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KingstonSV300S37A/120G
SamsungMZ-7PD128BW
▲ 545,433 ▼

Controller: LSI SandForce SF2281. Flash Memory: Toshiba 19nm Toggle Mode MLC. Release date: Q4 2012.

VS
▲ 542,764 ▼

Controller: Samsung 3-core MDX. Flash Memory: Samsung 21nm Toggle Mode MLC. Release date: Q4 2012.

Effective Speed 
+67%
Real World Speed
Performance profile from 373,862 user samples
Benchmark your SSD here
339,020 User Benchmarks
Best Bench: 73% 15GB free
Worst Bench: 30% 77GB free (System drive)
Poor: 30% Great: 73%
SPEED RANK: 875th / 1080
34,842 User Benchmarks
Best Bench: 110% 62GB free
Worst Bench: 62% 119GB free
Poor: 62% Great: 110%
SPEED RANK: 344th / 1080
Effective Speed
Effective SSD Speed 		53.6 % 89.5 % Much faster effective speed.
+67%
Average Score 
+91%
Read
Avg. Sequential Read Speed 		227 MB/s 444 MB/s Hugely faster read speed.
+96%
Write
Avg. Sequential Write Speed 		122 MB/s 336 MB/s Hugely faster write speed.
+175%
4K Read
Avg. 4K Random Read Speed 		22.9 MB/s 30.5 MB/s Much faster random read.
+33%
4K Write
Avg. 4K Random Write Speed 		73.9 MB/s 81.6 MB/s Faster random write.
+10%
Mixed
Avg. Sequential Mixed IO Speed 		155 MB/s 268 MB/s Much faster mixed IO speed.
+73%
4K Mixed
Avg. 4K Random Mixed IO Speed 		29.4 MB/s 35.9 MB/s Faster random mixed IO.
+22%
SusWrite
Avg. Sustained Write Speed 		88.3 MB/s 286 MB/s Hugely faster sustained write speed.
+224%
Peak Score 
+79%
Read
Peak Sequential Read Speed 		385 MB/s 497 MB/s Faster peak read speed.
+29%
Write
Peak Sequential Write Speed 		153 MB/s 445 MB/s Hugely faster peak write speed.
+191%
4K Read
Peak 4K Random Read Speed 		32.1 MB/s 36.3 MB/s Faster peak random read.
+13%
4K Write
Peak 4K Random Write Speed 		108 MB/s 113 MB/s +5%
Mixed
Peak Sequential Mixed IO Speed 		204 MB/s 331 MB/s Much faster peak mixed IO speed.
+62%
4K Mixed
Peak 4K Random Mixed IO Speed 		41.4 MB/s 44.1 MB/s Slightly faster peak random mixed IO.
+7%
SusWrite
Peak Sequential Sustained Write 60s Average 		127 MB/s 440 MB/s Hugely faster peak sustained write speed.
+246%
Value & Sentiment 
+99%
Market Share
Based on 77,604,065 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.14 % Hugely higher market share.
+250% 		0.04 %
Value
Value For Money 		8.68 % Much better value.
+68% 		5.17 %
User Rating
UBM User Rating 		54 % 54 %
Price
Price (score) 		$36 Much cheaper.
+76% 		$150
Nice To Haves 
+84%
Age
Newest 		144 Months +1% 145 Months
DQ Read
Peak 4K-64Thread Read Speed 		195 MB/s 376 MB/s Hugely faster peak deep queue read.
+93%
DQ Write
Peak 4K-64Thread Write Speed 		153 MB/s 330 MB/s Hugely faster peak deep queue write.
+116%
AS-SSD Total
AS-SSD Total Score 		679 Pts 1,196 Pts Much stronger server IO.
+76%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		133 MB/s 155 MB/s Faster peak deep queue mixed IO.
+17%
ADQ Read
Avg. 4K-64Thread Read Speed 		101 MB/s 332 MB/s Hugely faster deep queue read.
+229%
ADQ Write
Avg. 4K-64Thread Write Speed 		118 MB/s 245 MB/s Hugely faster deep queue write.
+108%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		91.6 MB/s 126 MB/s Much faster deep queue mixed IO.
+38%
Specifications 
Capacity
Capacity 		120GB 128GB
Conclusion 
Average Bench 53.6%
Average Bench 89.5%

The 120GB Kingston V300 has a performance profile that closely matches its 240GB sibling. Both drives utilize a Sandforce LSI controller and therefore demonstrate relative weakness in their write speeds. With burst sequential read/write speeds of 497/166 MBps and 4k burst read/write speeds of 30/97 MBps the 120GB V300 is amongst the slower SSDs I have seen. A concern I have with this drive is the relatively slow real world speeds our users have experienced. Most drives have average throughput rates that are around 75% of peak. Both this and the 240GB V300s, based on 130 samples, are averaging sequential read rates of around 240 MBps which is less than 50% of peak. It's not all bad news though because the V300's are priced extremely aggressively and as a result still offer decent value for money. [Feb '14 SSDrivePro]

MORE DETAILS

The 128GB 840 Pro is a rock solid performer. On release, nearly a year and a half ago, the Pro smashed several speed records. Today, with sequential read/write speeds of 519/438 MBps, the Pro is still one of the fastest SSDs available. One of the Pro's top competitors is Samsungs own, newer 840 Evo. Looking at a raw synthetic speed comparison of the 128GB Pro and Evo is a little misleading. On the face of it the Pro only has a marginal lead over the Evo. This due to the fact that the Evo can only maintain its burst write speed for transfers of up to 3GB, the size of its SLC cache. The Pro on the other hand can sustain higher throughputs indefinitely. The Pro also utilizes MLC which is rated for far more erase cycles than the TLC used in the Evo. Server IO is often continuous and would quickly exhaust the 3GB cache on the Evo but for typical consumer use the Evo will remain within the SLC cache most of the time. [Feb '14 SSDrivePro]

MORE DETAILS

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Solid State Drive Rankings (Price vs Performance) November 2024 SSD Rankings

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]

Group Test Results

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 Frequently Asked Questions

Storage Devices FAQ
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Solid State Drives
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