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SanDiskSDSSDHP-064-G25
TranscendTS256GSSD370
▲ 501 ▼
  

Controller: Marvell SS889175. Memory: SanDisk 19nm eX2 ABL MLC. Release date ≤ Q1 2014.

VS
▲ 532,154 ▼

Controller: Silicon Motion SM2246EN. NAND: Micron 20nm Synchronous MLC. Release date: Q3 2014.

Effective Speed 
+16%
Real World Speed
Performance profile from 6,366 user samples
Benchmark your SSD here
1,117 User Benchmarks
Best Bench: 81% 60GB free
Worst Bench: 51% 9GB free (System drive)
Poor: 51% Great: 81%
SPEED RANK: 689th / 1080
5,249 User Benchmarks
Best Bench: 96% 139GB free
Worst Bench: 54% 14GB free (System drive)
Poor: 54% Great: 96%
SPEED RANK: 495th / 1080
Effective Speed
Effective SSD Speed 		69.2 % 80 % Faster effective speed.
+16%
Average Score 
+36%
Read
Avg. Sequential Read Speed 		410 MB/s 465 MB/s Faster read speed.
+13%
Write
Avg. Sequential Write Speed 		138 MB/s 283 MB/s Hugely faster write speed.
+105%
4K Read
Avg. 4K Random Read Speed 		27.7 MB/s Faster random read.
+13% 		24.5 MB/s
4K Write
Avg. 4K Random Write Speed 		72.1 MB/s 73.3 MB/s +2%
Mixed
Avg. Sequential Mixed IO Speed 		166 MB/s 251 MB/s Much faster mixed IO speed.
+51%
4K Mixed
Avg. 4K Random Mixed IO Speed 		30.5 MB/s 33.2 MB/s Slightly faster random mixed IO.
+9%
SusWrite
Avg. Sustained Write Speed 		126 MB/s 231 MB/s Hugely faster sustained write speed.
+83%
Peak Score 
+37%
Read
Peak Sequential Read Speed 		476 MB/s 513 MB/s Slightly faster peak read speed.
+8%
Write
Peak Sequential Write Speed 		153 MB/s 301 MB/s Hugely faster peak write speed.
+97%
4K Read
Peak 4K Random Read Speed 		33.4 MB/s Faster peak random read.
+15% 		29 MB/s
4K Write
Peak 4K Random Write Speed 		102 MB/s 108 MB/s Slightly faster peak random write.
+6%
Mixed
Peak Sequential Mixed IO Speed 		186 MB/s 296 MB/s Much faster peak mixed IO speed.
+59%
4K Mixed
Peak 4K Random Mixed IO Speed 		37.2 MB/s 41.3 MB/s Faster peak random mixed IO.
+11%
SusWrite
Peak Sequential Sustained Write 60s Average 		153 MB/s 295 MB/s Hugely faster peak sustained write speed.
+93%
Value & Sentiment 
+∞%
Market Share
Based on 76,225,990 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.01 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		50 % 53 % Slightly more popular.
+6%
Nice To Haves 
+37%
Age
Newest 		122+ Months 118 Months +3%
DQ Read
Peak 4K-64Thread Read Speed 		300 MB/s +3% 291 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		150 MB/s 288 MB/s Hugely faster peak deep queue write.
+92%
AS-SSD Total
AS-SSD Total Score 		839 Pts 987 Pts Stronger server IO.
+18%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		120 MB/s 193 MB/s Much faster peak deep queue mixed IO.
+61%
ADQ Read
Avg. 4K-64Thread Read Speed 		263 MB/s +3% 255 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		134 MB/s 246 MB/s Hugely faster deep queue write.
+84%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		109 MB/s 161 MB/s Much faster deep queue mixed IO.
+48%
Specifications 
Capacity
Capacity 		64GB 256GB
Conclusion 
Average Bench 69.2%
Average Bench 80%
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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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