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SYBA SY-PEX40039 SATA III (6.0Gb/s) PCI-e 2.0 x1 Card
  • neweggOwned For: 1 day to 1 week

5 out of 5 eggs Great card, but will be slower than expected. 09/22/2014

This review is from: SYBA SY-PEX40039 SATA III (6.0Gb/s) PCI-e 2.0 x1 Card

Pros: Reliable, with ASMedia chip.

Cons: SATA III speed not likely supported in PCI-e 2.0 slot due to the limitations of PCI-e 2.0. Remember, any specification"s advertised speed with be about 20% lower due to overhead bits. An onboard SATA II (300 MB/s) will therefore run about 250 MB/s max. Though PCIe 2.0 advertises 500 MB/s, each direction (read & write) only runs @ 250 MB/s; read speeds will actually be reduced an additonal 20%, to about 190 MB/s, and writes (which are always a little slower) to about 150 MB/s.

It is not surprising than that many reviewers think they are "upgrading" from onboard SATA II to a PCI-e SATA III card, but find that their SSD speeds are actually slower.

Other Thoughts: Admittedly, there is a bit of false promise made in the advertising. It's not the fault of your motherboard, this card, the manufacturer or NewEgg. The slower bandwidth is just the cost of doing business in the computer world!

SAPPHIRE Radeon HD 6450 1GB 64-bit DDR3 PCI Express 2.1 x16 HDCP Ready  Video Card ( 100322L)
  • Verified Owner
  • neweggOwned For: 1 month to 1 year

Pros: Stable, cool, quiet. Great driver support. Reliable.

Cons: Does not support much older, 4-prong, DVI cables.

Cooler Master NotePal A200 - Ultra Slim Laptop Cooling Pad with Dual 140 mm Fans and Aluminum Surface
  • Verified Owner
  • neweggOwned For: 1 month to 1 year

Pros: Powerful yet quiet. Adjustable. USB ports.

Cons: None. I've used many other coolers on the market and this one is by far the best.


Douglas R.'s Profile

Display Name: Douglas R.

Date Joined: 07/14/06

  • Reviews: 7
  • Helpfulness: 5
  • First Review: 01/14/10
  • Last Review: 09/22/14
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