UserBenchmark: SanDisk Ultra Plus vs Seagate 600

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SeagateST240HM000

$215

SanDiskSDSSDHP-128G-G25

BUY • $75

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Real World Speed

Performance profile from 20,304 user samples

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3,595 User Benchmarks

Best Bench: 103% 41GB free
Worst Bench: 56% 22GB free (System drive)

Poor: 56% Great: 103%

SPEED RANK: 446^th / 1072

16,709 User Benchmarks

Best Bench: 91% 42GB free
Worst Bench: 56% 38GB free

Poor: 56% Great: 91%

SPEED RANK: 540^th / 1072


Effective Speed Effective SSD Speed		82.5 %	Slightly faster effective speed. +7%		76.8 %


Read Avg. Sequential Read Speed	422 MB/s		448 MB/s	Slightly faster read speed. +6%
Write Avg. Sequential Write Speed	377 MB/s	Much faster write speed. +51%	250 MB/s
4K Read Avg. 4K Random Read Speed	23.4 MB/s		26.9 MB/s	Faster random read. +15%
4K Write Avg. 4K Random Write Speed	69.8 MB/s		72.2 MB/s	+3%
Mixed Avg. Sequential Mixed IO Speed	309 MB/s	Much faster mixed IO speed. +66%	186 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	31.1 MB/s	+4%	29.8 MB/s
SusWrite Avg. Sustained Write Speed	302 MB/s	Much faster sustained write speed. +42%	213 MB/s


Read Peak Sequential Read Speed	496 MB/s	+1%	492 MB/s
Write Peak Sequential Write Speed	450 MB/s	Much faster peak write speed. +54%	292 MB/s
4K Read Peak 4K Random Read Speed	28.3 MB/s		32.3 MB/s	Faster peak random read. +14%
4K Write Peak 4K Random Write Speed	98.9 MB/s		102 MB/s	+3%
Mixed Peak Sequential Mixed IO Speed	348 MB/s	Much faster peak mixed IO speed. +58%	220 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	37.9 MB/s	+5%	36.2 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	439 MB/s	Much faster peak sustained write speed. +51%	290 MB/s

Market Share

Based on 75,804,315 SSDs tested

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Market Share Market Share (trailing 30 days)	0 %	0.01 %	Insanely higher market share. +∞%
Value Value For Money	5.82 %	7.45 %	Better value. +28%
User Rating UBM User Rating	53 %	53 %
Price Price (score)	$215	$75	Much cheaper. +65%


Age Newest	132 Months	+3%	136 Months
DQ Read Peak 4K-64Thread Read Speed	361 MB/s	Faster peak deep queue read. +13%	319 MB/s
DQ Write Peak 4K-64Thread Write Speed	352 MB/s	Much faster peak deep queue write. +77%	199 MB/s
AS-SSD Total AS-SSD Total Score	1,166 Pts	Stronger server IO. +24%	937 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	256 MB/s	Hugely faster peak deep queue mixed IO. +105%	125 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	301 MB/s	Slightly faster deep queue read. +6%	284 MB/s
ADQ Write Avg. 4K-64Thread Write Speed	265 MB/s	Much faster deep queue write. +53%	173 MB/s
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	220 MB/s	Hugely faster deep queue mixed IO. +93%	114 MB/s


Capacity Capacity			240GB			128GB

This is Seagate's third foray into the the SSD market and it's clear from the specifications that Seagate haven't taken any chances. The 600 incorporates the now reasonably established LAMD LM87800 controller coupled with 19 NM Toshiba MLC, a very similar combination to Corsair's Neutron GTX. This combination of hardware coupled with Seagate's custom firmware produces a very solid set of performance figures. With a Real World Performance rating of 531 MB/s and an AS SSD total score of 1131 the Seagate 600 demonstrates both superb server and consumer performance capabilities. The pricing on the 600 is currently around average for a group leading SSD and likely to drop with time as the 600 is still relatively recent. Overall the 240GB Seagate 600 represents good value for money and delivers great performance. ^{[Aug '13 SSDrivePro]}

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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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Solid State Drive Rankings (Price vs Performance) May 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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Frequently Asked Questions

Storage Devices FAQ

What is sustained sequential write speed?

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CPU	GPU	SSD
Intel Core i5-13600K $254	Nvidia RTX 4060 $300	Crucial MX500 250GB $39
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37	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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