UserBenchmark: Plextor M5 Pro vs SanDisk Extreme II

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PlextorPX-128M5P

BUY • $130

SanDiskSDSSDXP-240G-G25

BUY • $110

BenchYourSSD

Real World Speed

Performance profile from 7,485 user samples

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4,476 User Benchmarks

Best Bench: 98% 64GB free
Worst Bench: 63% 14GB free

Poor: 63% Great: 98%

SPEED RANK: 428^th / 1072

3,009 User Benchmarks

Best Bench: 109% 170GB free (System drive)
Worst Bench: 65% 77GB free (System drive)

Poor: 65% Great: 109%

SPEED RANK: 331^st / 1072


Effective Speed Effective SSD Speed		83.8 %			90.1 %	Slightly faster effective speed. +8%


Read Avg. Sequential Read Speed	451 MB/s		459 MB/s	+2%
Write Avg. Sequential Write Speed	305 MB/s		393 MB/s	Faster write speed. +29%
4K Read Avg. 4K Random Read Speed	27.8 MB/s		28.2 MB/s	+1%
4K Write Avg. 4K Random Write Speed	63.1 MB/s		77.1 MB/s	Faster random write. +22%
Mixed Avg. Sequential Mixed IO Speed	259 MB/s	Faster mixed IO speed. +14%	228 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	32.3 MB/s	+0%	32.2 MB/s
SusWrite Avg. Sustained Write Speed	284 MB/s		341 MB/s	Faster sustained write speed. +20%


Read Peak Sequential Read Speed	499 MB/s		507 MB/s	+2%
Write Peak Sequential Write Speed	325 MB/s		469 MB/s	Much faster peak write speed. +44%
4K Read Peak 4K Random Read Speed	34.2 MB/s	+0%	34.1 MB/s
4K Write Peak 4K Random Write Speed	89.2 MB/s		112 MB/s	Faster peak random write. +26%
Mixed Peak Sequential Mixed IO Speed	292 MB/s	Slightly faster peak mixed IO speed. +7%	272 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	41.4 MB/s	+4%	39.7 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	317 MB/s		466 MB/s	Much faster peak sustained write speed. +47%

Market Share

Based on 75,735,342 SSDs tested

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Market Share Market Share (trailing 30 days)	0 %	0 %
Value Value For Money	5.38 %	10.5 %	Hugely better value. +95%
User Rating UBM User Rating	52 %	54 %	+4%
Price Price (score)	$130	$110	Cheaper. +15%


Age Newest	139 Months		131 Months	Slightly more recent. +6%
DQ Read Peak 4K-64Thread Read Speed	360 MB/s		361 MB/s	+0%
DQ Write Peak 4K-64Thread Write Speed	314 MB/s	+3%	306 MB/s
AS-SSD Total AS-SSD Total Score	1,110 Pts		1,149 Pts	+3%
DQ Mixed Peak 4K-64Thread Mixed IO Speed	213 MB/s	Much faster peak deep queue mixed IO. +38%	154 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	305 MB/s		313 MB/s	+3%
ADQ Write Avg. 4K-64Thread Write Speed	258 MB/s		260 MB/s	+1%
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	180 MB/s	Faster deep queue mixed IO. +29%	139 MB/s


Capacity Capacity			128GB			240GB

The 128GB Plextor M5 Pro has a reasonable performance profile. With an effective speed of 442 MB/s it ranks just 5% below the average of the top ten user rated 128GB SSDs, a good result. The M5 Pro's server orientated deep queue read/write speeds clocked in at 345/282 MB/s, slightly above average. As a consequence of having fewer NAND modules, the 128GB version is around 40% slower at sequential writing than its 256GB sibling. The larger capacity M5 Pro represents significantly better value for money. In the 128GB category some manufacturers (Samsung/OCZ) are offering the same sorts of speeds as typically seen in the faster 256GB category. In terms of performance, those SSDs currently stand heads and shoulders above the rest of the 128GB pack. There are several better value for money alternatives to the 128GB M5 Pro in the group test. ^{[Feb '14 SSDrivePro]}

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The Sandisk Extreme II uses the 88SS9187-BLD2 controller, Marvel's latest, and Sandisk's own 19MM MLC Memory. On paper this makes an extremely good combination and the benchmarks agree. The Extreme II scored an impressive 1143 in the server orientated AS SSD Benchmark putting it amongst the more capable server drives. In terms of real world consumer performance the Extreme II also fared well achieving a real world speed index score of 570.5 MB/s, amongst the top three scores we have seen to date. The Extreme II has everything going for it apart from its price which is currently significantly above average and hurting its value rating. Because the Extreme is the newest SSD we have in our group test we expect prices will drop with time. Until then, however, there is better value to be had elsewhere. ^{[Jun '13 SSDrivePro]}

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

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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CPU	GPU	SSD
Intel Core i5-13600K $269	Nvidia RTX 4060 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $131	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

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