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G.Skill FM-25S2S-64GB SATA-II MLC SSD E-mail
Reviews - Featured Reviews: Storage
Written by Olin Coles   
Tuesday, 16 December 2008
Table of Contents: Page Index
First Look: G.Skill MLC SSD
SSD Testing Methodology
System Speed Test Benchmarks
HD Tach RW Benchmarks
ATTO Disk Benchmarks
PCMark05 Benchmarks
Windows XP Startup Times
The Truth Behind Heat Output
Solid State Drive Final Thoughts
FM-25S2S-64GB Conclusion

FM-25S2S-64GB Conclusion

EDITORS NOTE: Please read Solid State Drive (SSD) Benchmark Performance Testing to understand how the benchmarks used in this article should be interpreted.

Solid State Drives are a lot like Spark Plugs: you see them just long enought to install, and then they're forgotten. So it's impressive that G.Skill takes the packaging seriously, and offer both function (by way of printed specifications) and fashion (with exciting accents). Finding product packaging with printed specifications is challenging, especially considering how much firmware can change the numbers. Nevertheless, consumers will at least have something to help them with a compare products while the decide on a purchase.

Dispite the irrelevance of appearance on an internally installed SSD, the G.Skill FM-25S2S-64GB actually looks top-notch. Most manufacturers, G.Skill included, don't want to waste production costs on milled aluminum enclosures that never see the light of day once installed into a notebook computer. Instead, G.Skill uses an attractive black metal enclosure with red-accented labels to dress up the unit.


Construction is probably the strongest feature credited to the entire SSD product line, and the G.Skill SSD is no exception. Solid State Drives are by nature immune to most abuses, but add to this a hard metal shell and you have to wonder what it would take to make this drive fail. If a G.Skill SSD product does fail during the 2-year warranty period, the end-user must complete an RMA form and wait for a returns authorization number before shipping the item back at their own expense. Unfortunately, there's no toll-free for support or customer service questions.

Based on the collection of benchmark tests we conducted, the G.Skill SATA-II MLC SSD earned a position near the top of our performance charts. As of this writing the value-priced FM-25S2S-64GB model occupies the #3 position behind two of the most expensive Solid State Drives available, but also shares the position with another product. With a maximum read speed of 124 MBps and write at 89 MBps, the bandwidth available is enough to outpace the fastest Hard Disk Drives; but the additional benefit of an immediate response time makes all the difference in performance.

At a very-reasonable cost of $2.17 per gigabyte of SSD storage space (at the time of this writing), this 64GB G.Skill Solid State Drive can be purchased from NewEgg for as little as $139. If 64GB just isn't big enough for your tastes, NewEgg also offers the 128GB version for $255. Bargain shoppers should use our Price Comparison Tool to find the best deals.

In conclusion, the G.Skill FM-25S2S-64GB SATA-II SSD has really impressed me with a rare combination of phenomenal performance and incredibly affordable pricing. This MLC Solid State Drive produced a swift 0.19 ms response time roughly 45x faster than Western Digital's Raptor HDD. The write-to performance was actually about the same, while read-from performance was nearly 60% faster; which means less wait time for impatient super-users like myself. With so many choices available now, shopping for SSD's can be tricky. Don't let it be; my suggestion is to trust the G.Skill FM-25S2S series to impress you.

Pros:Benchmark Reviews Golden Tachometer Award

+ Impressive 124 MBps read and 89 write bandwidth
+ USB 2.0 Mini-B data connection
+ Low power consumption may extend battery life
+ Lightweight compact storage solution
+ Resistant to extreme shock impact
+ Up to 128GB of SSD capacity
+ 2-Year G.Skill product warranty
+ Very low 0.19ms random access time
+ Only $2.17 per gigabyte of SSD storage


- Metal case is heavier and less durable than plastic
- Less than impressive RMA process
- No customer service or support telephone numbers


  • Presentation: 9.00
  • Appearance: 9.25
  • Construction: 9.75
  • Functionality: 9.50
  • Value: 9.00

Final Score: 9.3 out of 10.

Excellence Achievement: Benchmark Reviews Golden Tachometer Award.

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