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SanDiskSDSSDHP-128G-G25
SamsungMZ-75E120B
▲ 532,421 ▼

Controller: Marvell SS889175. Memory: SanDisk 19nm eX2 ABL MLC. Release date: Q1 2013.

VS
▲ 584,587 ▼

Controller: Samsung Dual Core MGX. Memory: Samsung 40nm TLC V-NAND. Release date: Q4 2014.

Effective Speed 
+25%
Real World Speed
Performance profile from 85,933 user samples
Benchmark your SSD here
16,709 User Benchmarks
Best Bench: 91% 42GB free
Worst Bench: 56% 38GB free
Poor: 56% Great: 91%
SPEED RANK: 548th / 1080
69,224 User Benchmarks
Best Bench: 115% 111GB free
Worst Bench: 64% 111GB free
Poor: 64% Great: 115%
SPEED RANK: 281st / 1080
Effective Speed
Effective SSD Speed 		76.8 % 96 % Faster effective speed.
+25%
Average Score 
+40%
Read
Avg. Sequential Read Speed 		448 MB/s 459 MB/s +2%
Write
Avg. Sequential Write Speed 		250 MB/s 431 MB/s Much faster write speed.
+72%
4K Read
Avg. 4K Random Read Speed 		26.9 MB/s 38.9 MB/s Much faster random read.
+45%
4K Write
Avg. 4K Random Write Speed 		72.2 MB/s 91.2 MB/s Faster random write.
+26%
Mixed
Avg. Sequential Mixed IO Speed 		186 MB/s 358 MB/s Hugely faster mixed IO speed.
+92%
4K Mixed
Avg. 4K Random Mixed IO Speed 		29.8 MB/s 50.2 MB/s Much faster random mixed IO.
+68%
SusWrite
Avg. Sustained Write Speed 		213 MB/s Faster sustained write speed.
+27% 		168 MB/s
Peak Score 
+36%
Read
Peak Sequential Read Speed 		492 MB/s 508 MB/s +3%
Write
Peak Sequential Write Speed 		292 MB/s 489 MB/s Much faster peak write speed.
+67%
4K Read
Peak 4K Random Read Speed 		32.3 MB/s 47.3 MB/s Much faster peak random read.
+46%
4K Write
Peak 4K Random Write Speed 		102 MB/s 127 MB/s Faster peak random write.
+25%
Mixed
Peak Sequential Mixed IO Speed 		220 MB/s 416 MB/s Hugely faster peak mixed IO speed.
+89%
4K Mixed
Peak 4K Random Mixed IO Speed 		36.2 MB/s 62.6 MB/s Much faster peak random mixed IO.
+73%
SusWrite
Peak Sequential Sustained Write 60s Average 		290 MB/s Much faster peak sustained write speed.
+53% 		190 MB/s
Value & Sentiment 
+579%
Market Share
Based on 76,938,287 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.01 % 0.24 % Insanely higher market share.
+2,300%
Value
Value For Money 		7.45 % 8.46 % Better value.
+14%
User Rating
UBM User Rating 		53 % 58 % Slightly more popular.
+9%
Price
Price (score) 		$75 Slightly cheaper.
+6% 		$80
Nice To Haves 
+75%
Age
Newest 		140 Months 117 Months More recent.
+16%
DQ Read
Peak 4K-64Thread Read Speed 		319 MB/s 386 MB/s Faster peak deep queue read.
+21%
DQ Write
Peak 4K-64Thread Write Speed 		199 MB/s 361 MB/s Hugely faster peak deep queue write.
+81%
AS-SSD Total
AS-SSD Total Score 		937 Pts 1,286 Pts Much stronger server IO.
+37%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		125 MB/s 364 MB/s Hugely faster peak deep queue mixed IO.
+191%
ADQ Read
Avg. 4K-64Thread Read Speed 		284 MB/s 338 MB/s Faster deep queue read.
+19%
ADQ Write
Avg. 4K-64Thread Write Speed 		173 MB/s 294 MB/s Much faster deep queue write.
+70%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		114 MB/s 302 MB/s Hugely faster deep queue mixed IO.
+165%
Specifications 
Capacity
Capacity 		128GB 120GB
Conclusion 
Average Bench 76.8%
Average Bench 96%

The 128GB Sandisk Ultra Plus proved to be a bit of a disappointment in comparison to its larger 256GB sibling. The 256GB version has more NAND modules which enable peak sequential write speeds in the region of 450 MB/s. On the 128GB version we saw a peak sequential write speed of just 279 MB/s which is significantly lower than the market leaders which also manage to hit the high 400's. Across the core performance metrics, the 128GB Ultra Plus is around 25% slower than the average of its top competitors and, unlike its 256GB sibling, really struggles to keep up with its direct competition. In terms of value for money the Ultra Plus fares a little better thanks to its reasonably low price tag but there are far better deals to be had in the 128GB category. [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
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
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Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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