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OCZARC100-25SAT3-240G
$120
SanDiskSDSSDXPS-240G
▲ 531,950 ▼
 $120 

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

VS
▲ 544,013 ▼

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

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

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

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

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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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What’s the difference between SATA, PCIe and NVMe?
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Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
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