SamsungMZ-77E250B
OCZVTR180-25SAT3-240G

Controller: Samsung MKX. Memory: Samsung 128 layer TLC V-NAND. Release date: Q1 2021.

Controller: OCZ Barefoot 3 M00. Flash: Toshiba 19nm (2nd gen) MLC NAND. Release date: Q1 2015.

Real World Speed
Performance profile from 15,165 user samples
14,082 User Benchmarks
Best Bench: 128% 0GB free
Worst Bench: 67% 59GB free (System drive)
Poor: 67% Great: 128%
SPEED RANK: 259th / 1080
1,083 User Benchmarks
Best Bench: 108% 96GB free (System drive)
Worst Bench: 67% 83GB free (System drive)
Poor: 67% Great: 108%
SPEED RANK: 337th / 1080
Effective Speed
Effective SSD Speed
101 % Faster effective speed.
+12%
90.2 %
Read
Avg. Sequential Read Speed
461 MB/s Faster read speed.
+15%
401 MB/s
Write
Avg. Sequential Write Speed
395 MB/s 422 MB/s Slightly faster write speed.
+7%
4K Read
Avg. 4K Random Read Speed
36.4 MB/s Much faster random read.
+56%
23.3 MB/s
4K Write
Avg. 4K Random Write Speed
81.9 MB/s 83.5 MB/s +2%
Mixed
Avg. Sequential Mixed IO Speed
365 MB/s Faster mixed IO speed.
+14%
321 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
45.9 MB/s Much faster random mixed IO.
+40%
32.7 MB/s
SusWrite
Avg. Sustained Write Speed
322 MB/s 384 MB/s Faster sustained write speed.
+19%
Read
Peak Sequential Read Speed
514 MB/s Faster peak read speed.
+15%
448 MB/s
Write
Peak Sequential Write Speed
486 MB/s 486 MB/s
4K Read
Peak 4K Random Read Speed
49.1 MB/s Much faster peak random read.
+76%
27.9 MB/s
4K Write
Peak 4K Random Write Speed
123 MB/s 127 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed
457 MB/s Faster peak mixed IO speed.
+29%
353 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
66.1 MB/s Much faster peak random mixed IO.
+65%
40 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
396 MB/s 461 MB/s Faster peak sustained write speed.
+16%
Market Share
Based on 76,273,497 SSDs tested
Market Share
Market Share (trailing 30 days)
0.07 % Insanely higher market share.
+∞%
0 %
Value
Value For Money
20.9 % Hugely better value.
+163%
7.95 %
User Rating
UBM User Rating
57 % Slightly more popular.
+8%
53 %
Price
Price (score)
$54 Much cheaper.
+66%
$160
Age
Newest
41 Months Much more recent.
+63%
111 Months
DQ Read
Peak 4K-64Thread Read Speed
389 MB/s Faster peak deep queue read.
+12%
347 MB/s
DQ Write
Peak 4K-64Thread Write Speed
362 MB/s 372 MB/s +3%
AS-SSD Total
AS-SSD Total Score
1291 Pts Slightly stronger server IO.
+8%
1193 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
372 MB/s Faster peak deep queue mixed IO.
+30%
287 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
349 MB/s Faster deep queue read.
+15%
304 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
299 MB/s +0% 298 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
280 MB/s Faster deep queue mixed IO.
+13%
247 MB/s
Capacity
Capacity
250GB 240GB
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The OCZ Vector 180 has a five year warranty and is rated for 50GB/day over that time. In terms of hardware the Vector 180 is basically a rebadged two year old Vector 150. The 180 does feature "Power Failure Management Plus" which protects data that has already been written to the drive but any data that is in the process of being written is still at risk. In terms of performance the Vector 180, like its predecessor (Vector 150) is very strong. With an effective speed of 98.7% the Vector appears to hold its own with the likes of the similarly priced Samsung 850 Pro. But taking a closer look at the performance differences between the 850 Pro and Vector 180 shows that although the headline speeds are comparable, the Vector has significantly slower 4K Mixed IO speeds, this won't impact most consumers but it could be a sticking point for power users. [Jun '15 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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