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Silicon Power > 
Item#: N82E16820301164

Silicon Power Ultima U03 64GB USB 2.0 Flash Drive Model SP064GBUF2U03V1K

  • USB 2.0
  • 64GB
  • USB 2.0 interface Diamond cut pattern with a glossy surace Lidless push-out design Retractable USB port LED indicator light
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Learn more about the Silicon Power SP064GBUF2U03V1K

Model

Brand
Silicon Power
Series
Ultima U03
Model
SP064GBUF2U03V1K

Tech Spec

USB Specification
USB 2.0
Capacity
64GB
Dimensions
55mm x 20mm x 8.6mm
Weight
13g
Color
Black
Features
USB 2.0 interface

Diamond cut pattern with a glossy surace

Lidless push-out design

Retractable USB port

LED indicator light

Quick Info

Warranty

  • Limited Warranty period (parts): Lifetime
  • Limited Warranty period (labor): Lifetime


Customer Reviews of the Silicon Power SP064GBUF2U03V1K

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Showing 3 of 3 reviews - Clear Filters

  • Terran M.
  • 8/22/2014 8:43:36 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsFast reads, slow writes

This review is from: Silicon Power Ultima U03 64GB USB 2.0 Flash Drive Model SP064GBUF2U03V1K

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 3588.60 0.00 229.00 0.00 15270.40 0.00 133.37 3.67 16.03 16.03 0.00 4.37 100.00
sdh 3605.30 0.00 231.50 0.00 15347.20 0.00 132.59 3.68 15.91 15.91 0.00 4.32 100.00

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 1477.03 225.18 139.03 20815.65 150.52 98.80
11:30:01 AM sdh 5.37 0.00 1236.49 230.08 143.46 26831.27 186.08 100.00

At this rate, writing 60 GB would take about a day.

Other Thoughts: 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.

1 out of 1 people found this review helpful. Did you? Yes No

  • Terran M.
  • 12/23/2013 6:03:22 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggs5 MB/sec write, 15 MB/sec read

This review is from: Silicon Power Ultima U03 64GB USB 2.0 Flash Drive Model SP064GBUF2U03V1K

Pros: Good price. 61.9 * 10^9 bytes.

Cons: Not particularly fast. Getting 5 MB/sec writes, which will take about 3 hours to fill the drive. Reads are 15 MB/sec.

Other Thoughts: Reasonable value overall. USB device IDs as Kingston - 13fe:4100.

2 out of 2 people found this review helpful. Did you? Yes No

  • james w.
  • 7/14/2013 9:45:13 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs64 gb usb stick

This review is from: Silicon Power Ultima U03 64GB USB 2.0 Flash Drive Model SP064GBUF2U03V1K

Pros: i bought this so i could fill it with movies for my raspberry pi as we wouldnt have any network attached storage while we were on our trip and it functioned perfectly. if i needed more usb flashdrives i would definitely buy more of these but i just dont use them all that often. for the price it is awesome.

Cons: none

0 out of 1 people found this review helpful. Did you? Yes No

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Home > 
Computer Hardware > 
Flash Memory & Readers > 
USB Flash Drives > 
Silicon Power > 
Item#: N82E16820301164
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