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Silicon Power ULTIMA U03
8.8 out of 10

Silicon Power ULTIMA U03

Best Price at Amazon

Reviews and Problems with Silicon Power ULTIMA U03

Showing 1-10 of 123
Overall 10

Five Stars

Mary K., Amazon
11 May 2015
Overall 10

Five Stars

Clara, Amazon
17 February 2015
Overall 2

save your money

Donald S., Newegg
19 December 2014
  • Summary: I got duped into buying this with an impulse offer I apparently found irresistible. For the cost it wasn't worth the hassle to return. The life cycle of this product must be nearing with the proliferation of USB 3.0.
  • Pros: it's shinny
  • Cons: works intermittently, rejects files that are half the size of the drive, will show a copying state and then just hang. Do yourself a favor and get the USB 3.0 version of this stick for another 5 bucks. The USB 3.0 version works like a champ. For the cost it wasn't worth the hassle to return.
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Overall 8

Four Stars

Paul, Amazon
17 September 2014
Overall 8

Fast reads, slow writes

Terran M., Newegg
22 August 2014
  • Summary: One of the lowest prices on 64GB USB drives, at least at the time I got it. Overall good value for low-write, high-read workloads. I would not recommend for a write-heavy workload.
  • Pros: 15 MB/sec reads. Physically robust. It's the slide kind with no cover to lose. Read performance from iostat: Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sdh 3591.10 0.00 226.40 0.00 15258.40 0.00 134.79 3.62 15.98 15.98 0.00 4.42 100.00 sdh 3588.6...
  • Cons: Actual capacity only 57 GB. Very slow writes. Less than 1 MB/sec sustained write throughput. Here's some sar results from copying files to it with rsync; ext4 fs with journal disabled: 12:00:01 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util 11:20:01 AM sdh 6.56 1.07 1477.03 225....
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Overall 6

Three Stars

F. Rashid, Amazon
19 August 2014
Overall 8

Good Product

Adam A., Newegg
22 July 2014
  • Summary: I definitely recommend it for a budget purchase.
  • Pros: You get what you purchase and for this purchase, a great price. Good transfer rates, not great. Great storage space. Hasn't failed on me. Outer shell is of OK quality. Wouldn't purposefully put it through the washing machine or under a car tire. The sliding mechanism to extract the USB input is n...
  • Cons: Transfer rates leave something to be desired of course, as well as the protective casing.
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Overall 10

No complaints

Robert M., Newegg
4 June 2014
  • Pros: When formatted to exFAT this drive was EXTREMELY fast, by the far the fastest transfer I have ever seen with a flash drive. Unfortunately I bought it for a Raspberry Pi media server and couldn't get exFAT to work so had to change to FAT which was back down to typical flash drive speed. Still pret...
  • Cons: None noted
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Overall 10

Good product!

Joe S., Newegg
21 May 2014
  • Pros: Had this drive for almost a month, and had no problem using it. Good price, good product and really like the cap-less design! Would buy it again!
  • Cons: none
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Overall 4

incredibly SLOW

Peter E., Newegg
30 April 2014
  • Summary: Now I don't have to worry when I give someone a set of files on a thumbdrive if I'll get the drive back. In this case I hope it doesn't come back.
  • Pros: Cheap, they were on sale ($5each) and I should have known better. Every time such a sale happens it's because someone is dumping something already judged useless by the general world.
  • Cons: CrystalDiskMark took so long to set up the test file for diagnostics that I thought it had crashed. I haven't seen a drive this SLOW in years. 15MB/s read, 5 MB/s write. It is quickly recognized by the Windows7 system (seconds), that is why I gave it two eggs instead of one.
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