Product Comparison: SanDisk Ultra II SSD vs SanDisk Extreme 500 Portable SSD


General Specifications
Brand
SanDisk
SanDisk
Model
Ultra II S
Extreme 500
Origin
China
China
About the Product
Boost your PC’s performance up to 28x with an easy and affordable upgrade to SanDisk Ultra II SSD. You’ll enjoy no-wait boot up, and shorter application load and data transfer times than your traditional hard drive ever delivered—plus longer battery life and much cooler, quieter computing, too.
The SanDisk Extreme 500 portable SSD is less than half the size of your smartphone and delivers up to 4x the speed of an external hard drive. Get to work in seconds, transfer big videos and photo libraries at up to 440MB/s—a speed that external hard drives can only dream about.
Key Specs
Type
Form Factor - 2.5"
Portable
Available Capacities
240 GB, 480 GB, 500 GB, 960 GB
120 GB, 240 GB
Max. Transfer Speed
545 MB/sec
440 MB/sec
What customers say about "Key Specs"
SanDisk Ultra II SSD 500 GB SATA III 2.5 inch Internal SSD
  • Unless you are some super gamer, ultra power user with some crazy fast and expensive computer, this hard drive will be quite sufficient for you in terms of speed.
  • Overall its an amazing SSD, really fast and great read and write speeds
  • I put a 480gb version in my 5 year old Lenovo T420 with Windows 10 & 8gb of memory and the thing is amazingly fast!
  • Granted, I knew that this Drive I was purchasing was by far not the best but by far not the worse!
  • Great ssd. Has been reliable so far. I have an evo 850 on another desktop and I cannot tell the speed difference of anyone cares.
SanDisk Extreme 500 Portable SSD 500GB SDSSDEXT-500G-G25
  • Fast transfer speeds, pushed GBs of data in second
  • In comparing this drive to the SanDisk Extreme 510 Portable SSD, 480GB, I can see no difference in speed or size.
  • I use it for everything copying video files games and ill be using it when i go on vacation it's small, light and super rugged. the transfer speeds on this thing are amazing!
  • The R/W speed is as expected for a modern SSD, but what really makes this unique is the form factor.
  • Speed - can't really comment on (bottlenecks are probably elsewhere with my applications) but it works fine for me.
Size & Weight
Color
Black
Black
Height
2.71 in.
2.98 in.
Width
3.95 in.
2.98 in.
Depth
0.28 in.
0.39 in.
Weight
1.9 oz.
1.58 oz.
Features
OS Compatibility
Windows, Mac OS X
Windows, Mac OS X
Interfaces
SATA 6Gb/s
USB 3.0
Password Setting
Optional
Optional
Data Protection
Shock-resistant, Vibration resistant
Shock-resistant
Extras
Сache 2.0 technology, Up to 28x better performance, Endurance and reliability where it counts
Rugged, durable design, Stays cool and quiet, Designed for Durability
What customers say about "Features"
SanDisk Ultra II SSD 500 GB SATA III 2.5 inch Internal SSD
  • This SSD was priced great when I bought it... It features the latest type of memory which is more reliable than the previous type for SSDs. I
  • The Ultra II is a bit newer SSD with designed mid-level performance (for a SSD) and economy pricing.
  • More importantly this drive will start to degrade data when it nears it's low design life and if kept in a hot area, will degrade, not good.
  • Using less RAM, fan is much quieter, boot time is under 20 seconds, loading programs and opening files are instantaneous. No spin wheels for me anymore.
  • My PC only supports SATA3, and this drive is backwards compatible with the older SATA. Highly recommend a SSD to bring life to an older PC.
SanDisk Extreme 500 Portable SSD 500GB SDSSDEXT-500G-G25
  • The drive is suspended in mid-air by the cable. I find other SanDisk products to be well thought out, but this cable problem is truly a swing and a miss.
  • Small, rugged, fast and secure. I had great luck for the first while with these.
  • The SSD does come with an included black USB3 cable which is just about 8.5" in length and all the connections are nice and secure (perhaps a little too tight?)
  • The drive comes with some "Vault" software for extra security that I don't need. I just save my data outside of the vault on the drive.
  • Everything works perfect my taxes are done. You do have the option of encrypt and everything which I think is cool it does come with the pass code to access the hard drive so it is very secure.
Included
Software
SanDisk SSD Dashboard
SanDisk Secure Access software
Additional Accessories
USB-C cable
Power
Power Supply
5V/0.5A
5V/0.5A
Warranty / Certifications
Manufacturer Warranty
3 year(s)
3 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Manufacturer


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