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Item#: N82E16820171972

SanDisk Extreme PRO 128GB USB 3.0 Flash Drive Model SDCZ88-128G-G46

  • USB 3.0
  • 128GB
  • 71.0mm x 21.0mm x 11.0mm
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Learn more about the SanDisk SDCZ88-128G-G46

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the SanDisk SDCZ88-128G-G46

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  • Raymond L.
  • 11/17/2014 2:32:03 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsFastest thumb drive!

Pros: Super fast drive! Consistent writes > 180 MB/s. (I transfer 30+GB several times a day, on short notice) I think it is the fastest drive out there. It slightly edges out the PNY turbo which was the fastest drive. Sandisk extreme pro does stay cooler than the pny though.

Cons: Expensive! But the best.

Did you find this review helpful? Yes No

  • Bruce C.
  • 9/27/2014 3:25:51 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsI Did Call SanDisk Support

Pros: See other thoughts

Cons: See other thoughts

Other Thoughts: ____________________

Manufacturer Response:

Hi Bruce,

My name is Allen from SanDisk Support. I am sorry to hear about your experience. The drive performance depends upon various factors that includes USB interface, operating system and computer configuration etc. We would like to know more about your issue in order to isolate it. Now that you have already returned the product, please provide us an opportunity to help the next time you buy any SanDisk product.

Assuring you of the best services.

Thank you,
Allen,
SanDisk support
____________________

Hi Allen,

Actually, I phoned SanDisk support prior to returning the first two drives and they were unable to resolve the issue. They did ask me to email them screen shots of the benchmark results, which I did.

I am running Windows 7 Home Premium as well as an i7 processor (2600K) and 16 GB of DDR-3 1333 MHz RAM. I was using the USB 3.0 interface at the time I benchmarked the SanDisk 128 GB flash drives (other wise, I would not have achieved even the numbers I did).

Furthermore, I have other flash drives (Lexar P-10 and a HP 128 GB) that are benchmarking over 200 MB/s on the same computer. Finally, all of my other (smaller capacity) SanDisk Extreme flash drives are meeting specs.

So I don't think it's my rig. Bit perhaps there is some issue that is affecting only the SanDisk 128 GB Extreme drive.

I have purchased a third SanDisk 128 GB drive (this time from Newegg) and it benchmarks a little better than the first two, but still does not break 200 MB/s on either Read or Write. I know SanDisk is a good company so I will phone you personally within the next week to see if the issue can be resolved.

Thanks for your response. The five egg rating is for the interest you have taken regarding this matter.

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

  • Bruce C.
  • 9/11/2014 2:01:45 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

3 out of 5 eggsMine Did Not Meet Specs.

Pros: See other thoughts.

Cons: See other thoughts.

Other Thoughts: I have purchased SanDisk Extreme flash drives in the past (16, 32, and 64 GB) and all have met (or come very close to) the factory advertised specs when benchmarked (using ATTO, CrystalDiskMark, and AS SSD). So I had very high expectations for the 128 GB model.

The factory advertised specs for this drive are 260 MB/s Sequential Read and 240 MB/s Sequential Write. The one I received measured (using ATTO and CDM) only 174.686 MB/s Read and 139.095 Write. This is approximately 40% slower than advertised specs.

Furthermore, when I created a System Image on it, the 128 GB SanDisk drive took about a minute longer than my 1TB 5400 RPM Western Digital My Passport Ultra hard drive.

To verify it was not an issue with my desktop computer, I (re)benchmarked my other SanDisk Extreme drives and all met specs. I also have a Lexar 64 GB P10 flash drive which has slightly better advertised specs than the SanDisk 128 GB, and the Lexar met specs.

I also benchmarked the 128 GB SanDisk drive on another computer and, once again, the drive failed to even come close to meeting advertised specs.

So the issue is not with my computer or benchmark software.

I returned the original drive and was sent a replacement and it, too, benchmarked about the same as the first one. I have requested an MRA for refund.

Realizing that even the best manufacturers (of which SanDisk is one) can have defective products here and there, and that all other SanDisk Extreme drives I have purchase meet advertised specs -- and it is clear from the reviews here that others have received drives that meet specs -- I will not do as some and trash the whole brand and give it 1 Egg.

I will grant it 3 eggs because of past experience with SanDisk products (and because it does function).

Would I purchase another one of this particular drive? -- well, perhaps after waiting a while until a new/different batch arrives. But I would unhesitatingly purchase other SanDisk Extreme models.

Manufacturer Response:

Hi Bruce,

My name is Allen from SanDisk Support. I am sorry to hear about your experience. The drive performance depends upon various factors that includes USB interface, operating system and computer configuration etc. We would like to know more about your issue in order to isolate it. Now that you have already returned the product, please provide us an opportunity to help the next time you buy any SanDisk product.

Assuring you of the best services.

Thank you,
Allen,
SanDisk support

6 out of 6 people found this review helpful. Did you? Yes No

  • ROBERT B.
  • 7/16/2014 7:33:25 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWhy I will only buy SanDisk in the future

Pros: Reliable
Large capacity
Very Fast
Backed by excellent tech and customer service

Cons: None that I'm aware of

Other Thoughts: This is the third SanDisk Extreme drive that I've bought and all three have been reliable and excellent performers. I use the one under review to back up disk images on a laptop. Initially I ran into a problem with my disk imaging software not allowing writes to the flash drive. After a week of contacting the computer manufacturer, the backup software company, and SanDisk, the problem turned out to be a corrupt C-drive. Although nothing at all was wrong with the 128-GB Extreme Pro flash drive, SanDisk tech and service departments spent hours of trouble shooting time with me on the phone. They finally offered to replace the drive (free shipping both ways) but that became unnecessary once I discovered that the problem was the laptop's C drive. Customer service and support are just as important as the quality of the hardware you purchase.

