UserBenchmark: Crucial M550 vs Transcend SSD370

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CrucialCT256M550SSD1

$152

TranscendTS256GSSD370

BUY • $110

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Real World Speed

Performance profile from 13,582 user samples

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8,333 User Benchmarks

Best Bench: 113% 106GB free
Worst Bench: 60% 231GB free

Poor: 60% Great: 113%

SPEED RANK: 320^th / 1072

5,249 User Benchmarks

Best Bench: 96% 139GB free
Worst Bench: 54% 14GB free (System drive)

Poor: 54% Great: 96%

SPEED RANK: 487^th / 1072


Effective Speed Effective SSD Speed		90.5 %	Faster effective speed. +13%		80 %


Read Avg. Sequential Read Speed	418 MB/s		465 MB/s	Faster read speed. +11%
Write Avg. Sequential Write Speed	416 MB/s	Much faster write speed. +47%	283 MB/s
4K Read Avg. 4K Random Read Speed	27.1 MB/s	Faster random read. +11%	24.5 MB/s
4K Write Avg. 4K Random Write Speed	85 MB/s	Faster random write. +16%	73.3 MB/s
Mixed Avg. Sequential Mixed IO Speed	299 MB/s	Faster mixed IO speed. +19%	251 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	37.9 MB/s	Faster random mixed IO. +14%	33.2 MB/s
SusWrite Avg. Sustained Write Speed	311 MB/s	Much faster sustained write speed. +35%	231 MB/s


Read Peak Sequential Read Speed	466 MB/s		513 MB/s	Faster peak read speed. +10%
Write Peak Sequential Write Speed	470 MB/s	Much faster peak write speed. +56%	301 MB/s
4K Read Peak 4K Random Read Speed	31.9 MB/s	Slightly faster peak random read. +10%	29 MB/s
4K Write Peak 4K Random Write Speed	118 MB/s	Slightly faster peak random write. +9%	108 MB/s
Mixed Peak Sequential Mixed IO Speed	333 MB/s	Faster peak mixed IO speed. +12%	296 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	46.4 MB/s	Faster peak random mixed IO. +12%	41.3 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	459 MB/s	Much faster peak sustained write speed. +56%	295 MB/s

Market Share

Based on 75,656,523 SSDs tested

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Market Share Market Share (trailing 30 days)	0 %	0 %
Value Value For Money	8.68 %	9.8 %	Better value. +13%
User Rating UBM User Rating	52 %	53 %	+2%
Price Price (score)	$152	$110	Cheaper. +28%


Age Newest	121 Months		116 Months	+4%
DQ Read Peak 4K-64Thread Read Speed	387 MB/s	Much faster peak deep queue read. +33%	291 MB/s
DQ Write Peak 4K-64Thread Write Speed	361 MB/s	Faster peak deep queue write. +25%	288 MB/s
AS-SSD Total AS-SSD Total Score	1,240 Pts	Stronger server IO. +26%	987 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	240 MB/s	Faster peak deep queue mixed IO. +24%	193 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	311 MB/s	Faster deep queue read. +22%	255 MB/s
ADQ Write Avg. 4K-64Thread Write Speed	282 MB/s	Faster deep queue write. +15%	246 MB/s
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	201 MB/s	Faster deep queue mixed IO. +25%	161 MB/s


Capacity Capacity			256GB			256GB

The 256GB Crucial M550 is a welcome improvement over the 240GB M500. The new Marvel 88SS9189 controller has addressed our primary concern with the M500 which was poor sequential write speed. With sequential read/write speeds of 510/478 MB/s the M550 has a healthy core performance profile. Comparing the M550 and M500 shows that the new M550 leads on nearly every single performance metric. Unfortunately the M550 is priced significantly higher than the M500 but prices will likely drop as retailers build up stocks of the new M550. A key comparable for the M550 is the similarly priced market leading Samsung Evo. Comparing the Evo and M550 shows that the Evo is around 11% slower in terms of effective speed. ^{[Mar '14 SSDrivePro]}

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The 256GB Transcend SSD370 sports a Silicon Motion (SM2246EN) controller coupled with Micron 20nm synchronous MLC NAND. With peak sequential read/write speeds of 520/290 MBps and peak 4k read/write speeds of 29/116 the SSD370 has an effective speed which is amongst the bottom 25% of ~250GB drives. The effective speed is weighed down by a relatively weak sequential write speed of just 290 MBps. The performance highlight for the SSD370 is its ability to deal with mixed 4k IO which is arguably one of the best real world indicators. At current prices the SSD370 can't compete as there are both cheaper and faster alternatives on the market but prices are almost certain to drop at which time the SSD370 will fare far better in terms of value. ^{[Oct '14 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 $279	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $134	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184	Nvidia RTX 4070 $409	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) $35	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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