very little separating the drives (newer NAND on the ARC). Comparing the Vertex 460 and ARC shows that the ARC lags particularly in terms of sequential write speed but the overall difference in effective speed is marginal. The broad performance equivalence coupled with the fact that the Vertex 460 is available at the same price point makes the 240GB ARC somewhat redundant for the time being. Given that the ARC is relatively new, prices are likely to drop significantly over the coming months at which point the ARC may make more sense. [Sep '14 SSDrivePro]

MORE DETAILS

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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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Solid State Drives
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