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

  • Carl M.
  • 5/31/2014 10:40:25 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: This a fantastic thumb drive, very fast transfers

Cons: very pricey

Other Thoughts: If you can afford it, this is the one to buy only if you have usb3 capabilities.

Did you find this review helpful? Yes No

  • Damian R.
  • 5/16/2014 6:13:30 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsUSB 3.0 Awesome

Pros: The speed when used via USB 3.0 is simply incredible: faster than a conventional HDD--comparable to a SSD. I use a lot of portable apps on my stick--now they run as fast as native apps installed to the HDD. File transfers are also superfast.

Cons: Price. You can find other USB 3.0 drives for a third of this price, but you get what you pay for in terms of speed.

Other Thoughts: After doing my homework, I chose to purchase this one because it actually takes full advantage of USB 3.0's potential. Many other drives labelled 3.0 actually run as slow as 2.0 drives--or worse. I am very happy with my choice so far.

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

5 out of 5 eggsgreat flash drive

Pros: This flash drive is built very well and it's also very lightweight. 128GB storage capacity is awesome and it's very fast at USB 3.0 speeds. Durable construction with no need to worry about losing the cap for the connector since it's retractable and requires no cap like most.

Cons: I'm a little bothered by the price! This flash drive is a little on the fat side and I have had issues using it on certain devices with low clearance such as a remote USB connection on my machine at work that I use for backups. Any device built like a PS4 will have issues using this without an extension cable. USB 3.0 devices are still a bit limited so the cost isn't quite justified in my opinion.

Other Thoughts: I've been very happy with this flash drive and have had zero problems with its functionality aside from occasionally not being able to insert it due to its large body but this is remedied by using a USB extension cable. The drive works with my smart TV and with my router like it's supposed to. Built very sturdy as I carried it in my pocket full of keys and change for most of a month and its only suffered minor scratches. I've also dropped it and upon trying to catch it actually flung it into the concrete floor at work accidentally while I watched in horror as it bounced. To my surprise it came out unscathed and remains fully functional.

I'm giving it 5 eggs because it's proved very sturdy and fast with plenty of storage. The price is out in the open and as with any new tech you always have to pay a premium for it when it's new. I've never had a problem with a SanDisk drive and I have some very old ones.

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

5 out of 5 eggsGreat Speed and Well Built

Pros: Right when I pulled this out of the packaging I noticed it was well built. The casing is strong and the sliding mechanism is well done as well.

The standout spec on this though is the speed. I was able to achieve the advertised speeds with ATTO Disk. In real world it was good too. Using music and pictures it averaged the following:
Read: ~150MB/s
Write: ~ 95MB/s

AS SSD:
Seq Read: 230MB/s
Seq Write: 211MB/s
4k Read: 8MB/s
4k Write: 10MB/s

Cons: Main con of this is the price but that could come down and it isn't a ridiculous price so I'm not dropping an egg.

It does get warm when heavily used.

Other Thoughts: Some will like that there is encryption software included and others will call it bloatware. It's not bad software so I'm not going to call this a pro or a con.

I say this makes the most sense for someone who works with large files at the office and at home or on the road.

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

  • dan s.
  • 3/15/2014 11:06:33 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

5 out of 5 eggsWhoa!

Pros: Buy a fire extinguisher with this flash drive, not because it gets hot, but because its smoking fast. I bought a pny 128 turbo usb3 first and this sandisk runs circles around it. If you are looking for a bootable thumb drive, look no further. This is the one to get.

Cons: none yet. still very new, but I am impressed so far.

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

5 out of 5 eggsAmazing performance on a stick

Pros: Yes, this is an expensive product, but it has little competition. SanDisk is in fact the only manufacturer to market 128GB microSD cards, and that's really the only comparison product performance-wise.

The speed on this flash drive is impressive. Tested in CrystalDiskMark, the drive had the following speeds:

Sequential Read: 252.2 MB/s
Sequential Write: 223.3 MB/s

That matches the speed of the very fastest SATA2 solid-state drives, but is about half the speed of the fastest SATA3 drives. Still, impressive for the size.

In a real-world test involving reading and writing JPEGs, the drive was still fairly fast:

Read: 169 MB/s
Write: 84.7 MB/s

These are numbers at least at the level of what a very fast USB 3.0 hard drive can achieve, but aren't quite up to a good SSD. Keeping in mind that this drive will fit in your pocket (though maybe not on your keychain), the performance is a huge selling point.

Cons: The price per gigabyte is a bit more than SSDs, but that's the premium for getting this much speed onto a stick. If you're just using this as storage for files that won't be accessed regularly, the performance isn't a strong selling point. You can get 128GB thumb drives for about 1/4 the price that will obviously hold just as much data.

Other Thoughts: I thought the included vault software was very easy to use and a nice bonus. Considering that you can fit a lot of data on this drive, perhaps all of your personal files, it's nice to have the option to password encrypt it just in case.

3 out of 3 people found this review helpful. Did you? Yes No

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