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Difference between SanDisk Extreme SDSSDX-120G-G25 & SanDisk Ultra SDSSDH-120G-G25
Posted on 2012-12-29
Q1:
Why there's difference in terms of performance between:
a) SanDisk Extreme SSD 120 GB SATA 6.0 Gb-s2.5-Inch Solid State Drive SDSSDX-120G-G25
and
b) SanDisk Ultra 120 GB Solid State Drive SDSSDH-120G-G25
Q2:
for (a), MTBF is 2.5million hrs. Anyone can provide the
MTBF for (b)?
For (a), amazon url give 510/550Mbps write/read while
for (b), amazon url give 270/280Mbps write/read.
Both are SSDs, why such a big gap in performance?
For a, I refer to the url
http://www.amazon.com/SanDisk-Extreme-Gb-s2-5-Inch-Solid-SDSSDX-120G-G25/dp/B006EKJCWM/ref=sr_1_1?ie=UTF8&qid=1356796395&sr=8-1&keywords=SDSSDX-120G-G25
For b, I refer to the url
http://www.amazon.com/SanDisk-Ultra-Solid-State-SDSSDH-120G-G25/dp/B005F30IJK/ref=sr_1_3?ie=UTF8&qid=1356796395&sr=8-3&keywords=SDSSDX-120G-G25
Q3:
Can both the models be inserted into Lenovo X220 laptop for
Win 7 boot-up ?
Why there's difference in terms of performance between:
a) SanDisk Extreme SSD 120 GB SATA 6.0 Gb-s2.5-Inch Solid State Drive SDSSDX-120G-G25
and
b) SanDisk Ultra 120 GB Solid State Drive SDSSDH-120G-G25
Q2:
for (a), MTBF is 2.5million hrs. Anyone can provide the
MTBF for (b)?
For (a), amazon url give 510/550Mbps write/read while
for (b), amazon url give 270/280Mbps write/read.
Both are SSDs, why such a big gap in performance?
For a, I refer to the url
http://www.amazon.com/SanDisk-Extreme-Gb-s2-5-Inch-Solid-SDSSDX-120G-G25/dp/B006EKJCWM/ref=sr_1_1?ie=UTF8&qid=1356796395&sr=8-1&keywords=SDSSDX-120G-G25
For b, I refer to the url
http://www.amazon.com/SanDisk-Ultra-Solid-State-SDSSDH-120G-G25/dp/B005F30IJK/ref=sr_1_3?ie=UTF8&qid=1356796395&sr=8-3&keywords=SDSSDX-120G-G25
Q3:
Can both the models be inserted into Lenovo X220 laptop for
Win 7 boot-up ?
[X]
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4 Comments
Active 2 days ago
http://www.amazon.com/SanDisk-Extreme-Internal-Solid-SDSSDX-120G-G25/dp/B007P6Q182/ref=sr_1_5?ie=UTF8&qid=1356796395&sr=8-5&keywords=SDSSDX-120G-G25
another Amazon url above selling the Extreme model much cheaper
but is this the same Extreme model as the one given in the url below?
http://www.amazon.com/SanDisk-Extreme-Gb-s2-5-Inch-Solid-SDSSDX-120G-G25/dp/B006EKJCWM/ref=sr_1_1?ie=UTF8&qid=1356796395&sr=8-1&keywords=SDSSDX-120G-G25
another Amazon url above selling the Extreme model much cheaper
but is this the same Extreme model as the one given in the url below?
http://www.amazon.com/SanDisk-Extreme-Gb-s2-5-Inch-Solid-SDSSDX-120G-G25/dp/B006EKJCWM/ref=sr_1_1?ie=UTF8&qid=1356796395&sr=8-1&keywords=SDSSDX-120G-G25
Active today
Q1: the version of SATA is the difference. Extreme is using sata6 and ultra is using sata3.
Q2: the mtbf is the same mostly. The gap is due to sata interface. If your laptop uses sata3 then the speed will be the same for both drives.
Q3: yes. They both have sata interface.
The difference is seen here: http://www.sandisk.com/products/ssd/sata/
Q2: the mtbf is the same mostly. The gap is due to sata interface. If your laptop uses sata3 then the speed will be the same for both drives.
Q3: yes. They both have sata interface.
The difference is seen here: http://www.sandisk.com/products/ssd/sata/
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